918dede163276d652ee3fc92b2ec93733850b27a31339e6e972536d168990506

Analysis

max time kernel
41s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02/07/2024, 17:06

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General

Target
0jxlr2n3sx9a9r.dll
Size 13KB
Sample240702-vmv3qssfja
SHA256 238727a5364853abf73decbd56c4c1e3f3906060e802352b547a296e34dd3646
MD5 9ec36c1f7989533c81de064104ea35ab
SHA1 9a9f608e7bf4e4f06e4804f7b132939d3ee5654d
SHA512 bfb31fd814d2069cf529297c9c4ec4b8d6480012ccbc8f0ea013ce750705d953e47f00f6fa625b95c94c1bcde6763612a6055f91a35428eed0f1e16c6b1bb2e7
SSDEEP 192:hRg35IFoT8RdxD2I9fWJDbHifEePOZEyIDcseAFMbUsE80I/uCg:IIbCMedaBQ3sfFMZE806
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\name = "C:\\Users\\Admin\\AppData\\Roaming\\folder\\file.exe"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2588	4188	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4188	rundll32.exe
4188	rundll32.exe
4188	rundll32.exe
4188	rundll32.exe
4188	rundll32.exe
4188	rundll32.exe
4188	rundll32.exe
4188	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 4188	760	rundll32.exe	81
PID 760 wrote to memory of 4188	760	rundll32.exe	81
PID 760 wrote to memory of 4188	760	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0jxlr2n3sx9a9r.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0jxlr2n3sx9a9r.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4188
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 732
    3⤵
    - Program crash
    PID:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4188 -ip 4188
1⤵
PID:1060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4188-0-0x0000000075070000-0x0000000075078000-memory.dmp

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memory/4188-2-0x0000000075070000-0x0000000075078000-memory.dmp

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