2d14b13c33cba0a89364fad146d55a84fd2be0b2f95547d3bb4ae29552f0e3c7

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/06/2026, 23:32

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General

Target
tmpymsyv0s6.exe
Size 54KB
Sample260608-3jkrlagv91
SHA256 2d14b13c33cba0a89364fad146d55a84fd2be0b2f95547d3bb4ae29552f0e3c7
MD5 97b8777ba1b995e8aff729bc2d7dfc40
SHA1 386a6fdf9a91b2e48ce1b9f69f51af16dfad7ee2
SHA512 6e776c2d6e37db4c4cca9eaf347c65c3e6e81e1c22e78f6c14bf327c029a9518520c7ea2ccef721167bd4fd4e00c2653cfd76337cf1bd4111526b86c3439a56f
SSDEEP 768:+3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:25tPusSRJDTlLTOpJiaDjts4gfFi2+A
TLSH
T1CF430721F7AD4034F39A4AF919B1CB9C41B73E35AD609507530BDCAF1E312E1A9A4B07
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 888 set thread context of 3424	888	tmpymsyv0s6.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3824	3328	WerFault.exe	88

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	tmpymsyv0s6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpymsyv0s6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3328	winver.exe
3328	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3256	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3256	Explorer.EXE
Token: SeCreatePagefilePrivilege	3256	Explorer.EXE
Token: SeShutdownPrivilege	3256	Explorer.EXE
Token: SeCreatePagefilePrivilege	3256	Explorer.EXE
Token: SeShutdownPrivilege	3256	Explorer.EXE
Token: SeCreatePagefilePrivilege	3256	Explorer.EXE
Token: SeShutdownPrivilege	3256	Explorer.EXE
Token: SeCreatePagefilePrivilege	3256	Explorer.EXE
Token: SeShutdownPrivilege	3256	Explorer.EXE
Token: SeCreatePagefilePrivilege	3256	Explorer.EXE
Token: SeShutdownPrivilege	3256	Explorer.EXE
Token: SeCreatePagefilePrivilege	3256	Explorer.EXE
Token: SeShutdownPrivilege	3256	Explorer.EXE
Token: SeCreatePagefilePrivilege	3256	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3328	winver.exe
3256	Explorer.EXE
3256	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
888	tmpymsyv0s6.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3256	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 3424	888	tmpymsyv0s6.exe	87
PID 888 wrote to memory of 3424	888	tmpymsyv0s6.exe	87
PID 888 wrote to memory of 3424	888	tmpymsyv0s6.exe	87
PID 3424 wrote to memory of 3328	3424	tmpymsyv0s6.exe	88
PID 3328 wrote to memory of 3256	3328	winver.exe	56
PID 3328 wrote to memory of 2364	3328	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2364

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3256
- C:\Users\Admin\AppData\Local\Temp\tmpymsyv0s6.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpymsyv0s6.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:888
- - C:\Users\Admin\AppData\Local\Temp\tmpymsyv0s6.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpymsyv0s6.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3424
  - - 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:3328
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 400
        5⤵
        Program crash
        
        PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3328 -ip 3328
1⤵
PID:4960

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

Replay Monitor

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Downloads

memory/2364-14-0x0000000000400000-0x0000000000406000-memory.dmp

Download

memory/2364-19-0x00007FFC4D810000-0x00007FFC4D811000-memory.dmp

Download

memory/2364-18-0x0000000000400000-0x0000000000406000-memory.dmp

Download

memory/2364-15-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/3256-10-0x00007FFC4D68D000-0x00007FFC4D68E000-memory.dmp

Download

memory/3256-8-0x0000000002A00000-0x0000000002A06000-memory.dmp

Download

memory/3256-11-0x00007FFC4D820000-0x00007FFC4D821000-memory.dmp

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memory/3256-3-0x0000000002A00000-0x0000000002A06000-memory.dmp

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memory/3256-20-0x00007FFC4D810000-0x00007FFC4D811000-memory.dmp

Download

memory/3328-7-0x0000000000450000-0x0000000000456000-memory.dmp

Download

memory/3328-9-0x0000000077732000-0x0000000077733000-memory.dmp

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memory/3328-16-0x0000000000450000-0x0000000000456000-memory.dmp

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memory/3328-4-0x0000000000450000-0x0000000000456000-memory.dmp

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memory/3424-2-0x0000000000400000-0x0000000000405000-memory.dmp

Download