413f106555a4bc9147878a7bec9bd32983da07a8c4d8cd898055f7d83c94137d

Analysis

max time kernel
104s
max time network
106s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
20/04/2025, 05:22

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General

Target

dosbox/libpng12.dll
Size

254KB
MD5

fdcb0c799bfd1a0567d374853fb04c1e
SHA1

6469726caf45b8321832b58b9008ac5242d07342
SHA256

5ef3a04c78162daca388a79cdf51430ab00a11fab6d1f781f7b54713247bac2e
SHA512

32c453b1d4090cef2bab3819959e718f2e01e4f7861067dbd251067ec86c8e9ffffcd36d6a4aa349356ae763498ced6efba15fcd3970f607c0d434ba432a3a41
SSDEEP

3072:Ncfo0h2vzsWjWaXEJg6wLqSHEXbiyRgr/FmogipqtIO4zBfA7ZGCiuR3A2PegmQE:68AaXEJ8LqSHbyeQoggqW4ZpA2WD

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1836	892	WerFault.exe	78

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 5932 wrote to memory of 892	5932	rundll32.exe	78
PID 5932 wrote to memory of 892	5932	rundll32.exe	78
PID 5932 wrote to memory of 892	5932	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dosbox\libpng12.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dosbox\libpng12.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 460
    3⤵
    - Program crash
    PID:1836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 892 -ip 892
1⤵
PID:412

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/892-1-0x0000000061B80000-0x0000000061B98000-memory.dmp

Filesize
96KB

Download
memory/892-0-0x0000000066880000-0x00000000668C4000-memory.dmp

Filesize
272KB

Download