Analysis
- max time kernel
121s - max time network
122s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
29/10/2024, 04:31
General
- Target rAWB281024_.scr.exe
- Size 972KB
- Sample241029-e5dcmssrbk
- SHA256 88bb9bed8031190a16d24e5e26de559fb3ba8f7cda489b8f09cb40e2e1f2df9a
Malware Config
Signatures
- 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.
- 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 3 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rAWB281024_.scr.exe"C:\Users\Admin\AppData\Local\Temp\rAWB281024_.scr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\zrjxKRHUf.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\zrjxKRHUf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE9C.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\Temp\rAWB281024_.scr.exe"C:\Users\Admin\AppData\Local\Temp\rAWB281024_.scr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmpDE9C.tmp
memory/2292-15-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2292-16-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2292-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2292-19-0x0000000000400000-0x0000000000447000-memory.dmp
memory/3056-3-0x0000000000570000-0x000000000058E000-memory.dmp
memory/3056-6-0x00000000004D0000-0x000000000055E000-memory.dmp
memory/3056-5-0x0000000074CA0000-0x000000007538E000-memory.dmp
memory/3056-4-0x0000000074CAE000-0x0000000074CAF000-memory.dmp
memory/3056-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp
memory/3056-2-0x0000000074CA0000-0x000000007538E000-memory.dmp
memory/3056-1-0x0000000001140000-0x000000000123A000-memory.dmp
memory/3056-20-0x0000000074CA0000-0x000000007538E000-memory.dmp