Analysis
- max time kernel
120s - max time network
125s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
07/10/2024, 08:13
General
- Target September payments.exe
- Size 873KB
- Sample241007-j4f5csvepj
- SHA256 b1fb20d5857d1ca65dbacd6cb100dc2d7da8eb7ce54d4faeebafb2bbb212beca
Malware Config
Signatures
- 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.
- Uses the VBS compiler for execution 1 TTPs
- 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\September payments.exe"C:\Users\Admin\AppData\Local\Temp\September payments.exe"1⤵
- 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\September payments.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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YifGIcnmZiWfn.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\YifGIcnmZiWfn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp79B2.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmp79B2.tmp
3R1HJVAKHPKSG93IHFTX.temp
memory/2080-21-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2080-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2080-24-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2080-19-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2664-3-0x0000000000650000-0x000000000066E000-memory.dmp
memory/2664-6-0x00000000059E0000-0x0000000005A6E000-memory.dmp
memory/2664-5-0x0000000074960000-0x000000007504E000-memory.dmp
memory/2664-4-0x000000007496E000-0x000000007496F000-memory.dmp
memory/2664-0-0x000000007496E000-0x000000007496F000-memory.dmp
memory/2664-2-0x0000000074960000-0x000000007504E000-memory.dmp
memory/2664-1-0x0000000000050000-0x0000000000130000-memory.dmp
memory/2664-25-0x0000000074960000-0x000000007504E000-memory.dmp