0d878f4ba9ea44b0f29dc5b643241549e5ff7624c22b5a3639d380f8c4f5acc4

Analysis

max time kernel
149s
max time network
150s
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, 11:31

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General

Target
tmpjtr3we4k.exe
Size 225KB
Sample260522-nmvcwact2v
SHA256 0d878f4ba9ea44b0f29dc5b643241549e5ff7624c22b5a3639d380f8c4f5acc4
MD5 a8c8f2bb91a5032656ab33f15ac37497
SHA1 9b7047806d1a86f2e2622c89647293abc15b4b28
SHA512 d1ce2bb8b40aa11a571682ac19e9bd5a4c9165827891a7502a87d9724d724e102d2cb8096c20a96f1eee35e28464c176cc7d21ef872a7af5a9e473fc7faed2bb
SSDEEP 6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:nATuTAnKGwUAW3ycQqgf
TLSH
T1E5346B31B7D0C435F5F213F449F652ABAA393DA16B34A0CB62D126EA5A346D8EC30357
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3852	5100	WerFault.exe	85
4744	2764	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	tmpjtr3we4k.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3368	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5100	winver.exe
2764	tmpjtr3we4k.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 5100	2764	tmpjtr3we4k.exe	85
PID 5100 wrote to memory of 3368	5100	winver.exe	57
PID 2764 wrote to memory of 3368	2764	tmpjtr3we4k.exe	57

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Users\Admin\AppData\Local\Temp\tmpjtr3we4k.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpjtr3we4k.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 312
      4⤵
      Program crash
      PID:3852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 900
    3⤵
    - Program crash
    PID:4744

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5100 -ip 5100
1⤵
PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2764 -ip 2764
1⤵
PID:4116

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2764-1-0x0000000004A50000-0x00000000050A8000-memory.dmp

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memory/2764-2-0x0000000003D70000-0x0000000003D71000-memory.dmp

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memory/2764-6-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/2764-12-0x0000000004A50000-0x00000000050A8000-memory.dmp

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memory/3368-5-0x0000000001250000-0x0000000001256000-memory.dmp

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memory/3368-4-0x0000000001250000-0x0000000001256000-memory.dmp

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memory/3368-9-0x0000000001230000-0x0000000001236000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads