Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
24/05/2022, 15:53
General
- Target Payment_Advice.exe
- Size 425KB
- Sample220524-tbmfsagfc9
- SHA256 83f6d958662190fa986bb003a232fde5df9e1d1ba1b72dbb95822ccb85cec7c0
Malware Config
Extracted
-
formbook
-
4.1
-
fs44
-
whneat.com
-
jljcw.net
-
pocodelivery.com
-
outofplacezine.com
-
yavuzcansigorta.com
-
xinhewood-cn.com
-
cartogogh.com
-
5avis.com
-
joyceyong.art
-
digitalsurf.community
-
blackcreekbarns.com
-
magazinedistribuidor.com
-
sportsgross.com
-
drevom.online
-
mayibeofservice.com
-
gareloi-digit.com
-
permitha.net
-
renaissanceestetica.com
-
facts-r-friends.com
-
dach-loc.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Formbook Payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 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.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 50 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 103⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout 104⤵
- Delays execution with timeout.exe
-
-
-
C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exeC:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\cscript.exe"C:\Windows\SysWOW64\cscript.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\Payment_Advice.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1648-137-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1648-140-0x0000000000EE0000-0x0000000000EF4000-memory.dmp
memory/1648-139-0x0000000001370000-0x00000000016BA000-memory.dmp
memory/2724-148-0x00000000033E0000-0x0000000003496000-memory.dmp
memory/2724-141-0x0000000008BF0000-0x0000000008D89000-memory.dmp
memory/4668-130-0x0000000000890000-0x0000000000900000-memory.dmp
memory/4668-133-0x0000000005350000-0x000000000535A000-memory.dmp
memory/4668-132-0x00000000052A0000-0x0000000005332000-memory.dmp
memory/4668-131-0x0000000005790000-0x0000000005D34000-memory.dmp
memory/4680-143-0x0000000000C50000-0x0000000000C77000-memory.dmp
memory/4680-144-0x0000000002D90000-0x00000000030DA000-memory.dmp
memory/4680-145-0x0000000000D80000-0x0000000000DAF000-memory.dmp
memory/4680-147-0x0000000002C00000-0x0000000002C93000-memory.dmp