1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac

General

Target

1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe
Size

54KB
MD5

66527989abb36db9d187c010f4173f05
SHA1

862023c922d8142020bd115f5f1523334c659c51
SHA256

1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac
SHA512

e9eaa3011198b577b5ccd27fa1058f415ca94c666ec1632c0679bf1c1b3379ca74aa161b452c2afbd1685b53d6bf00ceb69818d58e63c978c4d7375f400b437c
SSDEEP

768:q3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBm:65tPusSRJDTlLTOpJiaDjts4gfFi2+Q

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4556 set thread context of 2856	4556	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3132	1544	WerFault.exe	83

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	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1544	winver.exe
1544	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1544	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4556	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 2856	4556	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	82
PID 4556 wrote to memory of 2856	4556	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	82
PID 4556 wrote to memory of 2856	4556	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	82
PID 4556 wrote to memory of 2856	4556	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	82
PID 4556 wrote to memory of 2856	4556	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	82
PID 4556 wrote to memory of 2856	4556	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	82
PID 2856 wrote to memory of 1544	2856	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	83
PID 2856 wrote to memory of 1544	2856	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	83
PID 2856 wrote to memory of 1544	2856	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	83
PID 2856 wrote to memory of 1544	2856	1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe	83
PID 1544 wrote to memory of 3624	1544	winver.exe	56
PID 1544 wrote to memory of 2688	1544	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3624
- C:\Users\Admin\AppData\Local\Temp\1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe
  "C:\Users\Admin\AppData\Local\Temp\1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4556
- - C:\Users\Admin\AppData\Local\Temp\1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe
    "C:\Users\Admin\AppData\Local\Temp\1893174c97d41e73feb1962371eef41299e9a27f76cb3634c2922d3bdfd6dbac.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2856
  - - 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:1544
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 392
        5⤵
        Program crash
        
        PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1544 -ip 1544
1⤵
PID:2516

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

Loading Replay Monitor...

Downloads

memory/1544-4-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download
memory/1544-10-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

Filesize
4KB

Download
memory/1544-8-0x0000000000C30000-0x0000000000C42000-memory.dmp

Filesize
72KB

Download
memory/1544-7-0x0000000000C31000-0x0000000000C32000-memory.dmp

Filesize
4KB

Download
memory/1544-16-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download
memory/2688-14-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/2688-15-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/2856-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3624-3-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

Filesize
24KB

Download
memory/3624-11-0x00007FFC4548D000-0x00007FFC4548E000-memory.dmp

Filesize
4KB

Download
memory/3624-9-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing