4f6ea991579616bdf161acdd4f07f3e3c21fc409c012ae35921527429ffc7594

Analysis

max time kernel
94s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 11:37

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General

Target

4f6ea991579616bdf161acdd4f07f3e3c21fc409c012ae35921527429ffc7594N.dll
Size

76KB
MD5

d4f6d1c5c3e626ad2b8329394b466a60
SHA1

748504c73b7372cb6cfb4d4ba493d40006fd78e0
SHA256

4f6ea991579616bdf161acdd4f07f3e3c21fc409c012ae35921527429ffc7594
SHA512

23f4266b975d5f3792759000f55c738d4e1d3ab77bffd64e00ad90c24168721a4bae5a74f8e21d33444e1ce6e3bba4489125665a921d3584b00fc02b73c2793a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZSUd+x:c8y93KQjy7G55riF1cMo03FW

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/4268-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4268-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3632	4268	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	4268	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 4268	3880	rundll32.exe	83
PID 3880 wrote to memory of 4268	3880	rundll32.exe	83
PID 3880 wrote to memory of 4268	3880	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f6ea991579616bdf161acdd4f07f3e3c21fc409c012ae35921527429ffc7594N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f6ea991579616bdf161acdd4f07f3e3c21fc409c012ae35921527429ffc7594N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 712
    3⤵
    - Program crash
    PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4268 -ip 4268
1⤵
PID:2432

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/4268-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4268-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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