a768057aded61cbfbae343bfcefdbee02db4d0ea61183933803821375791d271

Analysis

max time kernel
92s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 16:28

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General

Target

ThirdParty/vgmstream/libvorbis.dll
Size

186KB
MD5

e0ac0b142a5fd463c1f2ff0f44d4faad
SHA1

eba44741ba90c9dbe1e567f4fa77ffa8b1d9f6ea
SHA256

a095e102c5f737d68fce9cf2f689f25a2ae178d3eea38cc4563faf2e55243d8d
SHA512

3eef766f875360e0e99af1ff06a0f19953084999de25ab00f4bc85b869556aa57549676145cb8359e605ea0116edfdd080779aebde21b965cd8cbecc2da42298
SSDEEP

3072:amBscDpw5xDaGONAOa4/SxYtuwjSbPmWzMR0InZ:amBKkGO5S9wj64R0Y

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3248	4420	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 4420	5048	rundll32.exe	83
PID 5048 wrote to memory of 4420	5048	rundll32.exe	83
PID 5048 wrote to memory of 4420	5048	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ThirdParty\vgmstream\libvorbis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ThirdParty\vgmstream\libvorbis.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 600
    3⤵
    - Program crash
    PID:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4420 -ip 4420
1⤵
PID:3436

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/4420-0-0x0000000066D80000-0x0000000066DB3000-memory.dmp

Filesize
204KB

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