cb1c7c35cb0842aa1aed8e8cfae6187b3b6ff57654e37284af7acf6cf91aa80c

Analysis

max time kernel
140s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2022 10:22

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General

Target

Attachments.lnk
Size

1KB
MD5

bc822d858adaf2632387e1683dec2c02
SHA1

603bbc383ad1aaf3be47db8686b584cf75055cc6
SHA256

870d9acb346f0d9699c09057b8d8f6782cd925873958974cfe47f6566d2da7cd
SHA512

adfa26f5517da1020398d037313f6d6e39a5f2cd3131a0f0cc13bc012886132d083bbc3873739fb9b376fa679a99cbe42a4498283c5afc3103ea613117c7029d

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	4336	rundll32.exe
27	4336	rundll32.exe
36	4336	rundll32.exe
37	4336	rundll32.exe

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-1-5-21-2891029575-1462575-1165213807-1000\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 1508 wrote to memory of 4336	1508	cmd.exe	82
PID 1508 wrote to memory of 4336	1508	cmd.exe	82

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Attachments.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" disk.dat,ProcessLoad
  2⤵
  - Blocklisted process makes network request
  PID:4336

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

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Downloads

memory/4336-133-0x00007FFEF8580000-0x00007FFEF8590000-memory.dmp

Filesize
64KB

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