bb54d934fb889f8ee44c4dfd86cec68b92a95415ad13b3068035f2ec6f381804

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 00:07

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General

Target

MP4转换器/codecs/CtWbJpg.dll
Size

80KB
MD5

6278b09113454bc3fedbaf273871c62d
SHA1

15ef46ddb2360b603c49e03f0ce7a9f8f756f626
SHA256

218fdeaabacd9cc80fbc89c4fe189152668d65500c7895b4592fb15262292bad
SHA512

96447531758ba38f49d2fc35fd7fbd0d051136312d14b4560028134c9cae3711bc609bdb78268d3463cd09649a4e0c49f1099c07a6b150e1ee832e24014ffb16
SSDEEP

1536:tlI325Xz1yUSuvLUpdLUp0aBu7lI2F/5co0OZtuxo3bqy:j/z54pupNBuG2Z5co9ZtiO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1628	2552	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 1700 wrote to memory of 2552	1700	rundll32.exe	30
PID 2552 wrote to memory of 1628	2552	rundll32.exe	31
PID 2552 wrote to memory of 1628	2552	rundll32.exe	31
PID 2552 wrote to memory of 1628	2552	rundll32.exe	31
PID 2552 wrote to memory of 1628	2552	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\CtWbJpg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\CtWbJpg.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 232
    3⤵
    - Program crash
    PID:1628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2552-0-0x0000000000390000-0x0000000000417000-memory.dmp

Filesize
540KB

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