a3c59e79b24ef839a354f7ee2f98b04e9aa434858cb9e496f5cc56b9d0678848

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 20:38

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General

Target

a3c59e79b24ef839a354f7ee2f98b04e9aa434858cb9e496f5cc56b9d0678848.dll
Size

76KB
MD5

047e512348bddb1a7abe0de86798f5bf
SHA1

2ac81df47740b77e4453181d76dbb48229bd992c
SHA256

a3c59e79b24ef839a354f7ee2f98b04e9aa434858cb9e496f5cc56b9d0678848
SHA512

67e061643dafcda8f748cbd39ce6aad935f1c5092a480574ccff6e13aa21f25c8b63d7b8332fa1dee3453b21204cac2702e1b7bfceb2881e5495d83b1d56bea8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zujj6T/L0jM:c8y93KQjy7G55riF1cMo03wS7WM

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2156-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2156-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4404	2156	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 2156	3764	rundll32.exe	83
PID 3764 wrote to memory of 2156	3764	rundll32.exe	83
PID 3764 wrote to memory of 2156	3764	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3c59e79b24ef839a354f7ee2f98b04e9aa434858cb9e496f5cc56b9d0678848.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3c59e79b24ef839a354f7ee2f98b04e9aa434858cb9e496f5cc56b9d0678848.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 712
    3⤵
    - Program crash
    PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2156 -ip 2156
1⤵
PID:4596

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/2156-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2156-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download