Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/05/2024, 16:49

General

  • Target

    okkkkkkkk.exe

  • Size

    120KB

  • MD5

    50c2221345a927e9b1f20f49f4e32230

  • SHA1

    8cf858f3776a4d9d4f99aac814f24e646118bf5c

  • SHA256

    a8e4778e5023373038c2214d85fcbdbfe0e5f63ad721bed8def3ab65d1f292cb

  • SHA512

    c04993299fbfbcd4faefbfdca3753ee7a21db3f6f82448e7eee615349fd8f68d9a60bd0f666f5830a2aff7d3bde5fe0873f7d75f9fb0018fb2f917c469501494

  • SSDEEP

    3072:436hbrS9B+R64paFhoLU56OGt0ClArUhn3NrsM3OA6GKGA:Bbr66leyiy6uhnSM6G1

Malware Config

Signatures

  • 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\okkkkkkkk.exe
    "C:\Users\Admin\AppData\Local\Temp\okkkkkkkk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\okkkkkkkk.exe
      "C:\Users\Admin\AppData\Local\Temp\okkkkkkkk.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3064

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2784-0-0x0000000074B21000-0x0000000074B22000-memory.dmp

          Filesize

          4KB

        • memory/2784-1-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/2784-2-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/2784-3-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/2784-20-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/3064-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/3064-22-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/3064-16-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3064-14-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3064-10-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3064-8-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3064-6-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3064-18-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3064-21-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/3064-4-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3064-19-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/3064-23-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/3064-24-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB

        • memory/3064-25-0x0000000074B20000-0x00000000750CB000-memory.dmp

          Filesize

          5.7MB