Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
28/12/2022, 22:31
General
- Target file.exe
- Size 223KB
- Sample221228-2fc2xaeh5s
- SHA256 6e491f554bda7f87e1c557c137a85b64dbe3ba0acffd1ed3a9142e3dccb93a4c
Malware Config
Extracted
-
gozi
Extracted
-
gozi
-
22500
-
confisg.edge.skype.com
-
http://
-
s28bxcw.xyz
-
config.edgse.skype.com
-
http://89.43.107.7
-
base_path
/recycle/
-
build
250249
-
exe_type
loader
-
extension
.alo
-
server_id
50
Signatures
- Detects Smokeloader packer 1 IoCs
- Gozi
Gozi is a well-known and widely distributed banking trojan.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 17 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⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\BE15.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\BE15.dll2⤵
- Loads dropped DLL
-
-
C:\Windows\System32\mshta.exe"C:\Windows\System32\mshta.exe" "about:<hta:application><script>Bw67='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(Bw67).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\51C98FB5-7C72-AB2B-0E15-700F2219A4B3\\\TypePack'));if(!window.flag)close()</script>"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name tegfrvyri -value gp; new-alias -name ghufmnqtsd -value iex; ghufmnqtsd ([System.Text.Encoding]::ASCII.GetString((tegfrvyri "HKCU:Software\AppDataLow\Software\Microsoft\51C98FB5-7C72-AB2B-0E15-700F2219A4B3").VirtualWhite))2⤵
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
BE15.dll
BE15.dll
memory/1644-132-0x00000000007B9000-0x00000000007CA000-memory.dmp
memory/1644-133-0x00000000006F0000-0x00000000006F9000-memory.dmp
memory/1644-134-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1644-135-0x0000000000400000-0x000000000045B000-memory.dmp
memory/3364-140-0x0000000000400000-0x0000000000495000-memory.dmp
memory/3364-142-0x0000000001290000-0x0000000001296000-memory.dmp
memory/3364-143-0x0000000002CC0000-0x0000000002CCD000-memory.dmp
memory/4644-149-0x000001C568550000-0x000001C568572000-memory.dmp
memory/4644-150-0x00007FFD88C80000-0x00007FFD89741000-memory.dmp