Analysis
- max time kernel
150s - max time network
154s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
15/11/2022, 12:23
General
- Target SHIPPING DOC.exe
- Size 863KB
- Sample221115-pkg57sdh42
- SHA256 7cc325dd19e4ceb61b666da2a847b3f4f65e945ea1b71d7616cbc8d2dbea30d4
Malware Config
Extracted
-
formbook
-
cfvc
-
qFcyI8OAPHKap6ubfQ==
-
NuOCNnr/zOqy1xM5AN4=
-
CnHfypZMLKQKgKaaVw4J1g==
-
9WpDFnsiwEyoFko7+GYiyo55
-
zUKhZPi3f21+ux+L
-
vqqeiTTPlz+cnQaD
-
GLGZh9zop+UvsCtBEm9x
-
eCUGyUEAe9hmj8KgaA==
-
EvXUn0s63zJyoxQfCGQmMZRu
-
kVy6iO/FuRGD/A==
-
+tg0M82KQk7fX4XXoYIluHMEFhbrzMk=
-
hP/nqutI9DR+0mBnYA==
-
cwrq1kLJd9QzqtQq9QCc7hHV9FjjKSvU
-
eE6vlcLHxAHZ7g==
-
vpKQL84+30y4SZpU/Ox5
-
vbfnlWZmAj1aVbCdbA==
-
UNQwEfT8tzbiL3J2Wrjm3g==
-
02LLqYRY9SeDIHwK5pFjYrg=
-
PhkLzj8IuT6R7v3lxlBYwqO69HReqnrF
-
mkYwC5lsF6cDS6RU/Ox5
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 27 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dcvYWn.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dcvYWn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE61C.tmp"3⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmpE61C.tmp
sqlite3.dll
memory/660-71-0x000000006DC40000-0x000000006E1EB000-memory.dmp
memory/976-92-0x0000000000080000-0x00000000000AD000-memory.dmp
memory/976-86-0x0000000074D31000-0x0000000074D33000-memory.dmp
memory/976-87-0x00000000005D0000-0x0000000000851000-memory.dmp
memory/976-88-0x0000000000080000-0x00000000000AD000-memory.dmp
memory/976-89-0x00000000022A0000-0x00000000025A3000-memory.dmp
memory/976-90-0x00000000021A0000-0x000000000222F000-memory.dmp
memory/1240-93-0x00000000098F0000-0x0000000009A21000-memory.dmp
memory/1240-91-0x00000000098F0000-0x0000000009A21000-memory.dmp
memory/1240-77-0x0000000006AF0000-0x0000000006BF4000-memory.dmp
memory/1240-81-0x0000000007200000-0x0000000007378000-memory.dmp
memory/1256-57-0x0000000000340000-0x000000000034C000-memory.dmp
memory/1256-55-0x0000000075091000-0x0000000075093000-memory.dmp
memory/1256-54-0x0000000000F00000-0x0000000000FDE000-memory.dmp
memory/1256-63-0x0000000004E40000-0x0000000004E86000-memory.dmp
memory/1256-56-0x0000000000430000-0x0000000000448000-memory.dmp
memory/1256-58-0x0000000005D20000-0x0000000005DA0000-memory.dmp
memory/1656-64-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1656-80-0x00000000002C0000-0x00000000002D0000-memory.dmp
memory/1656-79-0x0000000000422000-0x0000000000424000-memory.dmp
memory/1656-83-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1656-85-0x0000000000401000-0x000000000042F000-memory.dmp
memory/1656-76-0x0000000000180000-0x0000000000190000-memory.dmp
memory/1656-75-0x0000000000422000-0x0000000000424000-memory.dmp
memory/1656-74-0x0000000000880000-0x0000000000B83000-memory.dmp
memory/1656-73-0x0000000000401000-0x000000000042F000-memory.dmp
memory/1656-72-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1656-70-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1656-67-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1656-65-0x0000000000400000-0x000000000042F000-memory.dmp