Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
22/05/2022, 12:18
General
- Target 9f031a71a8f4dedaff85f360942cd0b7.exe
- Size 14KB
- Sample220522-pgldfsaad3
- SHA256 ac23d509999ba6aeffbf49a41e104a7e876872740dbf24ccff54f5bc36ee3eb6
Malware Config
Extracted
-
formbook
-
4.1
-
s4s9
-
qianyuandianshang.com
-
bernardklein.com
-
slhomeservices.com
-
findasaas.com
-
janellelancaster.xyz
-
umkpro.site
-
nr6949.online
-
mersquare.club
-
lanariproperties.com
-
3rdeyefocused.com
-
giftexpress8260.xyz
-
hilleleven.xyz
-
beajod.com
-
kosazs.online
-
ishare.team
-
mb314.com
-
xjjinxingda.com
-
ayekooprojectamazing.com
-
ballsybanter.com
-
todayshoppingbd.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.
- 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 52 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\9f031a71a8f4dedaff85f360942cd0b7.exe"C:\Users\Admin\AppData\Local\Temp\9f031a71a8f4dedaff85f360942cd0b7.exe"2⤵
- Checks computer location settings
- 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 23⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout 24⤵
- Delays execution with timeout.exe
-
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\colorcpl.exe"C:\Windows\SysWOW64\colorcpl.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\MSBuild.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/8-148-0x0000000002F60000-0x0000000003066000-memory.dmp
memory/8-141-0x0000000007D90000-0x0000000007F19000-memory.dmp
memory/4740-140-0x0000000001460000-0x0000000001474000-memory.dmp
memory/4740-137-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4740-139-0x0000000001AA0000-0x0000000001DEA000-memory.dmp
memory/4776-144-0x0000000000880000-0x0000000000899000-memory.dmp
memory/4776-145-0x00000000008E0000-0x000000000090F000-memory.dmp
memory/4776-146-0x00000000027E0000-0x0000000002B2A000-memory.dmp
memory/4776-147-0x0000000002690000-0x0000000002723000-memory.dmp
memory/5068-132-0x00000000052E0000-0x0000000005372000-memory.dmp
memory/5068-133-0x00000000053E0000-0x00000000053EA000-memory.dmp
memory/5068-130-0x00000000008A0000-0x00000000008A8000-memory.dmp
memory/5068-131-0x0000000005890000-0x0000000005E34000-memory.dmp