General

  • Target

    4187f00e541e422df378d5bd91fb968f19805261538bcd84385c26fbe53e94e4

  • Size

    265KB

  • Sample

    220913-d9s38aefa6

  • MD5

    1972569605776d6dd2c61fe9e0728f15

  • SHA1

    c463fc99b6a8f2a7e04d61669e82cb18e8aa2461

  • SHA256

    4187f00e541e422df378d5bd91fb968f19805261538bcd84385c26fbe53e94e4

  • SHA512

    2ca4b0715fe79d47fe549076055e4c24087a293dae3e5bfd404fe55ca19490983e424641acf8fbe02bb8809ba8acae1723452a52a0a45a8f6620639daa8ad11e

  • SSDEEP

    6144:i6wCxsiEfB/lMDYOkQPIIBEvnbRhvPrn3:HJsiEf1qDYOkQPII6n

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

      4187f00e541e422df378d5bd91fb968f19805261538bcd84385c26fbe53e94e4

    • Size

      265KB

    • MD5

      1972569605776d6dd2c61fe9e0728f15

    • SHA1

      c463fc99b6a8f2a7e04d61669e82cb18e8aa2461

    • SHA256

      4187f00e541e422df378d5bd91fb968f19805261538bcd84385c26fbe53e94e4

    • SHA512

      2ca4b0715fe79d47fe549076055e4c24087a293dae3e5bfd404fe55ca19490983e424641acf8fbe02bb8809ba8acae1723452a52a0a45a8f6620639daa8ad11e

    • SSDEEP

      6144:i6wCxsiEfB/lMDYOkQPIIBEvnbRhvPrn3:HJsiEf1qDYOkQPII6n

    • 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