f9289b353b53145a0ae81bfc0446d10fc6706fc765661c1ea3710b9d75871135

Analysis

max time kernel
91s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2024, 00:22

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General

Target

f9289b353b53145a0ae81bfc0446d10fc6706fc765661c1ea3710b9d75871135N.dll
Size

76KB
MD5

31ded88c0c8d9241a71f240da02a87e0
SHA1

aa54b09b5b91db34c436e94ac91b9c56c20b49dd
SHA256

f9289b353b53145a0ae81bfc0446d10fc6706fc765661c1ea3710b9d75871135
SHA512

fc7c188fa3c8b6e554930db3caff6418243452a61c96fac5483cd603003f8997aead40d4ada7bc5a6e572a161dfaa6cf6839b4b0864f37f15c92d81c7261db4c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZynF88dNgMn9Q9D64:c8y93KQjy7G55riF1cMo03EM

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/3680-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3680-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3336	3680	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	3680	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3680	1940	rundll32.exe	83
PID 1940 wrote to memory of 3680	1940	rundll32.exe	83
PID 1940 wrote to memory of 3680	1940	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9289b353b53145a0ae81bfc0446d10fc6706fc765661c1ea3710b9d75871135N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9289b353b53145a0ae81bfc0446d10fc6706fc765661c1ea3710b9d75871135N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 712
    3⤵
    - Program crash
    PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3680 -ip 3680
1⤵
PID:4044

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/3680-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3680-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download