9d93a71a00351322c77e85e297cf58155f2049ad42ef475029cfdb7b913560c9

Resubmissions

08/03/2023, 21:50

230308-1pyvasgc3t 8

08/03/2023, 21:48

230308-1n5apahc88 1

08/03/2023, 21:45

230308-1mhejagc2w 1

08/03/2023, 12:51

230308-p3h58ada29 3

Analysis

max time kernel
50s
max time network
69s
platform
windows10-2004_x64
resource
win10v2004-20230220-es
resource tags

arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
08/03/2023, 12:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

stage4_after_autoit.dll
Size

27.9MB
MD5

cf6c8c2264f48739230e812d9c0a52c0
SHA1

eec61aa4a98726c0634a16aaa41e76ef1d87a42f
SHA256

9d93a71a00351322c77e85e297cf58155f2049ad42ef475029cfdb7b913560c9
SHA512

ab99d12d41adecbf24e340c39f7208fd8c4f97220244dd700ef109d2809ff27dca28eee1d8b6eeeaf0422fdc158dba2f45a0e13008a2edc31c4d2ddf6f2cc1a0
SSDEEP

98304:l62O/te/kRbtH8Jqr9N4eExVrYHYwBtBjZADA0Pjq:w/g/i3rCV6btBjODFPW

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
932	4664	WerFault.exe	84

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	rundll32.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 4664	1456	rundll32.exe	84
PID 1456 wrote to memory of 4664	1456	rundll32.exe	84
PID 1456 wrote to memory of 4664	1456	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\stage4_after_autoit.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\stage4_after_autoit.dll,#1
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  PID:4664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 1056
    3⤵
    - Program crash
    PID:932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4664 -ip 4664
1⤵
PID:1440

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4664-133-0x0000000002480000-0x0000000004076000-memory.dmp

Filesize
28.0MB

Download
memory/4664-135-0x0000000002480000-0x0000000004076000-memory.dmp

Filesize
28.0MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads