Analysis
- max time kernel
61s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
26/01/2023, 16:17
General
- Target file.exe
- Size 1.8MB
- Sample230126-trd5caec93
- SHA256 1e2a0b1e41555f0855e803de4c338683bfe4f7a5cfa5c98f317ca0c81e4540f2
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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Kills process with taskkill 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 15 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-ME5DE.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-ME5DE.tmp\file.tmp" /SL5="$D01EE,1628278,135168,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)\FgbsoftFR\FinalRecovery\finalrecovery.exe"C:\Program Files (x86)\FgbsoftFR\FinalRecovery\finalrecovery.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\{d6dc608d-2a27-11ed-a0e3-806e6f6e6963}\lQ26SB2l9Px.exe4⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "finalrecovery.exe" /f & erase "C:\Program Files (x86)\FgbsoftFR\FinalRecovery\finalrecovery.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\taskkill.exetaskkill /im "finalrecovery.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
finalrecovery.exe
finalrecovery.exe
file.tmp
file.tmp
_iscrypt.dll
lQ26SB2l9Px.exe
lQ26SB2l9Px.exe
memory/3248-150-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3248-137-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3248-132-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3248-155-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3680-142-0x0000000000400000-0x0000000001348000-memory.dmp
memory/3680-143-0x0000000000400000-0x0000000001348000-memory.dmp
memory/3680-147-0x0000000010000000-0x000000001001B000-memory.dmp
memory/3680-151-0x0000000000400000-0x0000000001348000-memory.dmp
memory/3680-154-0x0000000000400000-0x0000000001348000-memory.dmp