Analysis

  • max time kernel
    163s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-03-2024 10:21

General

  • Target

    cdce543cd450caefdbb4a26d8166f6ed.exe

  • Size

    281KB

  • MD5

    cdce543cd450caefdbb4a26d8166f6ed

  • SHA1

    20e0e1d618d285ca41b11d94615a4cd05bc896a6

  • SHA256

    ab483f365d90ef57576d730e5386d3bd47deda47abfc1dc9bf3d71bb0044cfbe

  • SHA512

    724424c2b888d15834543541b76f7c12e2cdf370076ea8131b5d5f4a7cc41796599a54a55eac5477848fe0ea3d9acf34c9ef8d7091cfa15fa682c2b9c52c66c0

  • SSDEEP

    3072:KdH00+bxduBTyhNJU8g50X0psXd0MTHQqU/EbLIX+Fogj46tYZIkSiJOGA3hI/Ks:+4xduBOhNJVvQBILIX+FogjPYZTZ

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/765103913988784149/W5RQaou5OFSODUHo_pEb6-NGCPMx-yToLvIwdKe04A93TB7yZH7I2VNL839P5qrdt9tE

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\cdce543cd450caefdbb4a26d8166f6ed.exe
    "C:\Users\Admin\AppData\Local\Temp\cdce543cd450caefdbb4a26d8166f6ed.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3132-0-0x0000000000680000-0x00000000006CC000-memory.dmp

    Filesize

    304KB

  • memory/3132-11-0x00007FFA38810000-0x00007FFA392D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3132-12-0x000000001B330000-0x000000001B340000-memory.dmp

    Filesize

    64KB

  • memory/3132-33-0x00007FFA38810000-0x00007FFA392D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3132-34-0x000000001B330000-0x000000001B340000-memory.dmp

    Filesize

    64KB

  • memory/3132-35-0x00007FFA38810000-0x00007FFA392D1000-memory.dmp

    Filesize

    10.8MB