672548ff4ad14da8e0ffe43cd7323ee2a9b2e1c49db2b70b89d207a0d765cc08

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
02/06/2026, 00:30

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General

Target
tmpvz5pb2bz.exe
Size 54KB
Sample260602-atkkcsbs9k
SHA256 672548ff4ad14da8e0ffe43cd7323ee2a9b2e1c49db2b70b89d207a0d765cc08
MD5 f5b6b173c7b1e3e08345135ce265ea80
SHA1 3c529ecff890428411393b73f5db35b79ed1c992
SHA512 c51efb69bd1376b514502e7cc9844667b02ddfff6cf42ce0af738f0c5301f25bc259307b7c579ae12e4b1979262d0663222eee131eae5dbe4a2cdeab8538d6d4
SSDEEP 768:f3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:P5tPusSRJDTlLTOpJiaDjts4gfFi2+A
TLSH
T1D5430721F7AD4034F39A4AF919B1CB9C41B73E35AD60950B530BDCAF1E312E1A9A4B07
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1784 set thread context of 60	1784	tmpvz5pb2bz.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
668	1912	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpvz5pb2bz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpvz5pb2bz.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1912	winver.exe
1912	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3312	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3312	Explorer.EXE
Token: SeCreatePagefilePrivilege	3312	Explorer.EXE
Token: SeShutdownPrivilege	3312	Explorer.EXE
Token: SeCreatePagefilePrivilege	3312	Explorer.EXE
Token: SeShutdownPrivilege	3312	Explorer.EXE
Token: SeCreatePagefilePrivilege	3312	Explorer.EXE
Token: SeShutdownPrivilege	3312	Explorer.EXE
Token: SeCreatePagefilePrivilege	3312	Explorer.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1912	winver.exe
3312	Explorer.EXE
3312	Explorer.EXE
3312	Explorer.EXE
3312	Explorer.EXE
3312	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3312	Explorer.EXE
3312	Explorer.EXE
3312	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1784	tmpvz5pb2bz.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3312	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 60	1784	tmpvz5pb2bz.exe	87
PID 1784 wrote to memory of 60	1784	tmpvz5pb2bz.exe	87
PID 1784 wrote to memory of 60	1784	tmpvz5pb2bz.exe	87
PID 60 wrote to memory of 1912	60	tmpvz5pb2bz.exe	88
PID 1912 wrote to memory of 3312	1912	winver.exe	56
PID 1912 wrote to memory of 3000	1912	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
PID:3312
- C:\Users\Admin\AppData\Local\Temp\tmpvz5pb2bz.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpvz5pb2bz.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Users\Admin\AppData\Local\Temp\tmpvz5pb2bz.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpvz5pb2bz.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:60
  - - 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:1912
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 388
        5⤵
        Program crash
        
        PID:668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1912 -ip 1912
1⤵
PID:4896

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/60-2-0x0000000000400000-0x0000000000405000-memory.dmp

Download

memory/1912-4-0x0000000000A30000-0x0000000000A36000-memory.dmp

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memory/1912-9-0x0000000077772000-0x0000000077773000-memory.dmp

Download

memory/1912-7-0x0000000000A30000-0x0000000000A36000-memory.dmp

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memory/1912-17-0x0000000000A30000-0x0000000000A36000-memory.dmp

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memory/3000-14-0x0000000000660000-0x0000000000666000-memory.dmp

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memory/3000-15-0x0000000000660000-0x0000000000666000-memory.dmp

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memory/3000-19-0x00007FFB9E350000-0x00007FFB9E351000-memory.dmp

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memory/3312-10-0x00007FFB9E1CD000-0x00007FFB9E1CE000-memory.dmp

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memory/3312-8-0x00000000008F0000-0x00000000008F6000-memory.dmp

Download

memory/3312-3-0x00000000008F0000-0x00000000008F6000-memory.dmp

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memory/3312-11-0x00007FFB9E360000-0x00007FFB9E361000-memory.dmp

Download

memory/3312-20-0x00007FFB9E350000-0x00007FFB9E351000-memory.dmp

Download