Overview

overview

10

Static

static

3

tmp.exe

windows7-x64

1

tmp.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    tmp

  • Size

    1MB

  • Sample

    230922-leabmafc3x

  • MD5

    ece588d72ef43b053748bb24d4f9955a

  • SHA1

    5782364250b5ae8cc10a8aeb09f00826771b6891

  • SHA256

    09c21b493bba180a3a735dd4d79bc0fce6242174732611b6e6156381e5a959b1

  • SHA512

    7262cf3e8b1be2f73f5156f4ef3038b4eebe29a74d52ff7ecf0247bc32934741b358f81136cd76f0810359922bfcf9160c528b492308a4cf1c3a3c92c70fa852

  • SSDEEP

    24576:Hd8UBpPOAyHniEYQnoxtKDAq2xeETAeAsoqqhV4Qdj+:98wpPVLExn8eEqtqqhV4Qd6

Score
10/10
discoveryevasionpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\HOW TO BACK FILES.txt

Ransom Note
Hello Your files are encrypted and can not be used We have downloaded your confidential data and are ready to publish it on our blog To return your files in work condition you need decryption tool Follow the instructions to decrypt all your data Do not try to change or restore files yourself, this will break them If you want, on our site you can decrypt one file for free. Free test decryption allowed only for not valuable file with size less than 3MB How to get decryption tool: 1) Download and install TOR browser by this link: https://www.torproject.org/download/ 2) If TOR blocked in your country and you can't access to the link then use any VPN software 3) Run TOR browser and open the site: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin 4) Copy your private ID in the input field. Your Private key: 8E351093EDFF6979AAAC2134 5) You will see payment information and we can make free test decryption here 6)After payment, you will receive a tool for decrypting files, and we will delete the data that was taken from you Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion If you are unable to contact us through the site, then you can email us: mallox.resurrection@onionmail.org Waiting for a response via mail can be several days. Do not use it if you have not tried contacting through the site.�
Emails

mallox.resurrection@onionmail.org

URLs

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion

Targets

    • Target

      tmp

    • Size

      1MB

    • MD5

      ece588d72ef43b053748bb24d4f9955a

    • SHA1

      5782364250b5ae8cc10a8aeb09f00826771b6891

    • SHA256

      09c21b493bba180a3a735dd4d79bc0fce6242174732611b6e6156381e5a959b1

    • SHA512

      7262cf3e8b1be2f73f5156f4ef3038b4eebe29a74d52ff7ecf0247bc32934741b358f81136cd76f0810359922bfcf9160c528b492308a4cf1c3a3c92c70fa852

    • SSDEEP

      24576:Hd8UBpPOAyHniEYQnoxtKDAq2xeETAeAsoqqhV4Qdj+:98wpPVLExn8eEqtqqhV4Qd6

    Score
    10/10
    discoveryevasionpersistenceransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Renames multiple (3611) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Stops running service(s)

      evasion

    • Checks computer location settings

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

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Impair Defenses

1
T1562

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Service Stop

1
T1489

Resource Development

Reconnaissance

Tasks