Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2025, 12:36

General

  • Target

    226270f50c49bb830c26fea7aa4bdc98cc8543d5878227e0eaea717973bc0742.exe

  • Size

    303KB

  • MD5

    a7c46d89223aae0247743ad157d5bb99

  • SHA1

    30d8138399a6ab984f6587dc59a5a872c3028b98

  • SHA256

    226270f50c49bb830c26fea7aa4bdc98cc8543d5878227e0eaea717973bc0742

  • SHA512

    6a439332ba8add9fb64c14232010793dbca3455743f73755980549fbf45137d4082e4158db9813b3e9489e47f55353869f1e58f9d425181aa11121cab534b922

  • SSDEEP

    6144:tJFT6MDdbICydeB7jAm6XWjV/N5e6rmA1D0dQw:tJzXAm6XWh/CQ1Ddw

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1248020250486902824/TkMj5f9npQC-r0dbczquh_D_SL4JTnEoHzVZ8lmRNJKNQq_i_S5ue4Gli64qNfMQUz7T

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • 44Caliber family
  • 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\226270f50c49bb830c26fea7aa4bdc98cc8543d5878227e0eaea717973bc0742.exe
    "C:\Users\Admin\AppData\Local\Temp\226270f50c49bb830c26fea7aa4bdc98cc8543d5878227e0eaea717973bc0742.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2720 -s 1176
      2⤵
        PID:2592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2720-0-0x000007FEF4E83000-0x000007FEF4E84000-memory.dmp

      Filesize

      4KB

    • memory/2720-1-0x00000000001C0000-0x0000000000212000-memory.dmp

      Filesize

      328KB

    • memory/2720-6-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

      Filesize

      9.9MB

    • memory/2720-20-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

      Filesize

      9.9MB