Behavioral Report

Analysis

max time kernel
91s
max time network
35s
platform
windows7_x64
resource
win7-20230220-es
resource tags

arch:x64arch:x86image:win7-20230220-eslocale:es-esos:windows7-x64systemwindows
submitted
27-03-2023 16:15

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General

Target

Victoria537/LNG/Русский.lng
Size

63KB
MD5

8eb2e4625b22de5d03394ce3a157d0e6
SHA1

e9fb257d4182d706daa9b52c93c363f480cf26f2
SHA256

f63e61b95b254787dda221a4eef1748ac6d28c4275e919ba171cf4db29b1b41b
SHA512

834dc71609666d6c78eb6dd08c483d1f90b11ca842857b3bcb50b8732d7be110b7e9fb8852a8d589ca3b176c710aa02cff2a03a400f227f1089bb511f4a4cd8e
SSDEEP

1536:e3PNlADQ0xiem1Vctbai1OchsR0aXAglQrExlku:QADJiem1EbaYOKsLxlv

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-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

760 rundll32.exe

pid	process
760	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1976 wrote to memory of 760	1976	cmd.exe	rundll32.exe
PID 1976 wrote to memory of 760	1976	cmd.exe	rundll32.exe
PID 1976 wrote to memory of 760	1976	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Victoria537\LNG\Русский.lng
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Victoria537\LNG\Русский.lng
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:760

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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