d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

General
Target

d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

Size

681KB

Sample

220521-mt58aacdg9

Score
10 /10
MD5

84174a142d30afe6075d57a1aead4d18

SHA1

330dfeed26f3ac123aa182fd28751144ea9b097a

SHA256

d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

SHA512

f65c51eaf55b1ecbbb3a82f9bab0b5428f04727fbc7795679eb6c127847eb668259bf3fe406b35e6e36902b653d28c33449caec882677b24f95daab7e44f9866

Malware Config

Extracted

Family djvu
C2

http://cjto.top/nddddhsspen6/get.php

Attributes
extension
.geno
offline_id
Gq9C3wfB3EovXBFkGxv1b5wkUKUxVy1x63fasTt1
payload_url
http://cjto.top/files/penelop/updatewin1.exe
http://cjto.top/files/penelop/updatewin2.exe
http://cjto.top/files/penelop/updatewin.exe
http://cjto.top/files/penelop/3.exe
http://cjto.top/files/penelop/4.exe
http://cjto.top/files/penelop/5.exe
ransomnote
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rsa_pubkey.plain
Targets
Target

d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

MD5

84174a142d30afe6075d57a1aead4d18

Filesize

681KB

Score
10/10
SHA1

330dfeed26f3ac123aa182fd28751144ea9b097a

SHA256

d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

SHA512

f65c51eaf55b1ecbbb3a82f9bab0b5428f04727fbc7795679eb6c127847eb668259bf3fe406b35e6e36902b653d28c33449caec882677b24f95daab7e44f9866

Tags

Signatures

  • Detected Djvu ransomware

  • Djvu Ransomware

    Description

    Ransomware which is a variant of the STOP family.

    Tags

  • suricata: ET MALWARE APT-C-23 Activity (GET)

    Description

    suricata: ET MALWARE APT-C-23 Activity (GET)

    Tags

  • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    Description

    suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    Tags

  • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    Description

    suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    Tags

  • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    Description

    suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    Tags

  • Checks computer location settings

    Description

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

    TTPs

    Query RegistrySystem Information Discovery
  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Looks up external IP address via web service

    Description

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

Related Tasks

MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Privilege Escalation