Analysis
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max time kernel
183s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2024 02:33
Static task
static1
Behavioral task
behavioral1
Sample
7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe
Resource
win10v2004-20240226-en
General
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Target
7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe
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Size
8.8MB
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MD5
2335a750096cb245737b423794866a82
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SHA1
29c676cf08535b01889a94bd181bc22f5d70459e
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SHA256
7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d
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SHA512
6f43936fb086c9e2da62fe29f76f4206bf33e17fd8d853371808873dfe536f8c0978c4db3e79f55f533c11cbeaba65f9841b5175e8d3a1d32c98f6d0c20fc7f9
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SSDEEP
196608:lDDbq7CsUmsR1V085lc6oLMmoOHImE459rmO3fXNDcfMvXi:lDDO7C31R1Vp36xzzjDaO3fW0vy
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp -
Executes dropped EXE 1 IoCs
Processes:
7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmppid process 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp -
Loads dropped DLL 1 IoCs
Processes:
7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmppid process 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 2296 taskkill.exe 2108 taskkill.exe 4496 taskkill.exe 3000 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exedescription pid process Token: SeDebugPrivilege 4496 taskkill.exe Token: SeDebugPrivilege 3000 taskkill.exe Token: SeDebugPrivilege 2296 taskkill.exe Token: SeDebugPrivilege 2108 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmpdescription pid process target process PID 4988 wrote to memory of 992 4988 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp PID 4988 wrote to memory of 992 4988 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp PID 4988 wrote to memory of 992 4988 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp PID 992 wrote to memory of 4496 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 4496 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 4496 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 3000 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 3000 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 3000 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 2296 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 2296 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 2296 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 2108 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 2108 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe PID 992 wrote to memory of 2108 992 7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe"C:\Users\Admin\AppData\Local\Temp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Users\Admin\AppData\Local\Temp\is-57EHJ.tmp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp"C:\Users\Admin\AppData\Local\Temp\is-57EHJ.tmp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp" /SL5="$70222,8637066,199680,C:\Users\Admin\AppData\Local\Temp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Windows\SysWOW64\taskkill.exe"C:\Windows\System32\taskkill.exe" /f /im "ADU.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4496 -
C:\Windows\SysWOW64\taskkill.exe"C:\Windows\System32\taskkill.exe" /f /im "ADU.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3000 -
C:\Windows\SysWOW64\taskkill.exe"C:\Windows\System32\taskkill.exe" /f /im "ADU.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2296 -
C:\Windows\SysWOW64\taskkill.exe"C:\Windows\System32\taskkill.exe" /f /im "adunotifier.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2108
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-57EHJ.tmp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp
Filesize1.2MB
MD5cd31650b1825f94d40916975931def27
SHA1797184e1856305b590ea138f6fa4139499c1f60b
SHA25604449628d1ca801282bc98f975fee8e6bab850a6bcf23afc5a4d925dcaffc38f
SHA51213d5bcfd76286791ca170c456cea57ffbce3729ae2ecd5c5a86bcc2defb84fca2b1dfeef02cfeef1a7f4f06d9e978c08a1e0eee25290f509d79fa8ac34c3964e
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Filesize
152KB
MD582201cd8f401f00000b7575b24b3ad0b
SHA1fa3659e48990f2ab24f8e1bf9bb650f11641ffe0
SHA2569d64a934a4a12c61a33342151e674100e1ec0074d106612b1e81244234d93d67
SHA512a491696e66c64e751712c028f42cb4067339c7d2b231e7a889f006291c10bc74d6597f1a52270b979b9a63351d1e42cdf302f05cc6840c54551657bd0737ffc4
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Filesize
10B
MD5d4ba7402ee0b59cbb64b46145f616e89
SHA1e14bc513b5dc75deb3f4e65205811bf19b9bc5ab
SHA2567258c316645790abb6f8d8953be2a28eeab6b932edb658d34c6a79e27f6d7d10
SHA5124a0c03500c0690c0262c84a4c9977332cdd1e24e4424589fbec4a528567ed4bc91d5ed9bf457566da061155d3dc29b4191665322c02aca9f0dbd706e876b099d
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Filesize
950B
MD5caf32298001381bb9696645f4db64caa
SHA1d0e50b705ba2c619dd2f202aa7f8f47e74cf2650
SHA25681a16e7543fca64fb42230575baeca38a0d6f28b5a957c24b37961a90782d13d
SHA5123ff840f490f9ad637e427685420ed29591eba2c87cb01a7d4030f684bd93f999d9981c34289f95709138f3d75bb92e30e6560593c849e34acc684b1ac3820589