b9f457603753cafed59a66504d3e72f35612657b661a39f9e0ef409717429a59

Analysis

max time kernel
94s
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
16-12-2024 11:36

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General

Target

b9f457603753cafed59a66504d3e72f35612657b661a39f9e0ef409717429a59N.dll
Size

76KB
MD5

228b4c816a02186ecfd8a833e8b2e250
SHA1

6bfed08beea3b5ef47cee87354434c343838849f
SHA256

b9f457603753cafed59a66504d3e72f35612657b661a39f9e0ef409717429a59
SHA512

3c279bd3688305566f7547c493bbfb9af69a3385468129fd250c0b34a4b6162d98edddbe55d0f3d358a83e719905a3a2d703145c9c39dbb6e586172ae2b9aa5b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZJ6KNS5n:c8y93KQjy7G55riF1cMo03Nun

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5076-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5076-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1612	5076	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	5076	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 5076	3148	rundll32.exe	83
PID 3148 wrote to memory of 5076	3148	rundll32.exe	83
PID 3148 wrote to memory of 5076	3148	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9f457603753cafed59a66504d3e72f35612657b661a39f9e0ef409717429a59N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9f457603753cafed59a66504d3e72f35612657b661a39f9e0ef409717429a59N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 712
    3⤵
    - Program crash
    PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 5076 -ip 5076
1⤵
PID:1216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/5076-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/5076-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download