241d5e932144d6bf59010cad15af1524ea22da9152d3ab6f1639a8d47be28000

Analysis

max time kernel
116s
max time network
173s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250128-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
10/02/2025, 04:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

VirusSign.2023.11.29/04d25950be48329252ec8b3d53535596.exe
Size

123KB
MD5

04d25950be48329252ec8b3d53535596
SHA1

67a1354b37307912849be0b07a67049cc97a341f
SHA256

ad983be72d099c4e0e9c9afad9f84c1d163eb1d2e01c2b0b311335d16a368d38
SHA512

02aed4c430b728cad12964e4611d7eea673e2c7eae7ea9a8ea616948b4081459a308070d824ff4b5f7f52ff2669715d074c6071ee57679a3727c5f3ce2d65467
SSDEEP

3072:PfU/WF6QMauSuiWNi9CO+WARJrWNZIYvQd2b:AWKauSuiWNiUBRJrW7fb

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2780138426-956448432-1440988935-1000\Control Panel\International\Geo\Nation	04d25950be48329252ec8b3d53535596.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	wuauclt.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	04d25950be48329252ec8b3d53535596.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	04d25950be48329252ec8b3d53535596.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuauclt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 2784	5036	04d25950be48329252ec8b3d53535596.exe	82
PID 5036 wrote to memory of 2784	5036	04d25950be48329252ec8b3d53535596.exe	82
PID 5036 wrote to memory of 2784	5036	04d25950be48329252ec8b3d53535596.exe	82
PID 5036 wrote to memory of 1316	5036	04d25950be48329252ec8b3d53535596.exe	91
PID 5036 wrote to memory of 1316	5036	04d25950be48329252ec8b3d53535596.exe	91
PID 5036 wrote to memory of 1316	5036	04d25950be48329252ec8b3d53535596.exe	91

C:\Users\Admin\AppData\Local\Temp\VirusSign.2023.11.29\04d25950be48329252ec8b3d53535596.exe
"C:\Users\Admin\AppData\Local\Temp\VirusSign.2023.11.29\04d25950be48329252ec8b3d53535596.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5036
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2784
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\VirusSign.2023.11.29\04d25950be48329252ec8b3d53535596.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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

C:\ProgramData\Update\wuauclt.exe

Filesize
123KB

MD5
fa8d9eea650bf647552557dab28174fc

SHA1
e307f50bc6157a5372244325ede645817230667f

SHA256
e32313efbb1eef78a70d42c41851173faef4b91442fcda980a6aec3a9cb8b365

SHA512
ff6bd0f72ff26871d812416298a0f0c9deaae1b85f4a03039c6de84a2333d6acf2c90987b50c0a1a6aa73169e71c0c04ff28bc4aa396ab5ac38252a2756ea260

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads