General

  • Target

    4d3c52627867f46c9dd288331430c7dd917c2f4096bebcad9a3583c834d65788

  • Size

    934KB

  • Sample

    230923-17tnascd82

  • MD5

    8236a662ebf6f2ad4d65c8a4ad0410c9

  • SHA1

    9949ef59c1043f12cd73b2c861c450d4feb02dc4

  • SHA256

    4d3c52627867f46c9dd288331430c7dd917c2f4096bebcad9a3583c834d65788

  • SHA512

    452a15544145769fa5f1e2d73584bbd15a8ed583ad11d3e7ec01819ef69b20e91f2a9d19c0c2c064b48c9dfba8b383cde7ccdc3b7e5cc9ef017b7bd3e0af36d5

  • SSDEEP

    12288:6Mrxy90Vlv4MqkgFcMlXh+P4O97L22lnGp8qBcMyUzTxh1Bq+tzUyiVX88riEyk:ryix4lFP497LJ28utr1BBRUmhdk

Malware Config

Extracted

Family

redline

Botnet

nanya

C2

77.91.124.82:19071

Attributes
  • auth_value

    640aa5afe54f566d8795f0dc723f8b52

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Targets

    • Target

      4d3c52627867f46c9dd288331430c7dd917c2f4096bebcad9a3583c834d65788

    • Size

      934KB

    • MD5

      8236a662ebf6f2ad4d65c8a4ad0410c9

    • SHA1

      9949ef59c1043f12cd73b2c861c450d4feb02dc4

    • SHA256

      4d3c52627867f46c9dd288331430c7dd917c2f4096bebcad9a3583c834d65788

    • SHA512

      452a15544145769fa5f1e2d73584bbd15a8ed583ad11d3e7ec01819ef69b20e91f2a9d19c0c2c064b48c9dfba8b383cde7ccdc3b7e5cc9ef017b7bd3e0af36d5

    • SSDEEP

      12288:6Mrxy90Vlv4MqkgFcMlXh+P4O97L22lnGp8qBcMyUzTxh1Bq+tzUyiVX88riEyk:ryix4lFP497LJ28utr1BBRUmhdk

    • Detect Fabookie payload

    • Detect rhadamanthys stealer shellcode

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Rhadamanthys

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • 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.

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks