General

  • Target

    ff8addf2b89de210fa350138a30eaa67a5772f59dcd0480ffc9d339e7cdd266f

  • Size

    2.9MB

  • Sample

    241108-qxkbrstckp

  • MD5

    01fc40917e3e56267e23bbcc3225d6d0

  • SHA1

    68a8782da431eddcf7ad88699580a7f034fffbe7

  • SHA256

    ff8addf2b89de210fa350138a30eaa67a5772f59dcd0480ffc9d339e7cdd266f

  • SHA512

    33d394bc795b96f815d47df8a382d720bfbb8b2d5e9288c868d83ff25712cd32737f1bf868f9ba238e72112b0cc425af538d3bc226267b38213fb364998b344c

  • SSDEEP

    49152:cu3XPRmBGiOoYcCeQE7Wq58ctIgktXub5PnyzMezAvKjGM76bfvgAz3:NXPR5JCyq5ptktgdn2RAvKjV767vgAz

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

91.193.4.201:58287

Mutex

344a7b760874a7de0ff245bf58f8fa0d

Attributes
  • reg_key

    344a7b760874a7de0ff245bf58f8fa0d

  • splitter

    |'|'|

Extracted

Family

redline

Botnet

544363603

C2

91.142.79.35:13400

Targets

    • Target

      ff8addf2b89de210fa350138a30eaa67a5772f59dcd0480ffc9d339e7cdd266f

    • Size

      2.9MB

    • MD5

      01fc40917e3e56267e23bbcc3225d6d0

    • SHA1

      68a8782da431eddcf7ad88699580a7f034fffbe7

    • SHA256

      ff8addf2b89de210fa350138a30eaa67a5772f59dcd0480ffc9d339e7cdd266f

    • SHA512

      33d394bc795b96f815d47df8a382d720bfbb8b2d5e9288c868d83ff25712cd32737f1bf868f9ba238e72112b0cc425af538d3bc226267b38213fb364998b344c

    • SSDEEP

      49152:cu3XPRmBGiOoYcCeQE7Wq58ctIgktXub5PnyzMezAvKjGM76bfvgAz3:NXPR5JCyq5ptktgdn2RAvKjV767vgAz

    • Njrat family

    • RedLine

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

    • RedLine payload

    • Redline family

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Sectoprat family

    • Xmrig family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • xmrig

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Modifies Windows Firewall

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks