efccd9e2fe74a303b57389010932687e0050af3cb19eff81c60de4f997b43fb8

Analysis

max time kernel
135s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 14:24

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General

Target

9be8df56f972fcc2de7c313517e628f0.dll
Size

340KB
MD5

9be8df56f972fcc2de7c313517e628f0
SHA1

1476f674025eefdbf6cb152b568c07f7cf845d1f
SHA256

efccd9e2fe74a303b57389010932687e0050af3cb19eff81c60de4f997b43fb8
SHA512

972460f9691ba094f0d0dfcb7fa13d1c84b98e256647e3c86368a5e77c9aecb03237163e6bb67882e983134a1934b455ace5dfb5f6967cf51298f23370057e73
SSDEEP

3072:zot6LU9mcFlk/hPOvvr8ishBdR7mRN/6Qb6tJEv/G0A6W8FbP3MbEpsRJyRKcEVB:M62vjhCBblQbnvXd8JyWWdGFC3Je

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\bdkpfxqw = "{89B8CF6F-6DE6-4BE2-BEFE-543E9F26AE8F}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89B8CF6F-6DE6-4BE2-BEFE-543E9F26AE8F}\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\{89B8CF6F-6DE6-4BE2-BEFE-543E9F26AE8F}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89B8CF6F-6DE6-4BE2-BEFE-543E9F26AE8F}\InProcServer32\ = "C:\\Windows\\bdkpfxqw.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 3392	4328	rundll32.exe	85
PID 4328 wrote to memory of 3392	4328	rundll32.exe	85
PID 4328 wrote to memory of 3392	4328	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9be8df56f972fcc2de7c313517e628f0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9be8df56f972fcc2de7c313517e628f0.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:3392

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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