Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
18/01/2025, 03:15
General
- Target 1b758fdf653d34cd62c7fecd1e3023ca5d3537360097676b5cc83b7915c2ac90.exe
- Size 917KB
- Sample250118-drw26a1max
- SHA256 1b758fdf653d34cd62c7fecd1e3023ca5d3537360097676b5cc83b7915c2ac90
Malware Config
Extracted
-
darkcloud
- email_from
- email_to
Signatures
- DarkCloud
An information stealer written in Visual Basic.
- Darkcloud family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1b758fdf653d34cd62c7fecd1e3023ca5d3537360097676b5cc83b7915c2ac90.exe"C:\Users\Admin\AppData\Local\Temp\1b758fdf653d34cd62c7fecd1e3023ca5d3537360097676b5cc83b7915c2ac90.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\UNTKRsD.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UNTKRsD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEF1.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\1b758fdf653d34cd62c7fecd1e3023ca5d3537360097676b5cc83b7915c2ac90.exe"C:\Users\Admin\AppData\Local\Temp\1b758fdf653d34cd62c7fecd1e3023ca5d3537360097676b5cc83b7915c2ac90.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_rm1ppxpg.nk4.ps1
tmpFEF1.tmp
memory/1240-18-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/1240-46-0x000000006F720000-0x000000006F76C000-memory.dmp
memory/1240-66-0x0000000007A00000-0x0000000007A14000-memory.dmp
memory/1240-65-0x00000000079F0000-0x00000000079FE000-memory.dmp
memory/1240-64-0x00000000079C0000-0x00000000079D1000-memory.dmp
memory/1240-63-0x0000000007A40000-0x0000000007AD6000-memory.dmp
memory/1240-62-0x0000000007830000-0x000000000783A000-memory.dmp
memory/1240-61-0x00000000077C0000-0x00000000077DA000-memory.dmp
memory/1240-60-0x0000000007E10000-0x000000000848A000-memory.dmp
memory/1240-59-0x0000000007690000-0x0000000007733000-memory.dmp
memory/1240-57-0x0000000002B50000-0x0000000002B60000-memory.dmp
memory/1240-20-0x00000000055B0000-0x0000000005BD8000-memory.dmp
memory/1240-67-0x0000000007B00000-0x0000000007B1A000-memory.dmp
memory/1240-45-0x0000000007650000-0x0000000007682000-memory.dmp
memory/1240-17-0x0000000002BA0000-0x0000000002BD6000-memory.dmp
memory/1240-21-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/1240-22-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/1240-23-0x0000000005D10000-0x0000000005D32000-memory.dmp
memory/1240-71-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/1240-58-0x0000000006A70000-0x0000000006A8E000-memory.dmp
memory/1240-56-0x0000000002B50000-0x0000000002B60000-memory.dmp
memory/1240-31-0x0000000005EA0000-0x0000000005F06000-memory.dmp
memory/1240-30-0x0000000005DC0000-0x0000000005E26000-memory.dmp
memory/1240-41-0x0000000006490000-0x00000000064AE000-memory.dmp
memory/1240-68-0x0000000007AE0000-0x0000000007AE8000-memory.dmp
memory/1240-42-0x0000000006600000-0x000000000664C000-memory.dmp
memory/1240-44-0x000000007F8B0000-0x000000007F8C0000-memory.dmp
memory/2336-33-0x0000000000400000-0x0000000000460000-memory.dmp
memory/2336-29-0x0000000000400000-0x0000000000460000-memory.dmp
memory/2336-72-0x0000000000400000-0x0000000000460000-memory.dmp
memory/3304-7-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/3304-6-0x0000000006070000-0x000000000610C000-memory.dmp
memory/3304-11-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/3304-10-0x00000000749CE000-0x00000000749CF000-memory.dmp
memory/3304-9-0x0000000006A60000-0x0000000006A86000-memory.dmp
memory/3304-8-0x0000000008270000-0x0000000008352000-memory.dmp
memory/3304-43-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/3304-12-0x000000000AA50000-0x000000000AAFA000-memory.dmp
memory/3304-5-0x0000000005F30000-0x0000000005F3A000-memory.dmp
memory/3304-4-0x00000000054F0000-0x0000000005844000-memory.dmp
memory/3304-3-0x0000000005450000-0x00000000054E2000-memory.dmp
memory/3304-2-0x0000000005960000-0x0000000005F04000-memory.dmp
memory/3304-1-0x0000000000950000-0x0000000000A3C000-memory.dmp
memory/3304-0-0x00000000749CE000-0x00000000749CF000-memory.dmp