Overview

overview

10

Static

static

7

3b1e7e5df7...e1.exe

windows7-x64

10

3b1e7e5df7...e1.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    3b1e7e5df7f530ad30e29bb081f1c6e1
  • Size 20.1MB
  • Sample231225-y572sshcbp
  • SHA256 50feea35e7a324e67b951d06fc3f0f5b01199b47b3cfb5a693e33eec699f84f2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
44caliberevasionspywarestealerthemidatrojan

Malware Config

Extracted

Family

  • 44caliber

C2

  • https://discord.com/api/webhooks/870328559921668146/kazDUWGIa2HOkULS2qQpDIz38by-5RiNdWFILJQZSPRi2F9j1-5L1rtRf7yO0-V87Q4N

Targets

    • Target
      3b1e7e5df7f530ad30e29bb081f1c6e1
    • Size 20.1MB
    • SHA256 50feea35e7a324e67b951d06fc3f0f5b01199b47b3cfb5a693e33eec699f84f2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    44caliberevasionspywarestealerthemidatrojan

    • 44Caliber

      An open source infostealer written in C#.

      stealer44caliber

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

      evasion

    • Checks BIOS information in registry

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

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks whether UAC is enabled

      evasiontrojan

    • 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 NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks