Overview

overview

10

Static

static

3

3986d35b5c...cd.exe

windows7-x64

10

3986d35b5c...cd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_af4484677bcc32b79a4938c21ca459fd0262ed50f61f77aef6cc415af4d1f7fd

  • Size

    678KB

  • Sample

    241229-kcww6sxmbq

  • MD5

    bf1ae2d5ee4b8a4b6ed1aac1453d8515

  • SHA1

    2ac2380756fbe4a1f043f614d21c74b2ef1460af

  • SHA256

    af4484677bcc32b79a4938c21ca459fd0262ed50f61f77aef6cc415af4d1f7fd

  • SHA512

    b60e40ca4d4b15901d3c41df12a65a2bb21fd163e6c4f44c0f5b7f6c76e99c4f1aa3e171d82d13459a3ca8445d439dc8a6c5c00486bc8f3281e9d014be0da8b4

  • SSDEEP

    12288:yDFz4Gz9sgIV/MK9V5Sd0pQy8lTAjC2FlC1sNMqbFY4MGtzcRgscp:GN4GzlkMgzrp4EC23C1sNMqxWWcRgl

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/test1/get.php

Attributes
  • extension

    .vvew

  • offline_id

    rE5LpDv2ftYRXAo7bC18EpzfRMTHSGjgfyIMfZt1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://acacaca.org/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-QsoSRIeAK6 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0530Jhyjd

rsa_pubkey.plain

Targets

    • Target

      3986d35b5c4b2c266cd121b72b648294036863841102e850592b9ac9f26afecd

    • Size

      816KB

    • MD5

      cb2486fa86126752ae92a46652f59f5c

    • SHA1

      86f016d0381fc144f35cdc2deaecea4fb52b3c36

    • SHA256

      3986d35b5c4b2c266cd121b72b648294036863841102e850592b9ac9f26afecd

    • SHA512

      a4eccabed937164d770b46fba075f33e2010d8c0106720a2f6a7b0f4f7e93b5cb0009e213cad5cd5e257676c42b14ed5145a9a6af2fa1cfeddd67691b5ebceae

    • SSDEEP

      12288:c3VUDkblidXui83ugWj/MsnV5Od0pQy+lb6tCUFlCfs1MqrFY4kGjBv:9DYU+SM8zHpkeCU3Cfs1MqB6m

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Djvu family

      djvu

    • 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

    • 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 Enterprise v15

Tasks