Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
06/10/2022, 17:07
General
- Target 3ab1cc60bd5dca00fc6cad5cf3c0a7cccea610b20027c9db6b45f0b41860fba5.exe
- Size 1.1MB
- Sample221006-vnd6lsaab7
- SHA256 3ab1cc60bd5dca00fc6cad5cf3c0a7cccea610b20027c9db6b45f0b41860fba5
Malware Config
Extracted
-
formbook
-
4.1
-
je14
-
innervisionbuildings.com
-
theenergysocialite.com
-
565548.com
-
panghr.com
-
onlyonesolutions.com
-
stjohnzone6.com
-
cnotes.rest
-
helfeb.online
-
xixi-s-inc.club
-
easilyentered.com
-
theshopx.store
-
mrclean-ac.com
-
miamibeachwateradventures.com
-
jpearce.co.uk
-
seseragi-bunkou.com
-
minimaddie.com
-
commbank-help-849c3.com
-
segohandelsonderneming.com
-
namthanhreal.com
-
fototerapi.online
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 5 IoCs
- Executes dropped EXE 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 58 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3ab1cc60bd5dca00fc6cad5cf3c0a7cccea610b20027c9db6b45f0b41860fba5.exe"C:\Users\Admin\AppData\Local\Temp\3ab1cc60bd5dca00fc6cad5cf3c0a7cccea610b20027c9db6b45f0b41860fba5.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\5_29\estrlf.pif"C:\Users\Admin\AppData\Roaming\5_29\estrlf.pif" tvsgb.tls3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"4⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
-
C:\Windows\SysWOW64\systray.exe"C:\Windows\SysWOW64\systray.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
estrlf.pif
estrlf.pif
gdrqa.icm
tvsgb.tls
xaguexgkmu.xvk
memory/1604-152-0x0000000003030000-0x000000000337A000-memory.dmp
memory/1604-153-0x0000000000F50000-0x0000000000F7F000-memory.dmp
memory/1604-150-0x0000000000F50000-0x0000000000F7F000-memory.dmp
memory/1604-154-0x0000000002E80000-0x0000000002F13000-memory.dmp
memory/1604-149-0x00000000002E0000-0x00000000002E6000-memory.dmp
memory/2596-147-0x00000000029E0000-0x0000000002A9D000-memory.dmp
memory/2596-155-0x00000000082D0000-0x000000000840F000-memory.dmp
memory/2596-156-0x00000000082D0000-0x000000000840F000-memory.dmp
memory/3428-144-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3428-142-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3428-146-0x0000000001690000-0x00000000016A4000-memory.dmp
memory/3428-145-0x0000000001B60000-0x0000000001EAA000-memory.dmp