f7afd55b848182e25cc0fa4cbc519c1c9854c51c9cf8c1bc95481eb0470da556

Analysis

max time kernel
148s
max time network
130s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/08/2026, 03:20

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General

Target
f7afd55b848182e25cc0fa4cbc519c1c9854c51c9cf8c1bc95481eb0470da556.dll
Size 3.4MB
Sample260827-dvs5nsdk3w
SHA256 f7afd55b848182e25cc0fa4cbc519c1c9854c51c9cf8c1bc95481eb0470da556
MD5 abdf8e4c32fcbdab6dd8433d6db0ea8c
SHA1 bfc6a2f5cfdd2118db1344feb807dcd43656a0d2
SHA512 7d51fbd8a4b9a67d8ed89256e0ec8b3284e1b040b566de8dc421f6ae1389885912c75b83eb3e2f7d4c075bf45ac21cc45408437b86959f7a408b904f856eb912
SSDEEP 49152:WqqXV1GxahnAj4CjDNQE3AjOhIOM0gsj0W5qx6tmBfnh8xW/ftmSmpN0lLU+WSup:Gl1vqjnjDNQ0AUm0G6tmJVq0TuyOh
TLSH
T1A5F5224DE64311F1D21796B44C9FD3BBD724B22580269EF7EF8EEE4578337026A8019A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution persistence

Malware Config

Signatures

Badlisted process makes network request 3 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
3	5664	rundll32.exe
11	5664	rundll32.exe
14	5664	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefenderUpdate = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\7zG.exe\" a \"C:\\Users\\Admin\\AppData\\Local\\Temp\\t.7z\" \"C:\\Users\\Admin\\AppData\\Local\\Temp\\7zxa.dll\""	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefenderUpdate = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\7zG.exe\" a \"C:\\Users\\Admin\\AppData\\Local\\Temp\\t.7z\" \"C:\\Users\\Admin\\AppData\\Local\\Temp\\7zxa.dll\""	rundll32.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4988	cmd.exe

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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 5648	4252	regsvr32.exe	89
PID 5648 wrote to memory of 4988	5648	regsvr32.exe	90
PID 4988 wrote to memory of 5664	4988	cmd.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f7afd55b848182e25cc0fa4cbc519c1c9854c51c9cf8c1bc95481eb0470da556.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f7afd55b848182e25cc0fa4cbc519c1c9854c51c9cf8c1bc95481eb0470da556.dll
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5648
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c start "" rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f7afd55b848182e25cc0fa4cbc519c1c9854c51c9cf8c1bc95481eb0470da556.dll",Beacon
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4988
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f7afd55b848182e25cc0fa4cbc519c1c9854c51c9cf8c1bc95481eb0470da556.dll",Beacon
      4⤵
      Badlisted process makes network request
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:5664

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

sideload_ok.txt

Path C:\Users\Admin\AppData\Local\Temp\sideload_ok.txt
Size 33B
SHA256 828c2a65d6a37befc2c55a581bc36a71443354957d6f57f0a662395f501c9350
MD5 3c676eb7d228e6695d8413f125cd8bd7
SHA1 45102020217a33c1594c6724bc809ae372d5ecf7
SHA512 c1bde4b93bc5153a90718829dae366fa2948394db283b68c4c8f764967f978a749fc5e56b02212d41ec1db2405f91a79abbccb5b7a573bcfaf706886eb33a3b7
MD5 SHA1 SHA512

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memory/5664-3-0x0000000074DB0000-0x000000007511F000-memory.dmp

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memory/5664-9-0x0000000074DB0000-0x000000007511F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads