Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    16-07-2024 04:06

General

  • Target

    6602a6768c612807b54ad5e282106d80N.exe

  • Size

    303KB

  • MD5

    6602a6768c612807b54ad5e282106d80

  • SHA1

    554c249b0b54838ab326ced44234018e3d26f6a5

  • SHA256

    fd0c25564e7fe0dbc2aa456defdbb4c8e4d3e6768adbc72462e9a3b48e63cb47

  • SHA512

    f161c5a194abfbf43c9930b7f3e99b6b41edb4abc0520ee292fc6189ba95a9b87525526eb454e18537147e4bae51828a530155392628a8755c9a6d91691937d4

  • SSDEEP

    6144:20tC6MDdbICydeB25aBRH5QreWQAKAKtBvUEWA1D0xYqnT:20q/BRH5QyYKZ1DwHnT

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1261337809793581077/th-zisFe-ONOBv0rIRsugBNZzyStJ-lRYkNoNm0Wd0XiY_0pKxTkCodWZeXwnZ-c_zi5

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\6602a6768c612807b54ad5e282106d80N.exe
    "C:\Users\Admin\AppData\Local\Temp\6602a6768c612807b54ad5e282106d80N.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1988 -s 820
      2⤵
        PID:1392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1988-0-0x000007FEF59C3000-0x000007FEF59C4000-memory.dmp

      Filesize

      4KB

    • memory/1988-1-0x00000000011A0000-0x00000000011F2000-memory.dmp

      Filesize

      328KB

    • memory/1988-19-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

      Filesize

      9.9MB

    • memory/1988-20-0x000007FEF59C3000-0x000007FEF59C4000-memory.dmp

      Filesize

      4KB

    • memory/1988-21-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

      Filesize

      9.9MB