Analysis
- max time kernel
151s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
22/01/2024, 19:11
General
- Target documents.exe
- Size 911KB
- Sample240122-xvxmmsdac8
- SHA256 6e94f38fee814023e77c4f2f3f718fd0bdf456974fb7742c03ee17dd2054050c
Malware Config
Extracted
-
darkcloud
- email_from
- email_to
Signatures
- DarkCloud
An information stealer written in Visual Basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\documents.exe"C:\Users\Admin\AppData\Local\Temp\documents.exe"1⤵
- Checks computer location settings
- 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\XDtKGBXwHkOLmY.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XDtKGBXwHkOLmY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36F9.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\documents.exe"C:\Users\Admin\AppData\Local\Temp\documents.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\documents.exe"C:\Users\Admin\AppData\Local\Temp\documents.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_l01lrvfd.2lq.ps1
tmp36F9.tmp
memory/2292-23-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2292-26-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2292-71-0x0000000000400000-0x0000000000463000-memory.dmp
memory/3944-8-0x000000000A1F0000-0x000000000A1F8000-memory.dmp
memory/3944-12-0x0000000007730000-0x0000000007740000-memory.dmp
memory/3944-7-0x000000000A200000-0x000000000A29C000-memory.dmp
memory/3944-5-0x0000000007670000-0x000000000767A000-memory.dmp
memory/3944-9-0x000000000A2A0000-0x000000000A2AC000-memory.dmp
memory/3944-10-0x000000000A6B0000-0x000000000A752000-memory.dmp
memory/3944-11-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/3944-6-0x000000000A150000-0x000000000A164000-memory.dmp
memory/3944-4-0x0000000007730000-0x0000000007740000-memory.dmp
memory/3944-3-0x00000000074D0000-0x0000000007562000-memory.dmp
memory/3944-2-0x00000000079A0000-0x0000000007F44000-memory.dmp
memory/3944-0-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/3944-27-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/3944-1-0x0000000000520000-0x000000000060A000-memory.dmp
memory/4280-29-0x0000000004D90000-0x0000000004DB2000-memory.dmp
memory/4280-57-0x00000000064A0000-0x00000000064BE000-memory.dmp
memory/4280-21-0x0000000002560000-0x0000000002570000-memory.dmp
memory/4280-20-0x0000000002560000-0x0000000002570000-memory.dmp
memory/4280-31-0x00000000057B0000-0x0000000005816000-memory.dmp
memory/4280-18-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/4280-37-0x0000000005820000-0x0000000005886000-memory.dmp
memory/4280-42-0x00000000059E0000-0x0000000005D34000-memory.dmp
memory/4280-43-0x0000000005F00000-0x0000000005F1E000-memory.dmp
memory/4280-44-0x00000000062E0000-0x000000000632C000-memory.dmp
memory/4280-45-0x0000000002560000-0x0000000002570000-memory.dmp
memory/4280-46-0x00000000064C0000-0x00000000064F2000-memory.dmp
memory/4280-47-0x0000000070300000-0x000000007034C000-memory.dmp
memory/4280-22-0x0000000005180000-0x00000000057A8000-memory.dmp
memory/4280-58-0x0000000006ED0000-0x0000000006F73000-memory.dmp
memory/4280-59-0x0000000007930000-0x0000000007FAA000-memory.dmp
memory/4280-60-0x0000000007000000-0x000000000701A000-memory.dmp
memory/4280-61-0x0000000007070000-0x000000000707A000-memory.dmp
memory/4280-62-0x0000000007490000-0x0000000007526000-memory.dmp
memory/4280-63-0x0000000007410000-0x0000000007421000-memory.dmp
memory/4280-64-0x0000000007440000-0x000000000744E000-memory.dmp
memory/4280-65-0x0000000007450000-0x0000000007464000-memory.dmp
memory/4280-66-0x0000000007550000-0x000000000756A000-memory.dmp
memory/4280-67-0x0000000007530000-0x0000000007538000-memory.dmp
memory/4280-70-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/4280-17-0x0000000002570000-0x00000000025A6000-memory.dmp