34c86abcc665e0f1c60a882f91fdac2811301c8b9cc0572ccfb724cf733456f7

Analysis

max time kernel
149s
max time network
155s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
22/05/2026, 12:01

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General

Target
tmp8opdtdhz.exe
Size 54KB
Sample260522-n666saas2p
SHA256 34c86abcc665e0f1c60a882f91fdac2811301c8b9cc0572ccfb724cf733456f7
MD5 cebc87c85faef82fc23175edc8615dfb
SHA1 d5b1813abefd455e88f56b98e5bbf0140332b4c1
SHA512 aab92cd61807d19be762c80353c9733cdbd82615845d36905d080832fbdde75305209ae9688faaa7e23c3e7da96e81bc65d43bc04c624a0c7b93dc9871711cc1
SSDEEP 768:D3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:75tPusSRJDTlLTOpJiaDjts4gfFi2+A
TLSH
T15F430721F7AD4034F39A4AF919B1CB9C41B73E35AD60950B530BDCAF1E312E1A9A4B07
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4108 set thread context of 1660	4108	tmp8opdtdhz.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3428	4796	WerFault.exe	84

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	tmp8opdtdhz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp8opdtdhz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4796	winver.exe
4796	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

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

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4796	winver.exe
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3436	Explorer.EXE
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4108	tmp8opdtdhz.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 1660	4108	tmp8opdtdhz.exe	83
PID 4108 wrote to memory of 1660	4108	tmp8opdtdhz.exe	83
PID 4108 wrote to memory of 1660	4108	tmp8opdtdhz.exe	83
PID 1660 wrote to memory of 4796	1660	tmp8opdtdhz.exe	84
PID 4796 wrote to memory of 3436	4796	winver.exe	57
PID 4796 wrote to memory of 3120	4796	winver.exe	52

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3120

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\tmp8opdtdhz.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8opdtdhz.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4108
- - C:\Users\Admin\AppData\Local\Temp\tmp8opdtdhz.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp8opdtdhz.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1660
  - - 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:4796
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 428
        5⤵
        Program crash
        
        PID:3428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4796 -ip 4796
1⤵
PID:5076

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1660-2-0x0000000000400000-0x0000000000405000-memory.dmp

Download

memory/3120-14-0x0000000000650000-0x0000000000656000-memory.dmp

Download

memory/3120-12-0x0000000000650000-0x0000000000656000-memory.dmp

Download

memory/3436-10-0x00007FFBE3F6D000-0x00007FFBE3F6E000-memory.dmp

Download

memory/3436-9-0x0000000003130000-0x0000000003136000-memory.dmp

Download

memory/3436-17-0x00007FFBE40E0000-0x00007FFBE40E1000-memory.dmp

Download

memory/3436-19-0x00007FFBE40F0000-0x00007FFBE40F1000-memory.dmp

Download

memory/3436-20-0x00007FFBE4100000-0x00007FFBE4101000-memory.dmp

Download

memory/4796-8-0x0000000077923000-0x0000000077924000-memory.dmp

Download

memory/4796-5-0x0000000001460000-0x0000000001466000-memory.dmp

Download

memory/4796-3-0x0000000001460000-0x0000000001466000-memory.dmp

Download

memory/4796-15-0x0000000001460000-0x0000000001466000-memory.dmp

Download