aff3e08b50336ce6a1cfe39c45d32d918dc6f190662aef666addb193f44d47a8

Analysis

max time kernel
140s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:13

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General

Target

7621266dff8a6ed77a89bf540aa04817.exe
Size

690KB
MD5

7621266dff8a6ed77a89bf540aa04817
SHA1

667a52b0c561ec9a378706be7d5f556b44516c3c
SHA256

ec8db8b10723987c0e27aed520f12d33fff005271b82660969eabf1bfbbd4441
SHA512

9fe8a982bebb3f9316fdfd24f6d990625f521674e43f0dd5e14d3af18a77320d747565ed803626ef94b055c9a9442d9a36da0eda5daa7fd991f9bf38fad89f90
SSDEEP

12288:n2QRXDD1yed0fsU4GSWgOvPESGj4s32xEdRCSkeA0plGImZV5SAw2izK:n2Q9NXw2/wPOjdGxY4DFwde

Score

7^/10

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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	7621266dff8a6ed77a89bf540aa04817.exe

Executes dropped EXE 1 IoCs

pid	Process
4596	Windows Update Service.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\Microsoft\Windows\CurrentVersion\Run\Windows Update Service = "C:\\ProgramData\\Windows Update Service\\Windows Update Service.exe"	7621266dff8a6ed77a89bf540aa04817.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2804	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1460	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4596	Windows Update Service.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	7621266dff8a6ed77a89bf540aa04817.exe
Token: SeDebugPrivilege	4596	Windows Update Service.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 1460	740	7621266dff8a6ed77a89bf540aa04817.exe	88
PID 740 wrote to memory of 1460	740	7621266dff8a6ed77a89bf540aa04817.exe	88
PID 740 wrote to memory of 4596	740	7621266dff8a6ed77a89bf540aa04817.exe	92
PID 740 wrote to memory of 4596	740	7621266dff8a6ed77a89bf540aa04817.exe	92
PID 740 wrote to memory of 4652	740	7621266dff8a6ed77a89bf540aa04817.exe	93
PID 740 wrote to memory of 4652	740	7621266dff8a6ed77a89bf540aa04817.exe	93
PID 4652 wrote to memory of 2804	4652	cmd.exe	95
PID 4652 wrote to memory of 2804	4652	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\7621266dff8a6ed77a89bf540aa04817.exe
"C:\Users\Admin\AppData\Local\Temp\7621266dff8a6ed77a89bf540aa04817.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks.exe" /create /tn Windows Update Service /tr "C:\ProgramData\Windows Update Service\Windows Update Service.exe" /st 06:27 /du 23:59 /sc daily /ri 1 /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1460
- C:\ProgramData\Windows Update Service\Windows Update Service.exe
  "C:\ProgramData\Windows Update Service\Windows Update Service.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:4596
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8462.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4652
- - C:\Windows\system32\timeout.exe
    timeout 7
    3⤵
    - Delays execution with timeout.exe
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Windows Update Service\Windows Update Service.exe

Filesize
690KB

MD5
7621266dff8a6ed77a89bf540aa04817

SHA1
667a52b0c561ec9a378706be7d5f556b44516c3c

SHA256
ec8db8b10723987c0e27aed520f12d33fff005271b82660969eabf1bfbbd4441

SHA512
9fe8a982bebb3f9316fdfd24f6d990625f521674e43f0dd5e14d3af18a77320d747565ed803626ef94b055c9a9442d9a36da0eda5daa7fd991f9bf38fad89f90

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8462.tmp.bat

Filesize
184B

MD5
e19aa988c1dc562b917dfe9c58921ab6

SHA1
0934a8920a73a61a021746ef6ad76f02f386760b

SHA256
955b4aa71c5a795ea313fb987f97851cdb3d476644504bef5615ec1295c599bd

SHA512
cafe201a148d6314d0793e222b5f9c3772862131036162d6f1d60d233950c4d5cabb1bb3c02915f18b3f471c4d9e1c5212c643a044e53654b36aee8ffc5b0403

Download Submit
memory/740-0-0x00007FFAC8083000-0x00007FFAC8085000-memory.dmp

Filesize
8KB

Download
memory/740-1-0x0000019517190000-0x0000019517242000-memory.dmp

Filesize
712KB

Download
memory/740-2-0x00007FFAC8080000-0x00007FFAC8B41000-memory.dmp

Filesize
10.8MB

Download
memory/740-18-0x00007FFAC8080000-0x00007FFAC8B41000-memory.dmp

Filesize
10.8MB

Download
memory/4596-17-0x00007FFAC8080000-0x00007FFAC8B41000-memory.dmp

Filesize
10.8MB

Download
memory/4596-19-0x00007FFAC8080000-0x00007FFAC8B41000-memory.dmp

Filesize
10.8MB

Download
memory/4596-21-0x00007FFAC8080000-0x00007FFAC8B41000-memory.dmp

Filesize
10.8MB

Download
memory/4596-22-0x00007FFAC8080000-0x00007FFAC8B41000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads