8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be

General

Target

8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe
Size

54KB
MD5

a7c1c8ebe581d5c4877ff75b77f7792a
SHA1

6a7c6904d28ce4ed8ad5d340fc8515bde3d92155
SHA256

8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be
SHA512

b76a0b6618fd3f445b37ee4bbd2f9506aee8283a27d9a5f2dc87b8d5071a5901fad103ff7e828ca118b4814cd64f989679fc9cb114c599124522b22fec7d1cfc
SSDEEP

768:F3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBW:15tPusSRJDTlLTOpJiaDjts4gfFi2+w

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4364 set thread context of 664	4364	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1392	336	WerFault.exe	85

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
336	winver.exe
336	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
336	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4364	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 664	4364	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	84
PID 4364 wrote to memory of 664	4364	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	84
PID 4364 wrote to memory of 664	4364	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	84
PID 4364 wrote to memory of 664	4364	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	84
PID 4364 wrote to memory of 664	4364	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	84
PID 4364 wrote to memory of 664	4364	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	84
PID 664 wrote to memory of 336	664	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	85
PID 664 wrote to memory of 336	664	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	85
PID 664 wrote to memory of 336	664	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	85
PID 664 wrote to memory of 336	664	8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe	85
PID 336 wrote to memory of 3436	336	winver.exe	56
PID 336 wrote to memory of 2908	336	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2908

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe
  "C:\Users\Admin\AppData\Local\Temp\8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4364
- - C:\Users\Admin\AppData\Local\Temp\8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe
    "C:\Users\Admin\AppData\Local\Temp\8c2bf95d166e12a791950a8a8faf5b4a900c4c59e6c0d2c23edd80d3290d44be.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:664
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:336
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 336 -s 392
        5⤵
        Program crash
        
        PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 336 -ip 336
1⤵
PID:4640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/336-20-0x00007FFBF54D0000-0x00007FFBF56C5000-memory.dmp

Filesize
2.0MB

Download
memory/336-5-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download
memory/336-10-0x00000000777D2000-0x00000000777D3000-memory.dmp

Filesize
4KB

Download
memory/336-18-0x0000000000770000-0x0000000000776000-memory.dmp

Filesize
24KB

Download
memory/336-8-0x00000000009D0000-0x00000000009E2000-memory.dmp

Filesize
72KB

Download
memory/336-3-0x00000000009D1000-0x00000000009D2000-memory.dmp

Filesize
4KB

Download
memory/336-12-0x00007FFBF54D0000-0x00007FFBF56C5000-memory.dmp

Filesize
2.0MB

Download
memory/664-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2908-16-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/2908-17-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3436-11-0x00007FFBF556D000-0x00007FFBF556E000-memory.dmp

Filesize
4KB

Download
memory/3436-13-0x00007FFBF5700000-0x00007FFBF5701000-memory.dmp

Filesize
4KB

Download
memory/3436-9-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/3436-4-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download

Analysis

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