a768057aded61cbfbae343bfcefdbee02db4d0ea61183933803821375791d271

Analysis

max time kernel
141s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 16:28

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General

Target

ThirdParty/vgmstream/libmpg123-0.dll
Size

197KB
MD5

f4dfc8c796694676dd702549c6db1f1e
SHA1

e57bafc6f52e08e797a4af5344415d4af93014ce
SHA256

0ed3cbb7da7483a624a63125986d5286e6f2bb2635a3e69640e5f1d5c4ae3e8a
SHA512

9342fe1353a63b190ca1449d9c81a577df7433d6be4db029e081b7dd81f93117a279866fc95ef42eaeba57eab027a6740381fd9399f9e4b913a923b937cc61f3
SSDEEP

6144:8Y0fUvq91hOuI3keKM8ON6bcPZRXi+Jbq:QfUvq91hOuGHJRRXiWO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2684	2456	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 1316 wrote to memory of 2456	1316	rundll32.exe	30
PID 1316 wrote to memory of 2456	1316	rundll32.exe	30
PID 1316 wrote to memory of 2456	1316	rundll32.exe	30
PID 1316 wrote to memory of 2456	1316	rundll32.exe	30
PID 1316 wrote to memory of 2456	1316	rundll32.exe	30
PID 1316 wrote to memory of 2456	1316	rundll32.exe	30
PID 1316 wrote to memory of 2456	1316	rundll32.exe	30
PID 2456 wrote to memory of 2684	2456	rundll32.exe	31
PID 2456 wrote to memory of 2684	2456	rundll32.exe	31
PID 2456 wrote to memory of 2684	2456	rundll32.exe	31
PID 2456 wrote to memory of 2684	2456	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ThirdParty\vgmstream\libmpg123-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ThirdParty\vgmstream\libmpg123-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 224
    3⤵
    - Program crash
    PID:2684

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/2456-0-0x0000000066240000-0x0000000066286000-memory.dmp

Filesize
280KB

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