Analysis
- max time kernel
138s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
24/06/2024, 01:05
General
- Target a78081c497179c524a4903de3688df255b495c01844c03a465398ed6b5129cd8.exe
- Size 331KB
- Sample240624-bfl2pssbla
- SHA256 a78081c497179c524a4903de3688df255b495c01844c03a465398ed6b5129cd8
Malware Config
Extracted
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gcleaner
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185.172.128.90
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5.42.64.56
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185.172.128.69
Signatures
- GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Kills process with taskkill 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a78081c497179c524a4903de3688df255b495c01844c03a465398ed6b5129cd8.exe"C:\Users\Admin\AppData\Local\Temp\a78081c497179c524a4903de3688df255b495c01844c03a465398ed6b5129cd8.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "a78081c497179c524a4903de3688df255b495c01844c03a465398ed6b5129cd8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a78081c497179c524a4903de3688df255b495c01844c03a465398ed6b5129cd8.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "a78081c497179c524a4903de3688df255b495c01844c03a465398ed6b5129cd8.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
advdlc[1].htm
memory/3144-1-0x00000000007D0000-0x00000000008D0000-memory.dmp
memory/3144-2-0x00000000005B0000-0x00000000005EC000-memory.dmp
memory/3144-3-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3144-8-0x0000000010000000-0x000000001001C000-memory.dmp
memory/3144-14-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3144-22-0x00000000007D0000-0x00000000008D0000-memory.dmp
memory/3144-23-0x00000000005B0000-0x00000000005EC000-memory.dmp
memory/3144-25-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3144-35-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3144-34-0x0000000000400000-0x000000000045E000-memory.dmp