General

  • Target

    file.exe

  • Size

    291KB

  • Sample

    220912-qws8aahbbk

  • MD5

    a4a8ec383f462d532402e17e8aaafa7b

  • SHA1

    3dd6c69af86f5acd936ca5ac859ee4a58c588c89

  • SHA256

    ae0333b9bbf7268956a9cf427dff2ddfbb57e7cb670ca6bf8d90403cd1732523

  • SHA512

    91631a946d2e34b52b04d81331f1c13d7bcb13c4d4116f266a1d4e7cd619a603c01d178785b7e8e10a4a35a222ce9735cab41312ae01d02ca4b94f76db9b88d4

  • SSDEEP

    6144:dyoGUbB6LUce9z5/7L5N37eK/ug6ELVRf77MGrNn:dmUgLUf15/7L5N3H/ug6EL377MG

Malware Config

Extracted

Family

socelars

C2

https://dfgrthres.s3.eu-west-3.amazonaws.com/asdhs909/

Extracted

Family

redline

Botnet

mario_new

C2

176.122.23.55:11768

Attributes
  • auth_value

    eeee8d5fcc3ba3a42094ef260c5bdcb4

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

Targets

    • Target

      file.exe

    • Size

      291KB

    • MD5

      a4a8ec383f462d532402e17e8aaafa7b

    • SHA1

      3dd6c69af86f5acd936ca5ac859ee4a58c588c89

    • SHA256

      ae0333b9bbf7268956a9cf427dff2ddfbb57e7cb670ca6bf8d90403cd1732523

    • SHA512

      91631a946d2e34b52b04d81331f1c13d7bcb13c4d4116f266a1d4e7cd619a603c01d178785b7e8e10a4a35a222ce9735cab41312ae01d02ca4b94f76db9b88d4

    • SSDEEP

      6144:dyoGUbB6LUce9z5/7L5N37eK/ug6ELVRf77MGrNn:dmUgLUf15/7L5N3H/ug6EL377MG

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks