Analysis
- max time kernel
26s - max time network
136s - platform
windows7_x64 - resource
win7-20240704-en - resource tags
- submitted
09/08/2024, 08:30
General
- Target file.exe
- Size 6.2MB
- Sample240809-kd568ssdkh
- SHA256 e9b46bc46e9bec0632d4e5311e5f79329ddba93416479bd9a2b9d57f13e7c898
Malware Config
Signatures
- Drops startup file 1 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\jewkkwnf\jewkkwnf.exe" /tn "jewkkwnf HR" /sc HOURLY /rl HIGHEST2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\jewkkwnf\jewkkwnf.exe" /tn "jewkkwnf LG" /sc ONLOGON /rl HIGHEST2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
PowerExpertNNT.exe
memory/3012-7-0x0000000000100000-0x0000000000101000-memory.dmp
memory/3012-4-0x00000000000F0000-0x00000000000F1000-memory.dmp
memory/3012-24-0x0000000000170000-0x0000000000171000-memory.dmp
memory/3012-22-0x0000000000170000-0x0000000000171000-memory.dmp
memory/3012-19-0x0000000000160000-0x0000000000161000-memory.dmp
memory/3012-17-0x0000000000160000-0x0000000000161000-memory.dmp
memory/3012-14-0x0000000000150000-0x0000000000151000-memory.dmp
memory/3012-12-0x0000000000150000-0x0000000000151000-memory.dmp
memory/3012-9-0x0000000000100000-0x0000000000101000-memory.dmp
memory/3012-2-0x00000000000F0000-0x00000000000F1000-memory.dmp
memory/3012-30-0x0000000000CDA000-0x000000000109F000-memory.dmp
memory/3012-5-0x0000000000100000-0x0000000000101000-memory.dmp
memory/3012-29-0x0000000000180000-0x0000000000181000-memory.dmp
memory/3012-0-0x00000000000F0000-0x00000000000F1000-memory.dmp
memory/3012-35-0x0000000000190000-0x0000000000191000-memory.dmp
memory/3012-33-0x0000000000190000-0x0000000000191000-memory.dmp
memory/3012-36-0x0000000000C50000-0x00000000016D4000-memory.dmp
memory/3012-39-0x0000000000C50000-0x00000000016D4000-memory.dmp
memory/3012-31-0x0000000000190000-0x0000000000191000-memory.dmp
memory/3012-27-0x0000000000180000-0x0000000000181000-memory.dmp
memory/3012-48-0x0000000000CDA000-0x000000000109F000-memory.dmp
memory/3012-49-0x0000000000C50000-0x00000000016D4000-memory.dmp