Analysis
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max time kernel
40s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
12-05-2022 12:00
Static task
static1
Behavioral task
behavioral1
Sample
3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe
Resource
win10v2004-20220414-en
General
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Target
3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe
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Size
231KB
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MD5
5cb1e75311bd45338d7c3daff1d841f2
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SHA1
460b6a6a4231419e241b6c82143cf763695d9116
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SHA256
3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8
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SHA512
96cdf98c78633319a3874f958a7c79944ecc9c6eb8e854df96503ebf645ecb391236f72312fa3bf61528997162c59b1ff5b5d3e9dc2949e2c5c7cc1954cce57d
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/784-57-0x0000000000220000-0x0000000000266000-memory.dmp family_onlylogger behavioral1/memory/784-58-0x0000000000400000-0x0000000000F97000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 340 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 1984 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 1984 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.execmd.exedescription pid Process procid_target PID 784 wrote to memory of 340 784 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe 27 PID 784 wrote to memory of 340 784 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe 27 PID 784 wrote to memory of 340 784 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe 27 PID 784 wrote to memory of 340 784 3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe 27 PID 340 wrote to memory of 1984 340 cmd.exe 29 PID 340 wrote to memory of 1984 340 cmd.exe 29 PID 340 wrote to memory of 1984 340 cmd.exe 29 PID 340 wrote to memory of 1984 340 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe"C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:340 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "3f70e988489df0e7eb8ff80460ad88e76464568113a451b8dd5bff16e39999c8.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1984
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