aff3e08b50336ce6a1cfe39c45d32d918dc6f190662aef666addb193f44d47a8

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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

Deletes itself 1 IoCs

pid	Process
2760	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	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
2768	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
2176	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2736	Windows Update Service.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	7621266dff8a6ed77a89bf540aa04817.exe
Token: SeDebugPrivilege	2736	Windows Update Service.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2176	2368	7621266dff8a6ed77a89bf540aa04817.exe	31
PID 2368 wrote to memory of 2176	2368	7621266dff8a6ed77a89bf540aa04817.exe	31
PID 2368 wrote to memory of 2176	2368	7621266dff8a6ed77a89bf540aa04817.exe	31
PID 2368 wrote to memory of 2736	2368	7621266dff8a6ed77a89bf540aa04817.exe	33
PID 2368 wrote to memory of 2736	2368	7621266dff8a6ed77a89bf540aa04817.exe	33
PID 2368 wrote to memory of 2736	2368	7621266dff8a6ed77a89bf540aa04817.exe	33
PID 2368 wrote to memory of 2760	2368	7621266dff8a6ed77a89bf540aa04817.exe	34
PID 2368 wrote to memory of 2760	2368	7621266dff8a6ed77a89bf540aa04817.exe	34
PID 2368 wrote to memory of 2760	2368	7621266dff8a6ed77a89bf540aa04817.exe	34
PID 2760 wrote to memory of 2768	2760	cmd.exe	36
PID 2760 wrote to memory of 2768	2760	cmd.exe	36
PID 2760 wrote to memory of 2768	2760	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\7621266dff8a6ed77a89bf540aa04817.exe
"C:\Users\Admin\AppData\Local\Temp\7621266dff8a6ed77a89bf540aa04817.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368
- 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:2176
- 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:2736
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpF3D1.tmp.bat""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\system32\timeout.exe
    timeout 7
    3⤵
    - Delays execution with timeout.exe
    PID:2768

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

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\tmpF3D1.tmp.bat

Filesize
184B

MD5
c0c86604f9e3ded026f7d77d64d4584b

SHA1
8421ba1015f097631378fbb69d3385e93361aba4

SHA256
e1a95f522d0d3a16a2a1c174559da04407683a22e6d719eae2b8872aa5a0c206

SHA512
4ab91a35dbc82d5acf46b758f05a55719f585b686f872cfafa1cdf2de4ce3134052114a944a8bfc33c15caacda2f9c03a1747d939b99fc1ab46c9bec17135d05

Download Submit
memory/2368-0-0x000007FEF50B3000-0x000007FEF50B4000-memory.dmp

Filesize
4KB

Download
memory/2368-1-0x0000000000100000-0x00000000001B2000-memory.dmp

Filesize
712KB

Download
memory/2368-2-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

Filesize
9.9MB

Download
memory/2368-15-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

Filesize
9.9MB

Download
memory/2736-16-0x0000000000130000-0x00000000001E2000-memory.dmp

Filesize
712KB

Download
memory/2736-17-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

Filesize
9.9MB

Download
memory/2736-18-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

Filesize
9.9MB

Download
memory/2736-20-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

Filesize
9.9MB

Download
memory/2736-21-0x000007FEF50B0000-0x000007FEF5A9C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads