Analysis
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max time kernel
200s -
max time network
232s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-05-2022 06:21
Static task
static1
Behavioral task
behavioral1
Sample
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe
Resource
win10v2004-20220414-en
General
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Target
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe
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Size
218KB
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MD5
01234f83e249a01fbfab92904f81baa7
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SHA1
3936f61c42775c4b2f872b4827d04225da1bb10c
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SHA256
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb
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SHA512
70b46671d4c98c12f1545bd22bd943ffd7d8c3651533203172128e598edd2ea425cee8d14024099cb706069db21ff0cc7e37aa48838005c1875c1104415f56ad
Malware Config
Signatures
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OnlyLogger
A tiny loader that uses IPLogger to get its payload.
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OnlyLogger Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/5048-131-0x0000000001070000-0x00000000010B6000-memory.dmp family_onlylogger behavioral2/memory/5048-132-0x0000000000400000-0x0000000000F94000-memory.dmp family_onlylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 7 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target Process procid_target 5112 5048 WerFault.exe 79 5024 5048 WerFault.exe 79 224 5048 WerFault.exe 79 1088 5048 WerFault.exe 79 4424 5048 WerFault.exe 79 4900 5048 WerFault.exe 79 4368 5048 WerFault.exe 79 -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 3752 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 3752 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.execmd.exedescription pid Process procid_target PID 5048 wrote to memory of 5068 5048 a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe 104 PID 5048 wrote to memory of 5068 5048 a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe 104 PID 5048 wrote to memory of 5068 5048 a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe 104 PID 5068 wrote to memory of 3752 5068 cmd.exe 103 PID 5068 wrote to memory of 3752 5068 cmd.exe 103 PID 5068 wrote to memory of 3752 5068 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe"C:\Users\Admin\AppData\Local\Temp\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 6282⤵
- Program crash
PID:5112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 6362⤵
- Program crash
PID:5024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 7322⤵
- Program crash
PID:224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 8322⤵
- Program crash
PID:1088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 11842⤵
- Program crash
PID:4424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 12442⤵
- Program crash
PID:4900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 13922⤵
- Program crash
PID:4368
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:5068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5048 -ip 50481⤵PID:4616
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5048 -ip 50481⤵PID:4396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5048 -ip 50481⤵PID:340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5048 -ip 50481⤵PID:4888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5048 -ip 50481⤵PID:4408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 5048 -ip 50481⤵PID:1884
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 5048 -ip 50481⤵PID:2724
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" /f1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3752