12f05d173cb6837d9edca2f34af66c498cdb5a9f8e79b6aa72701ffc7fbbfdb6

Analysis

max time kernel
100s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 19:53

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General

Target

12f05d173cb6837d9edca2f34af66c498cdb5a9f8e79b6aa72701ffc7fbbfdb6.dll
Size

76KB
MD5

a4295a68545bec11291427afb97e9ad0
SHA1

d1e41b55440bf82775b945be20ea324097880ddd
SHA256

12f05d173cb6837d9edca2f34af66c498cdb5a9f8e79b6aa72701ffc7fbbfdb6
SHA512

02e55ff702325168dc0e4dff072338c362daf4fe0a7d50b362e4b21627e566307c5b3b394267c1b75a8fe1d0ffd0511c5e3f96c5ed623d2b2307fffecfe5175e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z7M5dZFRdpVvAyqT:c8y93KQjy7G55riF1cMo03hM5dZFRdpw

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/3184-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3184-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1492	3184	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	3184	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3528 wrote to memory of 3184	3528	rundll32.exe	83
PID 3528 wrote to memory of 3184	3528	rundll32.exe	83
PID 3528 wrote to memory of 3184	3528	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\12f05d173cb6837d9edca2f34af66c498cdb5a9f8e79b6aa72701ffc7fbbfdb6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\12f05d173cb6837d9edca2f34af66c498cdb5a9f8e79b6aa72701ffc7fbbfdb6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 716
    3⤵
    - Program crash
    PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3184 -ip 3184
1⤵
PID:4852

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/3184-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3184-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download