7f7772456c9e1753c5f0fe62af64661ac73ab6bfacaac02e388a20105f09afcf

Analysis

max time kernel
185s
max time network
195s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2022 16:17

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General

Target

7f7772456c9e1753c5f0fe62af64661ac73ab6bfacaac02e388a20105f09afcf.dll
Size

5.3MB
MD5

886e8ca101b91a6f4751ef8ebac6f386
SHA1

9624fa47f7acd221bb628a8d8b96edf7ae3a57ae
SHA256

7f7772456c9e1753c5f0fe62af64661ac73ab6bfacaac02e388a20105f09afcf
SHA512

6684cc120b50898532c74ab2f6c5b40715ff11a1595e293910d95d864c8d646e3f3f0c68ea70e2fdc135dabe694e38a49302a5b6d2ddc14ab66c7632f3bc12c0
SSDEEP

98304:bHoup0I2hb4gyQdC9DQwhL3Ing06AUxUXLj1vj7jSmv5yTlpP/:z5z2hboQdALhL3Inmbx0tjiJbP/

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Events = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\WIJBFSKT.dll\",_9634694369346"	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs

Processes:

rundll32.exe

pid	process
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe

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

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

rundll32.exe

pid process

2344 rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1152 wrote to memory of 2344	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 2344	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 2344	1152	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f7772456c9e1753c5f0fe62af64661ac73ab6bfacaac02e388a20105f09afcf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f7772456c9e1753c5f0fe62af64661ac73ab6bfacaac02e388a20105f09afcf.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetWindowsHookEx
  PID:2344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2344-132-0x0000000000000000-mapping.dmp

Download
memory/2344-133-0x0000000002D30000-0x00000000036EF000-memory.dmp

Filesize
9.7MB

Download
memory/2344-134-0x0000000002D30000-0x00000000036EF000-memory.dmp

Filesize
9.7MB

Download