Analysis
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max time kernel
167s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-05-2022 06:21
Static task
static1
Behavioral task
behavioral1
Sample
8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe
Resource
win10v2004-20220414-en
General
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Target
8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe
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Size
442KB
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MD5
82be6306378a74bef5b66427f62fc8b1
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SHA1
eae8efe9e35bb561e1b368a55e90c39039834d01
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SHA256
8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052
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SHA512
74826e04813938e1f7105fd08bf4335e8740633f3e326d2ec2db853a60c0e49127f7695264babb4d2271c5d1a03c5fe0e54c6b7151ed6a0a3300ab38c0240f41
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/4612-131-0x0000000000EA0000-0x0000000000EE6000-memory.dmp family_onlylogger behavioral2/memory/4612-132-0x0000000000400000-0x0000000000C4B000-memory.dmp family_onlylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.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 3684 4612 WerFault.exe 80 2684 4612 WerFault.exe 80 428 4612 WerFault.exe 80 1308 4612 WerFault.exe 80 4076 4612 WerFault.exe 80 1316 4612 WerFault.exe 80 4036 4612 WerFault.exe 80 -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 3524 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 3524 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.execmd.exedescription pid Process procid_target PID 4612 wrote to memory of 996 4612 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe 105 PID 4612 wrote to memory of 996 4612 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe 105 PID 4612 wrote to memory of 996 4612 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe 105 PID 996 wrote to memory of 3524 996 cmd.exe 109 PID 996 wrote to memory of 3524 996 cmd.exe 109 PID 996 wrote to memory of 3524 996 cmd.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe"C:\Users\Admin\AppData\Local\Temp\8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 6122⤵
- Program crash
PID:3684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 5762⤵
- Program crash
PID:2684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 7442⤵
- Program crash
PID:428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 8082⤵
- Program crash
PID:1308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 10922⤵
- Program crash
PID:4076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 12402⤵
- Program crash
PID:1316
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 14122⤵
- Program crash
PID:4036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4612 -ip 46121⤵PID:4312
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4612 -ip 46121⤵PID:4176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4612 -ip 46121⤵PID:2444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4612 -ip 46121⤵PID:2292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4612 -ip 46121⤵PID:832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4612 -ip 46121⤵PID:3752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4612 -ip 46121⤵PID:3332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4612 -ip 46121⤵PID:1136