1253a9fbc54f9dc6cfff28350ae4ea37a7969bc9b0ef9e6b70edfbe5e4b1ae56

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 16:11

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General

Target

4972d0c91d1557e19dd23f3bd04d0860.dll
Size

220KB
MD5

4972d0c91d1557e19dd23f3bd04d0860
SHA1

525bede59326660741d7341b3e426f9ad412c182
SHA256

1253a9fbc54f9dc6cfff28350ae4ea37a7969bc9b0ef9e6b70edfbe5e4b1ae56
SHA512

79abc40ed3ab5ec27bbde7a996f700401bdd4a926a2d570f9bc85335a44ed86d5313e28378434f1347688555abc1427fd1fd7a04de85bed946ee5b3b512bcbf8
SSDEEP

3072:zBTAkIz55aySsJ+zwobRx4nPfuQAYqN1SlwKzsOkxr8m2h6t3XxnU:jcnvq84zxr8d4BU

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\vregfwlx = "{0DAF6F63-C43F-4F1F-BE69-21386DD93394}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0DAF6F63-C43F-4F1F-BE69-21386DD93394}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0DAF6F63-C43F-4F1F-BE69-21386DD93394}\InProcServer32\ = "C:\\Windows\\vregfwlx.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0DAF6F63-C43F-4F1F-BE69-21386DD93394}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 4828	4700	rundll32.exe	16
PID 4700 wrote to memory of 4828	4700	rundll32.exe	16
PID 4700 wrote to memory of 4828	4700	rundll32.exe	16

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4972d0c91d1557e19dd23f3bd04d0860.dll,#1
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Modifies registry class
PID:4828

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4972d0c91d1557e19dd23f3bd04d0860.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4700

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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