1a6113afd271fedcc38f43b9e34f9c80c6bad91cc2a9dccaacbb16060caa3abd

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11-07-2024 04:18

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General

Target

wwlib.dll
Size

1.1MB
MD5

89e431164bfa94df1b309dfdca5d2d18
SHA1

6c7a7e82b561f236d63c1a3a58a0c28f0e11053a
SHA256

9bae1cfdb552683ac327b882e09e65d0986137c3168481963b1e45ebcfee69f1
SHA512

08f17c6fdbe40fed0c6f8209dfaad359264aad9c51c5a8e33e2aaf4be744d4d3f4bcb930666f6c6e7ef8dba0494b563ff1f9504ed615b5f506414246ef2f76ee
SSDEEP

12288:PHsqgkjX2L+zuFiikuunL/y5hI3Cy0TIBCjfVsX2UuQEXB81Da:PHU+2sN4hI3Cy0MByfVsGI

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\word = "C:\\Windows\\SysWOW64\\rundll32.exe"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rundll32.ini	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1916	1224	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 1224	836	rundll32.exe	84
PID 836 wrote to memory of 1224	836	rundll32.exe	84
PID 836 wrote to memory of 1224	836	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wwlib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\wwlib.dll,#1
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  PID:1224
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 572
    3⤵
    - Program crash
    PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1224 -ip 1224
1⤵
PID:3224

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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