Analysis
- max time kernel
149s - max time network
156s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
19/10/2021, 03:42
General
- Target siam.exe
- Size 252KB
- Sample211019-d9c21afbf4
- SHA256 b207cf6e0fe84692f4311e2768d913bae8005da5f7ed4cf1cee2459a6f62faa9
Malware Config
Extracted
-
xloader
-
2.5
-
w240
-
http://www.palisadesburgers.com/w240/
-
deathgummys.com
-
accentuable.info
-
logisticairpetrelocators.com
-
playdropmats.com
-
ewshop.club
-
bislists.com
-
pkkjoo.net
-
goldenkaktus.com
-
bigspiderproductions.com
-
funessences.com
-
gimpydogproductions.com
-
motivatedmarketinggroup.com
-
bjadd.com
-
2ux3ms.com
-
zafzi.com
-
oldmanemailplan.xyz
-
quotexlibya.com
-
mobco.store
-
stofferogbo.kim
-
akidsguidetotheworld.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\siam.exe"C:\Users\Admin\AppData\Local\Temp\siam.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\siam.exe"C:\Users\Admin\AppData\Local\Temp\siam.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\siam.exe"3⤵
- Deletes itself
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/656-66-0x0000000001C90000-0x0000000001D20000-memory.dmp
memory/656-65-0x0000000001ED0000-0x00000000021D3000-memory.dmp
memory/656-62-0x00000000007E0000-0x00000000007F6000-memory.dmp
memory/656-63-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/836-59-0x0000000000260000-0x0000000000271000-memory.dmp
memory/836-58-0x0000000000700000-0x0000000000A03000-memory.dmp
memory/836-55-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1264-60-0x0000000006CE0000-0x0000000006E3C000-memory.dmp
memory/1264-67-0x0000000006E40000-0x0000000006FC7000-memory.dmp
memory/2024-53-0x0000000075821000-0x0000000075823000-memory.dmp