5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835

General

Target

5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe
Size

54KB
MD5

5cf2055422bd41b4b9a9a8c8f8d058e0
SHA1

d9944a15df848a3196db37b5df544d900e078d95
SHA256

5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835
SHA512

5c92405398bd8324373f6f5b85fadc7cb0e03898da1454d1ef7ca16307a93066a4f7475d34220da31e11877b32e4de808e1e641cb6c9d786882db18b1ed404dc
SSDEEP

768:B3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:55tPusSRJDTlLTOpJiaDjts4gfFi2+A

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3744 set thread context of 4632	3744	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1424	4196	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	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4196	winver.exe
4196	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4196	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3744	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 4632	3744	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	82
PID 3744 wrote to memory of 4632	3744	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	82
PID 3744 wrote to memory of 4632	3744	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	82
PID 3744 wrote to memory of 4632	3744	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	82
PID 3744 wrote to memory of 4632	3744	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	82
PID 3744 wrote to memory of 4632	3744	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	82
PID 4632 wrote to memory of 4196	4632	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	83
PID 4632 wrote to memory of 4196	4632	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	83
PID 4632 wrote to memory of 4196	4632	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	83
PID 4632 wrote to memory of 4196	4632	5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe	83
PID 4196 wrote to memory of 3424	4196	winver.exe	56
PID 4196 wrote to memory of 2648	4196	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe
  "C:\Users\Admin\AppData\Local\Temp\5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3744
- - C:\Users\Admin\AppData\Local\Temp\5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe
    "C:\Users\Admin\AppData\Local\Temp\5a89d09360fe17982e8c738b09c3142bc3535e32997258e030396f64a0e5f835N.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4632
  - - 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:4196
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 388
        5⤵
        Program crash
        
        PID:1424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4196 -ip 4196
1⤵
PID:4624

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/2648-13-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download
memory/2648-14-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download
memory/3424-10-0x00007FFBA31CD000-0x00007FFBA31CE000-memory.dmp

Filesize
4KB

Download
memory/3424-9-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x0000000002690000-0x0000000002696000-memory.dmp

Filesize
24KB

Download
memory/4196-8-0x0000000000E50000-0x0000000000E62000-memory.dmp

Filesize
72KB

Download
memory/4196-7-0x0000000000E51000-0x0000000000E52000-memory.dmp

Filesize
4KB

Download
memory/4196-4-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/4196-15-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/4632-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

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