Analysis
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max time kernel
38s -
max time network
68s -
platform
windows7_x64 -
resource
win7-20220414-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 behavioral1/memory/2024-56-0x0000000000250000-0x0000000000296000-memory.dmp family_onlylogger behavioral1/memory/2024-57-0x0000000000400000-0x0000000000C4B000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1532 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 112 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 112 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.execmd.exedescription pid Process procid_target PID 2024 wrote to memory of 1532 2024 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe 28 PID 2024 wrote to memory of 1532 2024 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe 28 PID 2024 wrote to memory of 1532 2024 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe 28 PID 2024 wrote to memory of 1532 2024 8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe 28 PID 1532 wrote to memory of 112 1532 cmd.exe 30 PID 1532 wrote to memory of 112 1532 cmd.exe 30 PID 1532 wrote to memory of 112 1532 cmd.exe 30 PID 1532 wrote to memory of 112 1532 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe"C:\Users\Admin\AppData\Local\Temp\8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2024 -
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⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "8f7792066e0b1960954b27a2edd4e7a870e87875b6d746af69dad4567ae9f052.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:112
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