Analysis
- max time kernel
235s - max time network
243s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
18/01/2023, 21:36
General
- Target file.exe
- Size 1.9MB
- Sample230118-1fy4psae33
- SHA256 b5cbe9192bccb991377ccd2786d6b0a71833e77c2d64ef386fc2c4858e2bb57f
Malware Config
Extracted
-
gcleaner
-
45.12.253.56
-
45.12.253.72
-
45.12.253.98
-
45.12.253.75
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 9 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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
-
C:\Users\Admin\AppData\Local\Temp\is-SI69F.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-SI69F.tmp\file.tmp" /SL5="$C0068,1736484,211456,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)\FetsoftFR\FinalRecovery\finalrecovery.exe"C:\Program Files (x86)\FetsoftFR\FinalRecovery\finalrecovery.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}\XSQqsHY726.exe4⤵
- Executes dropped EXE
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
finalrecovery.exe
finalrecovery.exe
_iscrypt.dll
file.tmp
file.tmp
XSQqsHY726.exe
XSQqsHY726.exe
memory/1696-138-0x0000000000400000-0x000000000043B000-memory.dmp
memory/1696-140-0x0000000000400000-0x000000000043B000-memory.dmp
memory/1696-133-0x0000000000400000-0x000000000043B000-memory.dmp
memory/3548-144-0x0000000000400000-0x00000000013CB000-memory.dmp
memory/3548-145-0x0000000000400000-0x00000000013CB000-memory.dmp
memory/3548-146-0x0000000000400000-0x00000000013CB000-memory.dmp
memory/3548-150-0x0000000000400000-0x00000000013CB000-memory.dmp
memory/3548-151-0x0000000010000000-0x000000001001B000-memory.dmp