Analysis
- max time kernel
153s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
15/01/2023, 01:02
General
- Target file.exe
- Size 1.3MB
- Sample230115-bdsfpsbg61
- SHA256 d21b8d34bbdb3341f6a87cfc956062e91af6b712b5870e692a5e7eec30dada73
Malware Config
Extracted
-
gcleaner
-
45.139.105.171
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85.31.46.167
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107.182.129.235
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171.22.30.106
Signatures
- GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 17 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-2GR93.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-2GR93.tmp\file.tmp" /SL5="$90040,1104107,229888,C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Oit Files\OitFiles450.exe"C:\Program Files (x86)\Oit Files\OitFiles450.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\{6e1ce040-6208-11ed-b5ce-806e6f6e6963}\KMH019s.exe4⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
OitFiles450.exe
OitFiles450.exe
file.tmp
file.tmp
_iscrypt.dll
KMH019s.exe
KMH019s.exe
memory/1600-149-0x0000000000400000-0x00000000013E8000-memory.dmp
memory/1600-142-0x0000000000400000-0x00000000013E8000-memory.dmp
memory/1600-143-0x0000000000400000-0x00000000013E8000-memory.dmp
memory/1600-144-0x0000000000400000-0x00000000013E8000-memory.dmp
memory/1600-150-0x0000000010000000-0x000000001001B000-memory.dmp
memory/3388-132-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3388-148-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3388-137-0x0000000000400000-0x000000000043F000-memory.dmp