Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 03:43

General

  • Target

    b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe

  • Size

    303KB

  • MD5

    ef510464a3d8928dbccdab5cbe2249c0

  • SHA1

    a20c03443a8279717430b86cdbc38fe6ada088eb

  • SHA256

    b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453

  • SHA512

    97a6ab7759834b4bb2db5a8ebadc3c549bc5383edb2358cbb69a19c1e1de9529fc083f4d4e6cc87bf4be421766036a04c2bab482436234046731424167153d31

  • SSDEEP

    6144:8Xt3T6MDdbICydeBimcmXKhJUPw6jmA1D0bVs:8XttpcmXKnUoY1Dms

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1292528994620538911/b4Kbyxg1xDjUFAcWJSUfjn2DKcY8pdGE4lxFXa8owajjCsbtPiwbxPBB9k29Y86QwgML

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 3 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\b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe
    "C:\Users\Admin\AppData\Local\Temp\b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1188-0-0x00007FFE16013000-0x00007FFE16015000-memory.dmp

    Filesize

    8KB

  • memory/1188-1-0x000001A9B0030000-0x000001A9B0082000-memory.dmp

    Filesize

    328KB

  • memory/1188-31-0x00007FFE16010000-0x00007FFE16AD1000-memory.dmp

    Filesize

    10.8MB

  • memory/1188-32-0x00007FFE16010000-0x00007FFE16AD1000-memory.dmp

    Filesize

    10.8MB