Analysis

  • max time kernel
    125s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 13:39

General

  • Target

    59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe

  • Size

    456KB

  • MD5

    90caac4f6cdbf7973a865dedf54255cd

  • SHA1

    2b3deb23d17ec7dac24eb87d3b71788d55b89f59

  • SHA256

    59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1

  • SHA512

    6fa9e0d81da84ee8a2b9d07ee8d9148758a36fe61429f7c284262ba4426c7ea1396f8abdbdacb23b95e55254d2db23a97f923ac2418a346dee2e75434793010b

  • SSDEEP

    6144:xlkWyyvotlKtJrVtDsSC97H+vNzm7+ud+uZVAfGuPm59HeXQR1RsyLk6h3kcqkNy:Lkn66gjq9L+8Rqje+XQRTJg6Kc3w9

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 9 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 13 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe
    "C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\754388607.xml"
      2⤵
      • Creates scheduled task(s)
      PID:4304
    • C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe
      "C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe"
      2⤵
        PID:1588
      • C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe
        "C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:2128
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1732
      • C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe
        "C:\Users\Admin\AppData\Local\Temp\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe"
        2⤵
          PID:1152

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Scripting

      1
      T1064

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Collection

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\59c53813afac19d4a6439af414597d529dcf973c04ba99a94f40d2de8d7a51d1.exe.log
        Filesize

        312B

        MD5

        1754173b0ed4624c61fcf04f894e5bb6

        SHA1

        2fbf7999a2e14f19c9aeb1ac0e58b8a3859368b1

        SHA256

        19e1f5731300f62cc4bb6eac90e96b7ff5de1bf8c13a434f1a7e38ee6927d757

        SHA512

        63ae7b7da19c5b65ce73565042cf7386c8d53ab6645b901a9f684d5039e28addd91938d8d61cec153b675e80c25d92fae62bff53edf19914643c94f3a56db710

      • C:\Users\Admin\AppData\Local\Temp\754388607.xml
        Filesize

        1KB

        MD5

        4e1e96184cca8ccd62dae03526b8f9fd

        SHA1

        259b956d57405e2744c5381b821eefbd7ba39b39

        SHA256

        17bb9543355c25b4fff3583adb4372975017f69ee18dca65b6b7ceec419ddf37

        SHA512

        030fb59af86dcc31eb568fc2465658896aef521ad746209b466d69537f6f4eb8a0dc03d80c64f2f118f11986915feb3b3d215db471c4c07124926547479e1c41

      • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
        Filesize

        3KB

        MD5

        f94dc819ca773f1e3cb27abbc9e7fa27

        SHA1

        9a7700efadc5ea09ab288544ef1e3cd876255086

        SHA256

        a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

        SHA512

        72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

      • memory/796-132-0x0000000074F10000-0x00000000754C1000-memory.dmp
        Filesize

        5.7MB

      • memory/796-141-0x0000000074F10000-0x00000000754C1000-memory.dmp
        Filesize

        5.7MB

      • memory/1732-155-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1732-153-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1732-152-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1732-150-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1732-149-0x0000000000000000-mapping.dmp
      • memory/2128-144-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/2128-143-0x0000000000000000-mapping.dmp
      • memory/2128-146-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/2128-147-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/2608-148-0x0000000074F10000-0x00000000754C1000-memory.dmp
        Filesize

        5.7MB

      • memory/2608-142-0x0000000074F10000-0x00000000754C1000-memory.dmp
        Filesize

        5.7MB

      • memory/2608-135-0x0000000000000000-mapping.dmp
      • memory/2608-137-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/2608-136-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/2608-138-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/4304-133-0x0000000000000000-mapping.dmp