18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764

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, 01:22

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
tmpsr1v7mbi.exe
Size 225KB
Sample260602-bre3jaav7w
SHA256 18721d61daa28980df1d0b130314af60f436bb7c55ac1ae89b351f630b483764
MD5 e6d89673f46211c529e7aa80a703194a
SHA1 457aeab6c65934a78f93bcdf80758c3fe883cb08
SHA512 4190b1d8e6e321584f2389af685446fb6a30edaacb889530f10305b23b0814a71fa47487bcb49a3e319066bf55af837fc9a8a6bc794d5db4dae62c7ac66c98c4
SSDEEP 6144:dA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:dATuTAnKGwUAW3ycQqgf
TLSH
T17C346B31B7D0C435F5F213F449F652ABAA393DA16B34A0CB62D126EA5A346D8EC30357
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
3276	4196	WerFault.exe	103
4224	836	WerFault.exe	85

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpsr1v7mbi.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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3308	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3308	Explorer.EXE
Token: SeCreatePagefilePrivilege	3308	Explorer.EXE
Token: SeShutdownPrivilege	3308	Explorer.EXE
Token: SeCreatePagefilePrivilege	3308	Explorer.EXE
Token: SeShutdownPrivilege	3308	Explorer.EXE
Token: SeCreatePagefilePrivilege	3308	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4196	winver.exe
836	tmpsr1v7mbi.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3308	Explorer.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 4196	836	tmpsr1v7mbi.exe	103
PID 4196 wrote to memory of 3308	4196	winver.exe	56
PID 836 wrote to memory of 3308	836	tmpsr1v7mbi.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3308
- C:\Users\Admin\AppData\Local\Temp\tmpsr1v7mbi.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpsr1v7mbi.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4196
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 300
      4⤵
      Program crash
      PID:3276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 860
    3⤵
    - Program crash
    PID:4224

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4196 -ip 4196
1⤵
PID:3260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 836 -ip 836
1⤵
PID:2612

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/836-1-0x0000000004A70000-0x00000000050C8000-memory.dmp

Download

memory/836-2-0x0000000004900000-0x0000000004901000-memory.dmp

Download

memory/836-3-0x0000000004A70000-0x00000000050C8000-memory.dmp

Download

memory/836-4-0x0000000004900000-0x0000000004901000-memory.dmp

Download

memory/836-8-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/836-15-0x0000000004A70000-0x00000000050C8000-memory.dmp

Download

memory/3308-6-0x0000000002D80000-0x0000000002D86000-memory.dmp

Download

memory/3308-7-0x0000000002D80000-0x0000000002D86000-memory.dmp

Download

memory/3308-12-0x0000000002D90000-0x0000000002D96000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads