29bfb7d1c765b13b3b083a0dc68c4571d06d5a02dbad1d13dded5872a00d7648

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/01/2024, 05:59

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General

Target

66e06158b8a17204768317078a1abc1f.dll
Size

304KB
MD5

66e06158b8a17204768317078a1abc1f
SHA1

8d48b0e25ac44df5af93d6dc3673034134589b0f
SHA256

29bfb7d1c765b13b3b083a0dc68c4571d06d5a02dbad1d13dded5872a00d7648
SHA512

dd328644767fb15d25c342f18eff0ba79fda884e92f8b0f02b1227751122cfede0c5165063fbb635148d069ff079d699d9eaa20612db7556b5ea5c2b4db1f55a
SSDEEP

6144:S+EHysdJ2RufFdqumfQviReW4sYsmpddARI/fhnBxD:SsRMlSInhn

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 = "{6792E465-AABE-4B82-A217-27674E0A412C}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6792E465-AABE-4B82-A217-27674E0A412C}\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\{6792E465-AABE-4B82-A217-27674E0A412C}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6792E465-AABE-4B82-A217-27674E0A412C}\InProcServer32\ = "C:\\Windows\\bdkpfxqw.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 1784	1588	rundll32.exe	28
PID 1588 wrote to memory of 1784	1588	rundll32.exe	28
PID 1588 wrote to memory of 1784	1588	rundll32.exe	28
PID 1588 wrote to memory of 1784	1588	rundll32.exe	28
PID 1588 wrote to memory of 1784	1588	rundll32.exe	28
PID 1588 wrote to memory of 1784	1588	rundll32.exe	28
PID 1588 wrote to memory of 1784	1588	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66e06158b8a17204768317078a1abc1f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\66e06158b8a17204768317078a1abc1f.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:1784

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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