21249bb0ad8b3391ebc28b1817037326c18f5b3d566e8a59de8f0d2d6202a6b7

Analysis

max time kernel
32s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28-01-2023 12:36

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General

Target

Wondershare UniConverter 14.1.6.107 (x64) Multilingual ( 2 decembre 2022) by Keff.rar
Size

219.1MB
MD5

fc45942e0b9d0cfd175397c35f273015
SHA1

b2b85ea3a2829414acb75f7b3cb4b303dd9247dd
SHA256

21249bb0ad8b3391ebc28b1817037326c18f5b3d566e8a59de8f0d2d6202a6b7
SHA512

cde62dccfd2d893522286c490f5324e23acafcf438350de248010c91a0058b392f22e5dee37cdd1f5fb3ada242c02f5da40ae7a353dabde39d4c1c95bfc5feb4
SSDEEP

6291456:lXDORmOgaMLERcA3J1uK4I16pA+xK5pWM7EfaDRYBcv:NDAmOgDDA3J1uKXx+xyWQoaDFv

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

Modifies registry class 2 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1360 wrote to memory of 1348	1360	cmd.exe	rundll32.exe
PID 1360 wrote to memory of 1348	1360	cmd.exe	rundll32.exe
PID 1360 wrote to memory of 1348	1360	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Wondershare UniConverter 14.1.6.107 (x64) Multilingual ( 2 decembre 2022) by Keff.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Wondershare UniConverter 14.1.6.107 (x64) Multilingual ( 2 decembre 2022) by Keff.rar
2⤵
- Modifies registry class
PID:1348

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1348-76-0x0000000000000000-mapping.dmp

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memory/1360-54-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp

Filesize
8KB

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