Analysis

  • max time kernel
    33s
  • max time network
    38s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 21:56

General

  • Target

    Setup.exe

  • Size

    303KB

  • MD5

    72f66470e3d5246aff4f3c0d087000bb

  • SHA1

    4cd6b127c956afddb8970b782437ea46032f7f13

  • SHA256

    d5e0a56884a1952a28fd950adafe59d8f5fbee01fbdd168ca1fff76ec4e78b00

  • SHA512

    7f517b91eba7aee75d79a24ac538f611c088b120bb5941d2644eae11ef4bd6d9378472cccef2e295f5c568a4523e8fca4c5361aad4699843ead80acb115a5185

  • SSDEEP

    6144:FNFT6MDdbICydeBpxUKCa269TwHfg6rmA1D0Ns4:FNzIKCa2yTnQ1DN4

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1260880233582690385/u7lBtqkjz1LNC0PjQqZri3i3mPGZS7FL3A0shj3caD8BnnqHy-kpvGoX4WP18uYMS3Yh

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3936-0-0x000002177BEC0000-0x000002177BF12000-memory.dmp

    Filesize

    328KB

  • memory/3936-1-0x00007FF9996E3000-0x00007FF9996E5000-memory.dmp

    Filesize

    8KB

  • memory/3936-32-0x00007FF9996E0000-0x00007FF99A1A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3936-33-0x00007FF9996E0000-0x00007FF99A1A1000-memory.dmp

    Filesize

    10.8MB