General

  • Target

    file.exe

  • Size

    259KB

  • Sample

    220908-fv8lgadfa5

  • MD5

    459d509dae9042c4ead7bf8315647c81

  • SHA1

    1f539df572533cdd298641df8f01a6fee3e0f15e

  • SHA256

    3ae59f3af29ce51a9bd66911bd072233968cfe4776159eb7481ddfec446cec43

  • SHA512

    c0bbdeb7cf69b0dd1fde93b0c01ce543fbf605c0459f1b14f039424453df149335c5fd544bacd2ba676877a02323cd2f4f9a11fdef0dc964defa5b50e7b750d4

  • SSDEEP

    6144:K25gVMvD3GaJqZGs1TOuQ9qbaOOo9GezN:K25ZvDHoZGs1TOVq/

Malware Config

Extracted

Family

redline

Botnet

mario_new

C2

176.122.23.55:11768

Attributes
  • auth_value

    eeee8d5fcc3ba3a42094ef260c5bdcb4

Extracted

Family

redline

Botnet

1337

C2

78.153.144.6:2510

Attributes
  • auth_value

    b0447922bcbc2eda83260a9e7a638f45

Extracted

Family

redline

Botnet

nam5

C2

103.89.90.61:34589

Attributes
  • auth_value

    f23be8e9063fe5d0c6fc3ee8e7d565bd

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mmdt

  • offline_id

    yd6oYv6aBN90yFzTWdZ34sXSXtXiauzOLXZyWht1

  • payload_url

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

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

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

socelars

C2

https://hueduy.s3.eu-west-1.amazonaws.com/dhfry901/

Targets

    • Target

      file.exe

    • Size

      259KB

    • MD5

      459d509dae9042c4ead7bf8315647c81

    • SHA1

      1f539df572533cdd298641df8f01a6fee3e0f15e

    • SHA256

      3ae59f3af29ce51a9bd66911bd072233968cfe4776159eb7481ddfec446cec43

    • SHA512

      c0bbdeb7cf69b0dd1fde93b0c01ce543fbf605c0459f1b14f039424453df149335c5fd544bacd2ba676877a02323cd2f4f9a11fdef0dc964defa5b50e7b750d4

    • SSDEEP

      6144:K25gVMvD3GaJqZGs1TOuQ9qbaOOo9GezN:K25ZvDHoZGs1TOVq/

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Socelars

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

    • Socelars payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks