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Analysis

  • max time kernel
    91s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2023, 06:50

General

  • Target

    PURCHASE ORDER AVIXCOM.exe

  • Size

    801KB

  • MD5

    c4442bff6152a23ecca4ae0803e28211

  • SHA1

    be5bbb0591479ecf98f6780ab512f33a0d5b285e

  • SHA256

    42bf7d3068212fcc28e6642c1bd4194772639fed9e0eb6636b1c2fbd3048f2ac

  • SHA512

    92a6d5bce7c72160268f267780b6dfeac3429d261982a50035f5cb10ba6f616ab10468686d5c1484fa3fac7bd9700ada28a8c147f7e480de318dc2142f7c7388

  • SSDEEP

    24576:eJNxRpcconBuOhjSXXkVUANWjdk0ZNwxlhdrv/gg2:FVtWq0O1

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER AVIXCOM.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER AVIXCOM.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER AVIXCOM.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER AVIXCOM.exe"
      2⤵
        PID:4736
      • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER AVIXCOM.exe
        "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER AVIXCOM.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:828

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PURCHASE ORDER AVIXCOM.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/828-139-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/828-141-0x00000000052C0000-0x0000000005326000-memory.dmp

      Filesize

      408KB

    • memory/828-142-0x0000000006650000-0x00000000066A0000-memory.dmp

      Filesize

      320KB

    • memory/828-143-0x0000000006870000-0x0000000006A32000-memory.dmp

      Filesize

      1.8MB

    • memory/2620-132-0x0000000000E30000-0x0000000000EFE000-memory.dmp

      Filesize

      824KB

    • memory/2620-133-0x0000000005E60000-0x0000000006404000-memory.dmp

      Filesize

      5.6MB

    • memory/2620-134-0x00000000058B0000-0x0000000005942000-memory.dmp

      Filesize

      584KB

    • memory/2620-135-0x0000000005890000-0x000000000589A000-memory.dmp

      Filesize

      40KB

    • memory/2620-136-0x0000000008160000-0x00000000081FC000-memory.dmp

      Filesize

      624KB