5403089ea8abec9a9b3e7377db420f3fe64f9aa99ac1f521e027e93a6559c422

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 23:26

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General

Target

a09e51639535870e1657950369739155.dll
Size

264KB
MD5

a09e51639535870e1657950369739155
SHA1

27ec147586ba7f8dd9dfdc80078b6cd1981aba13
SHA256

5403089ea8abec9a9b3e7377db420f3fe64f9aa99ac1f521e027e93a6559c422
SHA512

b72c7aaa5d2fceabf3ea4e01df278f094284af357f081668bdca14917e2ff353bea2bda9e32912eacbe6fc1931fe6e9d8b4075701b4ae43d06365e913e9a0121
SSDEEP

3072:zy26eu1sMb8wN57n2uadQ4lqw9oNXzKOXsjJkyhotRHP8ycVZc+BxtzDCw8:zyfzgOfyhKv8ycVZV/u

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\vbgtorfd = "{272D96D7-8517-4A6E-B5D1-A69C1440959C}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{272D96D7-8517-4A6E-B5D1-A69C1440959C}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{272D96D7-8517-4A6E-B5D1-A69C1440959C}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{272D96D7-8517-4A6E-B5D1-A69C1440959C}\InProcServer32\ = "C:\\Windows\\vbgtorfd.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2420	1316	rundll32.exe	28
PID 1316 wrote to memory of 2420	1316	rundll32.exe	28
PID 1316 wrote to memory of 2420	1316	rundll32.exe	28
PID 1316 wrote to memory of 2420	1316	rundll32.exe	28
PID 1316 wrote to memory of 2420	1316	rundll32.exe	28
PID 1316 wrote to memory of 2420	1316	rundll32.exe	28
PID 1316 wrote to memory of 2420	1316	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a09e51639535870e1657950369739155.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a09e51639535870e1657950369739155.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:2420

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

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads