General

  • Target

    file.exe

  • Size

    386KB

  • Sample

    230211-byjdjaac4y

  • MD5

    598517684bc8ce60eb52508344a0ac3a

  • SHA1

    48f64ccfdee624959def9ccfc5cd8807f71df8a8

  • SHA256

    3108e1d58e5107026aeb83ecb1cc7335982a1b252a694a64c698cf622ffc19f7

  • SHA512

    430fb1bafd3f938f7ff69548b06f43bc1536968aaad66e093b402ae58787f6408c499e2415361d210ab119869b4a02f13d5be4e86fa16203311cc9ecb35c473f

  • SSDEEP

    3072:slKbeiazdGz45xv8/unwlHtCyWZalKB9gO6PM8qRi0Qo7sTmOGDZymp5YRZUUEy8:8KYdVv8/zHtdualKBWOGMdkT1EZt5D

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

redline

Botnet

kvmwwgas2

C2

147.135.165.21:36456

Attributes
  • auth_value

    970cf61117a09beac174b1ec73ba1e0e

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

      file.exe

    • Size

      386KB

    • MD5

      598517684bc8ce60eb52508344a0ac3a

    • SHA1

      48f64ccfdee624959def9ccfc5cd8807f71df8a8

    • SHA256

      3108e1d58e5107026aeb83ecb1cc7335982a1b252a694a64c698cf622ffc19f7

    • SHA512

      430fb1bafd3f938f7ff69548b06f43bc1536968aaad66e093b402ae58787f6408c499e2415361d210ab119869b4a02f13d5be4e86fa16203311cc9ecb35c473f

    • SSDEEP

      3072:slKbeiazdGz45xv8/unwlHtCyWZalKB9gO6PM8qRi0Qo7sTmOGDZymp5YRZUUEy8:8KYdVv8/zHtdualKBWOGMdkT1EZt5D

    • 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++.

    • 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.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • 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.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • 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

MITRE ATT&CK Enterprise v6

Tasks