Rewterz Threat Alert – Lazarus Mobile Malware turning devices into bots

Severity

High

Analysis Summary

Android malware that contains a backdoor file in the executable and linkable format (ELF). The ELF file is similar to several executables that have been reported to belong to the Lazarus cybercrime group. The malware poses as a legitimate APK, available from Google Play, for reading the Bible in Korean. The legit app has been installed more than 1,300 times. The malware has never appeared on Google Play.

Impact

Device acts like a bot

Indicators of Compromise

URLs

• http[:]//103[.]53[.]176[.]145[:]8080/ServiceDeskPlus/products[.]do
• http[:]//111[.]68[.]126[.]155[:]8080/ServiceDeskPlus/products[.]do
• http[:]//137[.]117[.]57[.]244[:]8080/ServiceDeskPlus/products[.]do
• http[:]//chanbang[.]co[.]kr/board/check[.]asp
• http[:]//chanbang[.]co[.]kr/family/check[.]asp
• http[:]//chanbang[.]co[.]kr/gonggu/upload[.]asp
• http[:]//difa[.]or[.]kr/common/asp/inc_Comn[.]asp
• http[:]//edenenc[.]co[.]kr/Report/RptMyReport[.]asp
• http[:]//egreenland[.]co[.]kr/cheditor2/example/newpost[.]asp
• http[:]//hanbook[.]co[.]kr/partnershop/hanmail_ep[.]asp
• http[:]//img[.]kindermom[.]co[.]kr/frameart/print/footer[.]mov
• http[:]//kgsa1015[.]co[.]kr/upload/member/member[.]asp
• http[:]//rodaxsankyokorea[.]com/upload/favicon/favicon[.]asp
• http[:]//www[.]kgsa1015[.]co[.]kr/upload/member/member[.]asp
• http[:]//www[.]sinokor-eng[.]com/sub/sub01_09[.]asp

Malware Hash (MD5/SHA1/SH256)

• 12518eaa24d405debd014863112a3c00a652f3416df27c424310520a8f55b2ec
• 1a9714fe84d62ae23b9eb439dbea6562e424e1c20f433a4f8338347bee2fd65e
• 20e6391cf3598a517467cfbc5d327a7bb1248313983cba2b56fd01f8e88bb6b9
• 21c7180c568bf115a0784629a8e5575103007f66ab2b964ab1d7f3290f5ab370
• 3fb44f4698168b53642c8a4a8ba32ee8
• 5621c89102d84f4a335218cb84a94852
• 59404af2d92c53ad1ee9e21b252c07c77dcba810b248a79d6ae989b1ff63c7d6
• 65c27af540d1a3f7b74db62e85adcdf9c686f70d1263e89a8d2545c6b7f49154
• 69ceb2c4770262e75cf7ef7f48c222dad63690e354809d528ad2a3de7a84f794
• 7ad49a8df0fb1b9238dc7e3ec7c1bc274ca8e29e154abf3a4acff15506423794
• 7c8d3ca5c540912590eec20b5a55dac979ccc55da9eefccbe65ee0e84122e93d
• 91f8c1f11227ee1d71f096fd97501c17a1361d71b81c3e16bcdabad52bfa5d9f
• 97bfb4528facc9bd1464d70744fa3f328e7269934d919b54c505ea8d461c7b4e
• 98435958d61012e842039a5d572908a52017e1367c4e1f61bf0812dcfbcac126
• 9deb8bb7c8a8eb012761a05a67aa2c72e1ef310c9395aaa3293869c5314676cf
• b6682cab65d3243b5b75efb7279dbf49491957484780f2ba0a87632cc0e25642
• b8b5d82eb25815dd3685630af9e9b0938bccecb3a89ce0ad94324b12d25983f0
• b9d9b2e39247744723f72f63888deb191eafa3ffa137a903a474eda5c0c335cf
• bfeef232cc83af4a3afd262bddc1b9fbb6e829ac1980461003ea551051808268
• e477c8195fcbb95e7764027a9fb4aabeae475879b809d2e542cfd84ca34c1b5c
• ecb6603a8cd1354c9be236a3c3e7bf498576ee71f7c5d0a810cb77e1138139ec
• fe92a44d726b43927f51418ce09ce9731c7a46a0dd6d9e4b46af34fdf99009ef

Remediation

• Always keep your mobile security application updated to the latest version.
• Never install applications from unverified sources.