Rewterz Threat Alert – Active Phishing Campaign Targeting Google
June 10, 2021Rewterz Threat Advisory – Multiple Google Chrome Vulnerabilities
June 10, 2021Rewterz Threat Alert – Active Phishing Campaign Targeting Google
June 10, 2021Rewterz Threat Advisory – Multiple Google Chrome Vulnerabilities
June 10, 2021Severity
Medium
Analysis Summary
The NanoCore remote access Trojan (RAT) was first discovered in 2013 when it was being sold in underground forums. The malware has a variety of functions such as a keylogger, a password stealer which can remotely pass along data to the malware operator. It also has the ability to tamper and view footage from webcams, screen locking, downloading and theft of files, and more.The current NanoCore RAT is now being spread through malspam campaign which utilizes social engineering in which the email contains a fake bank payment receipt and request for quotation. The emails also contain malicious attachments with .img or .iso extension. The .img and .iso files are used by disk image files to store raw dumps of either magnetic disk or optical disc. Another version of NanoCore is also distributed in phishing campaigns leveraging specially-crafted ZIP file which is designed to bypass secure email gateways. The malicious ZIP file can be extracted by certain versions of PowerArchiver, WinRar, and older 7-Zip. The stolen information is sent to the command and control (C&C) servers of the malware attacker.
This RAT gathers the following data and sends it to its servers:
- Browser’s user names and passwords
- File Transfer Protocol (FTP) clients or file manager software stored account information
- Email credentials of popular mail clients
Impact
- Credential Theft
- Unauthorized Access
- Theft of Sensitive Information
Indicators of Compromise
MD5
- c89c05d0f2853fa30b535aa2544006e5
- ea153fc5dbc16bcb6987db3d8ad0e965
- 02430d34be900990fbf6a7efe35a7c64
- 372a0f073e924d0411a1fb660840a4cb
- b7fece0a9529306a2644ce102fe2d86a
- 845d5dc8393bf7652f744e7fa7dfb3c3
SHA-256
- a393f6022ed56caf64a0865d97006c38620212d769ce5ea8b924683b700a1754
- b2ec2e506bc9741873e39cc6fdc07802a1180136657582ae807d5f6112cfc02a
- 8a6a233b22f5c0c2a2f69d9f5250796993d350373ab030558d4912e0b2c7a884
- d80e9e5051effc66857ff8b6dd8acc89043ef8d5e1cac5864da21b96aab53c4e
- e7338ddd51f1164dd1d8eaaaa577aff2d4ceed3e7e878977ed7810ee7fd272bb
- 25ebd16688d06225015f798e1ed5801a7df0d12e9587a5b4421c3b7563514189
- 80ca460c629559cf38e1244983877ed9c041c636c1f2e7e388ae2f9ba4d06788
- e441c2f354d1d3aa8da9e3b2cb2737c95905b88df668c2f9d111c9a4d2025e52
- da4a09868c322c15d6042f046b60e1fc57d96a1ad055df1cd79c114b1849c3a3
- eacbbd33fffd20262db15eb1844eda88c36b74111d4e9aee14f5ac6d9571d8b8
- 08d59d3df6bb432eb397e6fdc2900b8180bb9f6877d7a9875526abe2ec9e2f3c
- babc65e527c875dbdd52604ef5ff4d2549958aaa59807a513d9008734754198c
- f9284667090735eccb6110c4c9e33122890570b6f10798ef57370740c4d9db6d
- 5bc0b7b765a4ba88635ed78fb9ef64da054f77b354f5b6a0c9370af18ef83694
- ec850202f17a8e7f5a04603e9c70ab21d7b39fb3142a79098aef1d592974702e
- 975b377f5bfecd9542b801dda6831bd44ccff88f8c804d3ff42b2161c07a8075
- 93fb74b9c257ef909456fb14bde732be75c99b21f66c6cd31bd5ae51614f8b4e
- 9496a59c37ba72fc44ee6217e7d289a1d022bc8ecde5197e5b5185d8051f79b3
- 1a9fd6e8ecd5db86fa9aaf2350a49592499d2c25cd0c770817fd87db365e68b5
- 3aa4556bd929b55c5a51ea8cd76865fd4e27b880ec483aa8a94582071cdef24d
- 79075c30bbdb1408dc286ccbf49f38e510d17811d15416b833b74829978d6579
- 4750ac37882af0c03a0bdad6faa7e2ef686f453ba84c993e975c5ebc59cc4c0f
- 4ff23f74be21a8679b61ffe38b08138571061adc93af3dafde0bbd7796f00eac
- a055d15b0c016003feef850630ae264447e960b36e5af3af59795c31c9f0a688
SHA1
- 2e3a6adc296d26732a3c61ac761052b8793f7da0
- a0a0e9b0c8fe4c1ced411ff302871a5d71885fc0
- 00b40170c46ae026cf518588d5b6177538bb1036
- 4d7784beff50b79d456d7d18eeddf8fbaf66afb9
- 767fcf70a98dd70d9035dfe4fcca04e17cdebfde
- f83096a377039cfdbcfb930a98fd1b78691c4456
URL
- https[:]//confucanism[.]hopto[.]org/new[.]exe
- https[:]//198[.]12[.]127[.]155/new[.]exe
- http[:]//aayushsurrogacyindia[.]com/logs/svchoster[.]exe
- http[:]//198[.]12[.]127[.]155/new[.]exe
- http[:]//carbinz[.]gq/modex/catx[.]exe
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment