Analysis
- max time kernel
141s - max time network
123s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system - submitted
07/02/2025, 14:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe
Resource
win7-20240903-en
11 signatures
150 seconds
General
- Target 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe
- Size 1.0MB
- Sample250207-reqlhatlev
- SHA256 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364
- MD5 34f168df72a4e7df30e4417ed4053fd9
- SHA1 2c32047d4fd16737ac0e9bd37cd3022eb83b103b
- SHA512 a461bcfdcf29b36968a088db2335d7422314112393234b0218e5583639076a18366e9cdcd1c7fd5b4aa311ee39440aa426ea1c0174a81cdcd1e2fba813a12559
- SSDEEP 24576:F8yNK1t4NK1tOqLBGDtb3GeOpeq/Lb9yo03NMFM2Sb9btccESt8wAhSe1u:KhW7/qDb9yoBHSbkSt8wAhSe1
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
darkcloud
Attributes
- email_from
- email_to
Signatures
- 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.
pid Process 2084 powershell.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2692 set thread context of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2820 schtasks.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2084 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2084 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2852 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2692 wrote to memory of 2084 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 31 PID 2692 wrote to memory of 2084 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 31 PID 2692 wrote to memory of 2084 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 31 PID 2692 wrote to memory of 2084 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 31 PID 2692 wrote to memory of 2820 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 33 PID 2692 wrote to memory of 2820 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 33 PID 2692 wrote to memory of 2820 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 33 PID 2692 wrote to memory of 2820 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 33 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35 PID 2692 wrote to memory of 2852 2692 20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe 35
Processes
-
C:\Users\Admin\AppData\Local\Temp\20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe"C:\Users\Admin\AppData\Local\Temp\20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDkjAPbgHcL.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2084
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDkjAPbgHcL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE43.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2820
-
-
C:\Users\Admin\AppData\Local\Temp\20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe"C:\Users\Admin\AppData\Local\Temp\20da52004f3b7664034886b4a4f1b9fb5d8d89ef89daf874e6a28d349cc93364.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2852
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpE43.tmp
- Size 1KB
- SHA256 7050eec482fcdaa4f90466964a0b4bd30879009f840cec51069ced0ccaa06068
- MD5 df629100d24ff1ca11fbfc4f58b92e13
- SHA1 861fd618506de04f360e698e1d58e70dec2f6230
- SHA512 2e6fc391738b28d2c66180323ec674b7e10e6ba1444fe4e49216c57fe5132e8a8dbae56b945576cfe08e127def1c048eff125002bdf63e160e1086a09dba249f
- MD5 SHA1 SHA512