Analysis
- max time kernel
153s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
27/06/2022, 07:50
General
- Target DEKONT.exe
- Size 476KB
- Sample220627-jpac9sbfb5
- SHA256 67edbb99d3aba4abdd5edb3151171935ac1ceb730fd3227da79c33e3b2ab03c9
Malware Config
Extracted
-
formbook
-
4.1
-
g3t1
-
369manifestwealth.com
-
centralfloridadecking.com
-
wareadvance.com
-
hellobody.net
-
housemaker.pro
-
kudoki.net
-
peakadventures.net
-
liquidscreeds.world
-
corebenefitsconsultantsllc.com
-
housecondonow.com
-
xn--ah-kta.com
-
evolv3-consulting.com
-
78688653.com
-
truthvanguard.com
-
locarte.online
-
eighthoursandchange.com
-
polskebojnom.xyz
-
quaypottery.com
-
raintechsg.com
-
westpac-cancel.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 4 IoCs
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 32 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 12 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\DEKONT.exe"C:\Users\Admin\AppData\Local\Temp\DEKONT.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 20443⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\control.exe"C:\Windows\SysWOW64\control.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\vbc.exe"3⤵
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 3068 -ip 30681⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1576-143-0x00000000027F0000-0x0000000002B3A000-memory.dmp
memory/1576-142-0x00000000008A0000-0x00000000008CF000-memory.dmp
memory/1576-146-0x00000000008A0000-0x00000000008CF000-memory.dmp
memory/1576-144-0x0000000002590000-0x0000000002623000-memory.dmp
memory/1576-141-0x00000000001F0000-0x0000000000217000-memory.dmp
memory/3020-138-0x0000000007C10000-0x0000000007DAA000-memory.dmp
memory/3020-145-0x00000000085A0000-0x0000000008713000-memory.dmp
memory/3020-147-0x00000000085A0000-0x0000000008713000-memory.dmp
memory/3068-131-0x0000000005230000-0x0000000005296000-memory.dmp
memory/3068-130-0x0000000000630000-0x00000000006AE000-memory.dmp
memory/4468-137-0x0000000000EF0000-0x0000000000F04000-memory.dmp
memory/4468-136-0x0000000001460000-0x00000000017AA000-memory.dmp
memory/4468-135-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4468-133-0x0000000000400000-0x000000000042F000-memory.dmp