Overview

overview

10

Static

static

3

fd2f11c311...18.exe

windows7-x64

10

fd2f11c311...18.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    fd2f11c31192e8efe0eb4b37d1a5e1b6_JaffaCakes118
  • Size 9.5MB
  • Sample240420-vaycbsch78
  • SHA256 a15c3b6773fa9d8db715f8c557c76c95e8f84db0fa5046ed7a01589bfdc778b5
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
44caliberxmrigdiscoveryevasionminerspywarestealer

Malware Config

Extracted

Family

  • 44caliber

C2

  • https://discord.com/api/webhooks/868513655556292688/7ViWQKXofSCTi8VWoHEcGeQK61RUEBYfnsE72cu6TJnpHYwlgzbrVI5gQn_jpfUMFoS5

Targets

    • Target
      fd2f11c31192e8efe0eb4b37d1a5e1b6_JaffaCakes118
    • Size 9.5MB
    • SHA256 a15c3b6773fa9d8db715f8c557c76c95e8f84db0fa5046ed7a01589bfdc778b5
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    44caliberxmrigevasionminerspywarestealerdiscovery

    • 44Caliber

      An open source infostealer written in C#.

      stealer44caliber

    • xmrig

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

      minerxmrig

    • XMRig Miner payload

      miner

    • Stops running service(s)

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks