General

  • Target

    3e250963d8b517d4d5d9232aa6d43bb881916e65dda85a052332d674e6cc1aa2

  • Size

    218KB

  • Sample

    220825-3cmmlsdce4

  • MD5

    1bd551d9a6a144144e5ce531ed9f2865

  • SHA1

    31d5eef9fcfae896ab740bd79d55b0a446485ec2

  • SHA256

    3e250963d8b517d4d5d9232aa6d43bb881916e65dda85a052332d674e6cc1aa2

  • SHA512

    4ace6e29af3ee2e455791dc4ed2b5980c3358e1c7d4fde4a3b96d9e574d745152dfcc05619d68d455beae734cb5e63fb967246a6cb863dd324fbb37b51cbf145

  • SSDEEP

    3072:rwXTMHHMAuSuQWExwF0L9nP1WtyUcQinN5K6eMQggzhWM6P0MNsxkgaBChgpZa93:ooHMHSuQv9P1yPYKDztNMyigaLwVf

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .qqkk

  • offline_id

    0MVuBxT6o3dUivEUdhCKPfN5ljxbYptbzrFZvst1

  • 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-USug3rryKI 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: 0549Jhyjd

rsa_pubkey.plain

Extracted

Family

socelars

C2

https://hueduy.s3.eu-west-1.amazonaws.com/nbsdg818/

Extracted

Family

redline

Botnet

dzv mix

C2

152.89.196.46:39154

Attributes
  • auth_value

    2b8b507cc7f615f506fc03f384449fb3

Targets

    • Target

      3e250963d8b517d4d5d9232aa6d43bb881916e65dda85a052332d674e6cc1aa2

    • Size

      218KB

    • MD5

      1bd551d9a6a144144e5ce531ed9f2865

    • SHA1

      31d5eef9fcfae896ab740bd79d55b0a446485ec2

    • SHA256

      3e250963d8b517d4d5d9232aa6d43bb881916e65dda85a052332d674e6cc1aa2

    • SHA512

      4ace6e29af3ee2e455791dc4ed2b5980c3358e1c7d4fde4a3b96d9e574d745152dfcc05619d68d455beae734cb5e63fb967246a6cb863dd324fbb37b51cbf145

    • SSDEEP

      3072:rwXTMHHMAuSuQWExwF0L9nP1WtyUcQinN5K6eMQggzhWM6P0MNsxkgaBChgpZa93:ooHMHSuQv9P1yPYKDztNMyigaLwVf

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks