2bbf54428e9587337010a261cc4b211d142a0cb28040935f6ee9e8ec7950eb79

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 12:48

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General

Target

$PLUGINSDIR/UACElevator.dll
Size

36KB
MD5

9049a47cfbded47d5c1b070747daf6cf
SHA1

f5fc68906458850532732a6787f465666db3046d
SHA256

5118988cb678012ae4d5060eb8b0dd871be7fd514161b3c1751c066cdf352dff
SHA512

06c9081dea195843a850dce715c31019776453b3efd894ad7c0613ea29e2c0ced31499e635850f117ae72a1bd71046ce343835d18d033ba14fcaf5c60725f2e1
SSDEEP

768:ARS2nTOUZ+BisEjlm45ngj29qvnr8EliXajbLZ059:USwqUZ+BXEk45nVuARcyD

Score

7^/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
behavioral16/memory/4540-0-0x0000000010000000-0x0000000010019000-memory.dmp	upx
behavioral16/memory/4540-2-0x0000000010000000-0x0000000010019000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4116	4540	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 4540	5068	rundll32.exe	82
PID 5068 wrote to memory of 4540	5068	rundll32.exe	82
PID 5068 wrote to memory of 4540	5068	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UACElevator.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UACElevator.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 624
    3⤵
    - Program crash
    PID:4116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4540 -ip 4540
1⤵
PID:4060

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/4540-0-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4540-2-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download