Rewterz Threat Alert – LokiBot Malware – Active IOCs
June 14, 2022Rewterz Threat Alert – REvil Ransomware – Active IOCs
June 14, 2022Rewterz Threat Alert – LokiBot Malware – Active IOCs
June 14, 2022Rewterz Threat Alert – REvil Ransomware – Active IOCs
June 14, 2022Severity
Medium
Analysis Summary
NjRat is a Remote Access Trojan, which is found leveraging Pastebin to deliver a second-stage payload after initial infection. There are multiple versions of the secondary payload used, ranging from base64 encoded version, hexadecimal, JSON data format, compressed blobs, and also plain text data with malicious URLs embedded within. This is done in order to evade detection by security products and increase the possibility of operating unnoticed. njRat is developed in .NET framework and is able to hijack the functions of a compromised machine remotely, including taking screenshots, exfiltrating data, keylogging, and killing processes such as antivirus programs, while also connecting the machine to a botnet. RAT was also found abusing Windows API functions such as Windows API calls such as GetKeyboardState(), GetAsynckeyState(), MapVirtualKey() for keylogging, and data theft. It was also discovered downloading web scraping tools such as “proxy scrapper” in order to extract large amounts of data via proxies
Impact
- Unauthorized Access
Indicators of Compromise
MD5
- 5bced19ca35e50f7a60ca7203dce094e
- f0a251b88415552e65365cb22552c90b
- a0206c088475dfd1f4704cd44f06c36f
- 69752a64859ba01b448046619bf60400
- 6573f6ac0c9b2b0aea3459c351b815d0
SHA-256
- b939033df88adb57f35c2cdd56fbc0cc3d63061d0c93f388f5460e2029620db1
- 0c06556cf1cb738640054ccb25d9a3ca0ad9f107b902dc18b422ab669b8737e3
- a6a5d9c990f65662ccf6888c02135c6f4e267ccd0fb1e5abbbf97fa0795bf54e
- e218e56ebb5c3ad686178589e1dd6fbc7081eda1b14a16419708f8c5ef04dbc1
- 093c1e5d8c277608bc9e25691c48ddd7e4e48b7696150a097537df17c7d291ee
SHA-1
- 89a322895f1660caf7b3fc5ad0efda103af4012e
- 4ee9d76e8602ea407989c4d1ce735ea8c54ad655
- caf554c3f8b74be701cda27d1ef472861a0e8955
- 1923f5158a8f2234d21942982e4ba9a2aa25c62d
- f302ba97e0892c158ec9486d11a7f155b4b572ea
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.