Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 04:17

General

  • Target

    9faa5628994016d0fac644f5f194f6a9ab40d4693870e097c84acd811518a5da.exe

  • Size

    303KB

  • MD5

    94c441fea4c7c290b3c1aedd34c01c49

  • SHA1

    270604ea4f4a625e041bdca2bb71363674640b7b

  • SHA256

    9faa5628994016d0fac644f5f194f6a9ab40d4693870e097c84acd811518a5da

  • SHA512

    834d62f876150c39b347d06633146e8cc61431f1d946e2897052dce85b029907e6421b3e0df979e9ace527741e21bbfcd69ccf5cbb0a191e247ed2e07d609be3

  • SSDEEP

    6144:51E0T6MDdbICydeB1MnyCvGBpmIBW6TmA1D0ADx:51z6yCvGnmIco1Dbx

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1333416198070861874/lkCSbBCw93TgVpHQ0wO0CybItAMXiVCLjpAgz6V_gxra20AWwAZcJ2p8_lKhMMTm1StO

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\9faa5628994016d0fac644f5f194f6a9ab40d4693870e097c84acd811518a5da.exe
    "C:\Users\Admin\AppData\Local\Temp\9faa5628994016d0fac644f5f194f6a9ab40d4693870e097c84acd811518a5da.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2648 -s 1028
      2⤵
        PID:2820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2648-0-0x000007FEF4D23000-0x000007FEF4D24000-memory.dmp

      Filesize

      4KB

    • memory/2648-1-0x00000000013E0000-0x0000000001432000-memory.dmp

      Filesize

      328KB

    • memory/2648-19-0x000007FEF4D20000-0x000007FEF570C000-memory.dmp

      Filesize

      9.9MB

    • memory/2648-20-0x000007FEF4D20000-0x000007FEF570C000-memory.dmp

      Filesize

      9.9MB