Analysis
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max time kernel
37s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-04-2022 04:23
Static task
static1
Behavioral task
behavioral1
Sample
814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe
Resource
win10v2004-20220414-en
General
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Target
814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe
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Size
376KB
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MD5
b159b0ad1bf4638eef29031b66dfdfe9
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SHA1
e81d45d019c20e3d256844f1b234350e5e4a7855
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SHA256
814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b
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SHA512
41351db0bd767270b40a83ab4c32910eac4d9192edeca0b2c460439228f6325296f70dfcacb8d776ce1456d0549cc19227eba4c6bb22d53cfa964a3989d4f7d5
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
resource yara_rule behavioral1/memory/1280-56-0x0000000000220000-0x0000000000266000-memory.dmp family_onlylogger behavioral1/memory/1280-57-0x0000000000400000-0x0000000000519000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
pid Process 668 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
pid Process 1468 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1468 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1280 wrote to memory of 668 1280 814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe 27 PID 1280 wrote to memory of 668 1280 814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe 27 PID 1280 wrote to memory of 668 1280 814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe 27 PID 1280 wrote to memory of 668 1280 814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe 27 PID 668 wrote to memory of 1468 668 cmd.exe 29 PID 668 wrote to memory of 1468 668 cmd.exe 29 PID 668 wrote to memory of 1468 668 cmd.exe 29 PID 668 wrote to memory of 1468 668 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe"C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:668 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "814081a9bfb3231b1c007488e7fb6c720586483f35330742bf3049e90398b85b.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1468
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