Analysis
- max time kernel
146s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
12/03/2025, 02:36
General
- Target RFQ.exe
- Size 881KB
- Sample250312-c3plsatry9
- SHA256 aa653ad0d107b2d7ab98d4ede0eef147b73fbd7eb2f522f0bf608f833daebe34
Malware Config
Extracted
-
darkcloud
-
https://api.telegram.org/bot7725030292:AAFHYtQUWDdOhIko2DIqyexjh4XvUaOA1Fs/sendMessage?chat_id=6732456666
Signatures
- DarkCloud
An information stealer written in Visual Basic.
- Darkcloud family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 5 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 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wOPQRmK.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wOPQRmK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF31A.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\RFQ.exe"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_5bu4mf20.3rs.ps1
tmpF31A.tmp
memory/1260-67-0x00000000758B0000-0x00000000758FC000-memory.dmp
memory/1260-83-0x0000000006F70000-0x0000000006F84000-memory.dmp
memory/1260-82-0x0000000006F60000-0x0000000006F6E000-memory.dmp
memory/1260-80-0x0000000006FB0000-0x0000000007046000-memory.dmp
memory/1260-19-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1260-85-0x0000000007050000-0x0000000007058000-memory.dmp
memory/1260-23-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1260-89-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1260-21-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1328-45-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1328-46-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1372-15-0x0000000000C80000-0x0000000000CB6000-memory.dmp
memory/1372-79-0x0000000006DC0000-0x0000000006DCA000-memory.dmp
memory/1372-16-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1372-20-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1372-17-0x0000000004DC0000-0x00000000053E8000-memory.dmp
memory/1372-88-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1372-84-0x0000000007090000-0x00000000070AA000-memory.dmp
memory/1372-31-0x0000000004D20000-0x0000000004D86000-memory.dmp
memory/1372-48-0x0000000005530000-0x0000000005884000-memory.dmp
memory/1372-18-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/1372-81-0x0000000006F50000-0x0000000006F61000-memory.dmp
memory/1372-77-0x0000000007390000-0x0000000007A0A000-memory.dmp
memory/1372-78-0x0000000006D50000-0x0000000006D6A000-memory.dmp
memory/1372-26-0x0000000004C00000-0x0000000004C66000-memory.dmp
memory/1372-24-0x0000000004B60000-0x0000000004B82000-memory.dmp
memory/1372-52-0x0000000005A00000-0x0000000005A1E000-memory.dmp
memory/1372-53-0x0000000005AB0000-0x0000000005AFC000-memory.dmp
memory/1372-55-0x00000000758B0000-0x00000000758FC000-memory.dmp
memory/1372-54-0x0000000006000000-0x0000000006032000-memory.dmp
memory/1372-65-0x0000000005FE0000-0x0000000005FFE000-memory.dmp
memory/1372-66-0x0000000006C30000-0x0000000006CD3000-memory.dmp
memory/3648-9-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/3648-6-0x0000000005480000-0x000000000551C000-memory.dmp
memory/3648-7-0x0000000005450000-0x0000000005460000-memory.dmp
memory/3648-8-0x000000007500E000-0x000000007500F000-memory.dmp
memory/3648-5-0x0000000005190000-0x000000000519A000-memory.dmp
memory/3648-49-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/3648-4-0x0000000075000000-0x00000000757B0000-memory.dmp
memory/3648-3-0x0000000005210000-0x00000000052A2000-memory.dmp
memory/3648-10-0x0000000006470000-0x000000000652C000-memory.dmp
memory/3648-2-0x00000000057C0000-0x0000000005D64000-memory.dmp
memory/3648-0-0x000000007500E000-0x000000007500F000-memory.dmp
memory/3648-1-0x0000000000800000-0x00000000008E2000-memory.dmp