Analysis
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max time kernel
44s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
18-04-2022 12:01
Static task
static1
Behavioral task
behavioral1
Sample
fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe
Resource
win10v2004-20220414-en
General
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Target
fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe
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Size
236KB
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MD5
19fd3e358ed31e6f007306810bbc8642
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SHA1
c13ecc929531524e39675bae83d521694d810c38
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SHA256
fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e
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SHA512
017900aebeee65f4dca5bdbf5fa711d68f474fa0e6ae632ecd4dba695b1f8f2bda04f8fbfcece8b084b395ff0decb25706968d33b398c82205d53f0be41d3bdb
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/892-57-0x0000000000270000-0x00000000002B6000-memory.dmp family_onlylogger behavioral1/memory/892-58-0x0000000000400000-0x00000000004F6000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
pid Process 1976 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 1744 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1744 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 892 wrote to memory of 1976 892 fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe 27 PID 892 wrote to memory of 1976 892 fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe 27 PID 892 wrote to memory of 1976 892 fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe 27 PID 892 wrote to memory of 1976 892 fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe 27 PID 1976 wrote to memory of 1744 1976 cmd.exe 29 PID 1976 wrote to memory of 1744 1976 cmd.exe 29 PID 1976 wrote to memory of 1744 1976 cmd.exe 29 PID 1976 wrote to memory of 1744 1976 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe"C:\Users\Admin\AppData\Local\Temp\fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "fdd375602e7d7b5cd501c0341ba41be71864e6cbda9e36640f98d3130ca8e79e.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1744
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