8c5f875da7dcc0e3e3d47166e9f71f34ab726014ac72ca3398cefa33753a20d6

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 01:44

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General

Target

8c5f875da7dcc0e3e3d47166e9f71f34ab726014ac72ca3398cefa33753a20d6.dll
Size

76KB
MD5

2bb7e0ecd979b4056c1baf892a268b29
SHA1

e98c058f9ae4af0a26debb2e17633d5c4dc756fb
SHA256

8c5f875da7dcc0e3e3d47166e9f71f34ab726014ac72ca3398cefa33753a20d6
SHA512

de5b1392204d9a24d86a814bb012aef35c7c1ea7f7cc90f76743b4a5bf08c223ac00d5630b23bc9b38271c0113bd8bb7847665b968af5e5c806c3deeb3fd682e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZXsOnxzSVSS:c8y93KQjy7G55riF1cMo03hsYxzSkS

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/1344-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1344-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4500	1344	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	1344	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 1344	3976	rundll32.exe	83
PID 3976 wrote to memory of 1344	3976	rundll32.exe	83
PID 3976 wrote to memory of 1344	3976	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c5f875da7dcc0e3e3d47166e9f71f34ab726014ac72ca3398cefa33753a20d6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c5f875da7dcc0e3e3d47166e9f71f34ab726014ac72ca3398cefa33753a20d6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 708
    3⤵
    - Program crash
    PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1344 -ip 1344
1⤵
PID:4488

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/1344-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1344-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download