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General

  • Target

    902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6

  • Size

    180KB

  • Sample

    230213-bzyjvahh99

  • MD5

    0c1ecbc874d13b9d9b4c29cf0a74fc3f

  • SHA1

    1b590a1d85a8c9080b1e12372200b9eb606b0ff6

  • SHA256

    902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6

  • SHA512

    11acb82ab64e9d644741c4edbd65a48add635e1c8e4316e12f82bebab66fd43865e86cf80f050a18abfe0620c43eb36b530c0afd2d583cfbe736294cb356c252

  • SSDEEP

    3072:HYKq5zdE35XtPmIC5qNK3REYnStkovr6DfLlMVvrdIMBQOm0/6:HnEdEBtPmZkNYREYStADfk5I2W

Malware Config

Extracted

Family

djvu

C2

http://bihsy.com/lancer/get.php

Attributes
  • extension

    .vvoo

  • offline_id

    9c20OtJsXdFeF07b1IeFK5ERGv1zIb659YG380t1

  • payload_url

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

    http://bihsy.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

vidar

Version

2.4

Botnet

19

Attributes
  • profile_id

    19

Extracted

Family

laplas

C2

http://45.159.189.105

Attributes
  • api_key

    ad75d4e2e9636ca662a337b6e798d36159f23acfc89bbe9400d0d451bd8d69fd

Targets

    • Target

      902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6

    • Size

      180KB

    • MD5

      0c1ecbc874d13b9d9b4c29cf0a74fc3f

    • SHA1

      1b590a1d85a8c9080b1e12372200b9eb606b0ff6

    • SHA256

      902796b39890a6fa63283b0fc5a07500d49071046a0e4051e0f9eba6c07540b6

    • SHA512

      11acb82ab64e9d644741c4edbd65a48add635e1c8e4316e12f82bebab66fd43865e86cf80f050a18abfe0620c43eb36b530c0afd2d583cfbe736294cb356c252

    • SSDEEP

      3072:HYKq5zdE35XtPmIC5qNK3REYnStkovr6DfLlMVvrdIMBQOm0/6:HnEdEBtPmZkNYREYStADfk5I2W

    • Detect rhadamanthys stealer shellcode

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Laplas Clipper

      Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Deletes itself

    • Executes dropped EXE

    • 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.

    • Unexpected DNS network traffic destination

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks