Analysis
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max time kernel
147s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2022 11:55
Behavioral task
behavioral1
Sample
37591b957e8d12af6cacf989bc62649a.exe
Resource
win7-20220812-en
General
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Target
37591b957e8d12af6cacf989bc62649a.exe
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Size
1.1MB
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MD5
37591b957e8d12af6cacf989bc62649a
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SHA1
411cee49999b094d1ebd6c81342e11a57389eb94
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SHA256
135e3c344b74bed9c18fdb9749a9bff77e7925501d33acec9fbe49495cb56b8d
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SHA512
fe5d422bd3a20d662a2deaaad9ef94a8a218f620ae444276fad340d894acadbd5bdd0d761bd20851c433ab8278ee45874c6ed0bed3cb83123e732aed60bb86ba
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SSDEEP
24576:ENCeqFPo//wnZJ4EZw2/jxTjUDnAmTtP3G9o:vm/mJ/jaDnFvG
Malware Config
Extracted
allcome
http://dba692117be7b6d3480fe5220fdd58b38bf.xyz/API/2/configure.php?cf6zrlhn=finarnw
D5c27bWU8dvgdayPUMzKbc75CmsD9aUSDw
r4RkKWPKszhkZVTtXGBDNyrzcDPjpcnGNp
0xC4b495c6ef4B61d5757a1e78dE22edC315867C84
XshLZA5C9odmaiEfopX5DYvwMbnM4hqCME
TT7mceJ6BNhTPFqpaBy1ND1CWGwaGeqhpx
t1MrxfTEGEZioK7qjcDd48KVC5BMk7ccH8B
GCM62OODIUXHYPTVUZT2W4GKPIO7YMLZDNPR4NGUWLBU7KPOU7Q7E44X
48Zvk6W9kfXik8CEscQYjEZdDCVZtXNEGdjczTR4XD9SKfLWkirntGLR7UyhD7aas3C2N3QefcdB4gyLZt93CrmtP5WAeqJ
qz448vxrv9y6lsy0l4y6x98gylykleumxqnqs7fkn6
1AvqxpSfuNooDv2gn8rFNXiWP64bn7m8xa
0x7374d06666974119Fb6C8c1F10D4Ab7eCB724Fcd
LKcXMo6X6jGyk9o9phn4YvYUQ8QVR4wJgo
ronin:bb375c985bc63d448b3bc14cda06b2866f75e342
+79889916188
+79889916188
+79889916188
MJfnNkoXewo8QB5iu9dee2exwdavDxWRLC
ltc1q309prv3k8lc9gqd062eevjvxmkgyv00xe3m6jg
3Gs18Dq8SNrs3kLQdrpUFHa2yX8uD9ZXR7
bc1qhcynpwvj6lvdh393ph8tesk0mljsc6z3y40h2m
89PjhdrngYjeSa8dFeg6q8Sz4BXdrLLP8H8z82eUhTNjPBpTYkr3o6fWnkqng9D5TRaPT4HafXwUTJqcPE8SsbHUK5PM2Qx
Signatures
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Executes dropped EXE 1 IoCs
pid Process 980 MoUSO.exe -
resource yara_rule behavioral2/memory/1596-132-0x0000000000A30000-0x0000000000BFA000-memory.dmp vmprotect behavioral2/files/0x0003000000000731-146.dat vmprotect behavioral2/files/0x0003000000000731-147.dat vmprotect behavioral2/memory/980-148-0x00000000004D0000-0x000000000069A000-memory.dmp vmprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 37591b957e8d12af6cacf989bc62649a.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1596 set thread context of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4612 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1596 37591b957e8d12af6cacf989bc62649a.exe 1596 37591b957e8d12af6cacf989bc62649a.exe 1596 37591b957e8d12af6cacf989bc62649a.exe 980 MoUSO.exe 980 MoUSO.exe 980 MoUSO.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1596 37591b957e8d12af6cacf989bc62649a.exe Token: SeDebugPrivilege 980 MoUSO.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 1596 wrote to memory of 2400 1596 37591b957e8d12af6cacf989bc62649a.exe 91 PID 2400 wrote to memory of 4612 2400 37591b957e8d12af6cacf989bc62649a.exe 92 PID 2400 wrote to memory of 4612 2400 37591b957e8d12af6cacf989bc62649a.exe 92 PID 2400 wrote to memory of 4612 2400 37591b957e8d12af6cacf989bc62649a.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\37591b957e8d12af6cacf989bc62649a.exe"C:\Users\Admin\AppData\Local\Temp\37591b957e8d12af6cacf989bc62649a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Users\Admin\AppData\Local\Temp\37591b957e8d12af6cacf989bc62649a.exe"C:\Users\Admin\AppData\Local\Temp\37591b957e8d12af6cacf989bc62649a.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN Cache-S-21-2946144819-3e21f723 /TR "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"3⤵
- Creates scheduled task(s)
PID:4612
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C:\Users\Admin\AppData\Local\cache\MoUSO.exeC:\Users\Admin\AppData\Local\cache\MoUSO.exe1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:980
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
1.1MB
MD537591b957e8d12af6cacf989bc62649a
SHA1411cee49999b094d1ebd6c81342e11a57389eb94
SHA256135e3c344b74bed9c18fdb9749a9bff77e7925501d33acec9fbe49495cb56b8d
SHA512fe5d422bd3a20d662a2deaaad9ef94a8a218f620ae444276fad340d894acadbd5bdd0d761bd20851c433ab8278ee45874c6ed0bed3cb83123e732aed60bb86ba
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Filesize
1.1MB
MD537591b957e8d12af6cacf989bc62649a
SHA1411cee49999b094d1ebd6c81342e11a57389eb94
SHA256135e3c344b74bed9c18fdb9749a9bff77e7925501d33acec9fbe49495cb56b8d
SHA512fe5d422bd3a20d662a2deaaad9ef94a8a218f620ae444276fad340d894acadbd5bdd0d761bd20851c433ab8278ee45874c6ed0bed3cb83123e732aed60bb86ba