a5758845f1fae953e147ef5cfc926b2527d70516db09f960044edfa681184817

Analysis

max time kernel
94s
max time network
95s
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 12:45

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General

Target

a5758845f1fae953e147ef5cfc926b2527d70516db09f960044edfa681184817.dll
Size

203KB
MD5

a224c9627629065b2832107e19fa6a98
SHA1

e568c7c8fa6f9877725fc007162d14e19d74efee
SHA256

a5758845f1fae953e147ef5cfc926b2527d70516db09f960044edfa681184817
SHA512

b55174f8d2bf4e9d71f263ba3cfa4655ae1cac28b077fdf7e632f32a3acd911b42d1ebf12473d7c5894a9983dc26d878a729a7a460030c884fe083f2dc997f51
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viM2xa8Gu4:0kmCaiEoFEd+FYOtxmdeviM2xag4

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/1720-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1720-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2504	1720	WerFault.exe	82

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	1720	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 1720	2588	rundll32.exe	82
PID 2588 wrote to memory of 1720	2588	rundll32.exe	82
PID 2588 wrote to memory of 1720	2588	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a5758845f1fae953e147ef5cfc926b2527d70516db09f960044edfa681184817.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a5758845f1fae953e147ef5cfc926b2527d70516db09f960044edfa681184817.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 712
    3⤵
    - Program crash
    PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1720 -ip 1720
1⤵
PID:400

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/1720-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1720-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download