Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 02:28

General

  • Target

    a680029a0a1bd1aa336b5e4086104f21f2a97b054e6fb1b9fb122ed32786ce12.exe

  • Size

    303KB

  • MD5

    5fd5700f4787f405bc2a0fc6e6233037

  • SHA1

    ba4e438f6976803a6965fb5dd7187a9f0674e4c8

  • SHA256

    a680029a0a1bd1aa336b5e4086104f21f2a97b054e6fb1b9fb122ed32786ce12

  • SHA512

    f221ee33b25b57a3c39e5e0f872ecdf987dacfb6d134b93efa87b91868e685533e564f62975af5b5e36524f1d0dd505835f84bfe7385c98942feab254a4e9c23

  • SSDEEP

    6144:yFcT6MDdbICydeBvtCikGW9KJj6TmA1D0efJ:yFK1CikGeK5o1D1J

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1324061351169101927/Upg-sOh6FXJYwbAsqIx2PTZdfYr6z3JtFkd-CN6KxlCaM74dpejrx9TbGUYSk03-Cb92

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\a680029a0a1bd1aa336b5e4086104f21f2a97b054e6fb1b9fb122ed32786ce12.exe
    "C:\Users\Admin\AppData\Local\Temp\a680029a0a1bd1aa336b5e4086104f21f2a97b054e6fb1b9fb122ed32786ce12.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2516 -s 1188
      2⤵
        PID:1828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2516-0-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

      Filesize

      4KB

    • memory/2516-1-0x0000000000920000-0x0000000000972000-memory.dmp

      Filesize

      328KB

    • memory/2516-20-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

      Filesize

      9.9MB

    • memory/2516-21-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

      Filesize

      9.9MB