ff48ac79694763399ca62a98f71e9d95a0546a6e37d230c82912a46cafc03750

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
22/05/2026, 02:47

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General

Target
libs/libmpg123-0.dll
Size 333KB
Sample260522-daa4csfy2t
SHA256 ff48ac79694763399ca62a98f71e9d95a0546a6e37d230c82912a46cafc03750
MD5 66604278c11dd896ac123174c4b13ef9
SHA1 5a865b0515b5f0c8049aa31ded5e7f92c57c8245
SHA512 d78964b67ec4505debd1e599d3fbb4f45d79c541f33996ddaf8430772c371bccda6a6684f3b07ce5c2144873cc71b2f56ed2b6c94f70829d4be9fc6e51e37064
SSDEEP 6144:UOzjhLt+C2sIC4Sfar9fqTKb+HFXijMLDTI0YrMK:3b+uIrSfaJfqFHFXigPkvH
TLSH
T10F749F81E28745E2C8E70C30191BFFFECA291B044524CAB7FCF46E1DB533B6665662A5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4836	5380	WerFault.exe	81

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 1 IoCs

description	pid	Process	procid_target
PID 5296 wrote to memory of 5380	5296	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libs\libmpg123-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\libs\libmpg123-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5380 -s 448
    3⤵
    - Program crash
    PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5380 -ip 5380
1⤵
PID:5092

Network

MITRE ATT&CK Enterprise v16

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/5380-0-0x0000000063E80000-0x0000000063EE9000-memory.dmp

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