Analysis

  • max time kernel
    24s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12-07-2024 21:56

General

  • Target

    Setup.exe

  • Size

    303KB

  • MD5

    72f66470e3d5246aff4f3c0d087000bb

  • SHA1

    4cd6b127c956afddb8970b782437ea46032f7f13

  • SHA256

    d5e0a56884a1952a28fd950adafe59d8f5fbee01fbdd168ca1fff76ec4e78b00

  • SHA512

    7f517b91eba7aee75d79a24ac538f611c088b120bb5941d2644eae11ef4bd6d9378472cccef2e295f5c568a4523e8fca4c5361aad4699843ead80acb115a5185

  • SSDEEP

    6144:FNFT6MDdbICydeBpxUKCa269TwHfg6rmA1D0Ns4:FNzIKCa2yTnQ1DN4

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1260880233582690385/u7lBtqkjz1LNC0PjQqZri3i3mPGZS7FL3A0shj3caD8BnnqHy-kpvGoX4WP18uYMS3Yh

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:304
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 304 -s 1192
      2⤵
        PID:1996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/304-0-0x000007FEF5613000-0x000007FEF5614000-memory.dmp

      Filesize

      4KB

    • memory/304-1-0x0000000000820000-0x0000000000872000-memory.dmp

      Filesize

      328KB

    • memory/304-19-0x000007FEF5610000-0x000007FEF5FFC000-memory.dmp

      Filesize

      9.9MB

    • memory/304-20-0x000007FEF5613000-0x000007FEF5614000-memory.dmp

      Filesize

      4KB

    • memory/304-21-0x000007FEF5610000-0x000007FEF5FFC000-memory.dmp

      Filesize

      9.9MB