b1b5cfaaa8ccd872ce999c599fbd01136f01e63aec52e7070338f4a82420be7c

Analysis

max time kernel
124s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 21:03

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General

Target

b1b5cfaaa8ccd872ce999c599fbd01136f01e63aec52e7070338f4a82420be7c.lnk
Size

1KB
MD5

91dfdf598d88dfd265ccb4fb694793c0
SHA1

d9dce1e905abbf6255010a0cb7e87da334e5b3f8
SHA256

b1b5cfaaa8ccd872ce999c599fbd01136f01e63aec52e7070338f4a82420be7c
SHA512

857717cad2abda3a49f45c58137e3156d75e831adb94498792f9fc240d3c87945b5f31f11f18d3cd31cb5a68ae1139599b29a29b5b000e71f4551d86f22d968a

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	cmd.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 WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 4332	2356	cmd.exe	81
PID 2356 wrote to memory of 4332	2356	cmd.exe	81

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\b1b5cfaaa8ccd872ce999c599fbd01136f01e63aec52e7070338f4a82420be7c.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2356
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /c start win1.vbs&start 5.doc&exit
  2⤵
  PID:4332

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

Windows 7 deprecation

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