Analysis

  • max time kernel
    103s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 12:16

General

  • Target

    0c3d8832405d8d7f4a04d73def58a210N.exe

  • Size

    303KB

  • MD5

    0c3d8832405d8d7f4a04d73def58a210

  • SHA1

    b0016f87a778266044a9ae936016a20f96a01908

  • SHA256

    8658029f6b2cd3a3b910b93268f32310569f2822d09c3e0e4a620a4898f234d1

  • SHA512

    78b4759c0a6c926a82fbe1f7dc964776b4823d62765b54188507b83303398c283902bb50ced34a62988b92ac8ac704e122d7b84da3fde203761034860df0c9c5

  • SSDEEP

    6144:TFcT6MDdbICydeBvtCikGW9KJj6bmA1D0i6c:TFK1CikGeK5g1DUc

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1274733479803879525/t1lC-nq9RKFCwLmKBFLxp6j0oVIQKItj_zI_ZKLQrseJqINyeQd10azRTTLtAgEBdWsb

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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\0c3d8832405d8d7f4a04d73def58a210N.exe
    "C:\Users\Admin\AppData\Local\Temp\0c3d8832405d8d7f4a04d73def58a210N.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4204-0-0x00007FF839FB3000-0x00007FF839FB5000-memory.dmp

    Filesize

    8KB

  • memory/4204-1-0x0000016877B50000-0x0000016877BA2000-memory.dmp

    Filesize

    328KB

  • memory/4204-28-0x00007FF839FB0000-0x00007FF83AA71000-memory.dmp

    Filesize

    10.8MB

  • memory/4204-33-0x00007FF839FB0000-0x00007FF83AA71000-memory.dmp

    Filesize

    10.8MB