Analysis
- max time kernel
150s - max time network
154s - platform
windows10_x64 - resource
win10v20210408 - submitted
11/06/2021, 10:11
General
- Target 2435.bat.exe
- Size 236KB
- Sample210611-havffte1fx
- SHA256 c347c2d7579053d263f6ab6eddca7bd03691ebab93b30b5caba462caa7106beb
Malware Config
Extracted
-
formbook
-
4.1
-
http://www.knighttechinca.com/dxe/
-
sardarfarm.com
-
959tremont.com
-
privat-livecam.net
-
ansel-homebakery.com
-
joysupermarket.com
-
peninsulamatchmakers.net
-
northsytyle.com
-
radioconexaoubermusic.com
-
relocatingrealtor.com
-
desyrnan.com
-
onlinehoortoestel.online
-
enpointe.online
-
rvvikings.com
-
paulpoirier.com
-
shitarpa.net
-
kerneis.net
-
rokitreach.com
-
essentiallygaia.com
-
prestiged.net
-
fuerzaagavera.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 IoCs
- Loads dropped DLL 2 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.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2435.bat.exe"C:\Users\Admin\AppData\Local\Temp\2435.bat.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2435.bat.exe"C:\Users\Admin\AppData\Local\Temp\2435.bat.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\wscript.exe"C:\Windows\SysWOW64\wscript.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\2435.bat.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1928-123-0x0000000000A70000-0x0000000000A97000-memory.dmp
memory/1928-126-0x0000000004540000-0x00000000045D3000-memory.dmp
memory/1928-125-0x0000000004780000-0x0000000004AA0000-memory.dmp
memory/1928-124-0x00000000003D0000-0x00000000003FE000-memory.dmp
memory/2568-127-0x0000000005C10000-0x0000000005CAB000-memory.dmp
memory/2568-120-0x0000000005A90000-0x0000000005C0C000-memory.dmp
memory/3712-117-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3712-119-0x00000000006E0000-0x00000000006F4000-memory.dmp
memory/3712-118-0x0000000000B50000-0x0000000000E70000-memory.dmp