Analysis

  • max time kernel
    118s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2024 17:13

General

  • Target

    13b470ab4c1dde94867a567d88fdb673_JaffaCakes118.exe

  • Size

    646KB

  • MD5

    13b470ab4c1dde94867a567d88fdb673

  • SHA1

    ffd3e2e7dc16bbe5d3e5b64ecae040a924cbcdc2

  • SHA256

    519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb

  • SHA512

    74ddc6aa93a5890762e856d2bb1b74cdf2acf1609edb27b3b790ad3efdbae00104ce5640ebc6b7edae07fe3267b5b4320a4c6bcb1400dc116a07f24b8242b568

  • SSDEEP

    12288:u1PyErR7/1fRwhRkZAxk9jwhcyEGrHmvduHcyB8AjbZ+NdNbnFupx5I:sP9wv8Axk9mESHmvdu8SNPZAN

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 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 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
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13b470ab4c1dde94867a567d88fdb673_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\13b470ab4c1dde94867a567d88fdb673_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\13b470ab4c1dde94867a567d88fdb673_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rGaqmF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2220
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2500
        • 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"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:1620
        • 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"
          4⤵
            PID:292

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp
      Filesize

      1KB

      MD5

      83bbc14e057b17335862853574785d1c

      SHA1

      cf981e70b83a81629f7babe3943209fddd348c86

      SHA256

      0ad11ff6b5ae813aa398cc0f93f60fe850e0479cd58074209a564ebed10649ce

      SHA512

      db89d419f007b723fa5f068b902782f3769fcec5f2d21f83558e84d07c9e8fd001fa7f890e63deecab8f2ca9e48f64a5df55fa2bbcb500fe5a6a889d364de405

    • memory/292-38-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/292-40-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/292-37-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1620-36-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1620-35-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1620-34-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2388-0-0x0000000074661000-0x0000000074662000-memory.dmp
      Filesize

      4KB

    • memory/2388-1-0x0000000074660000-0x0000000074C0B000-memory.dmp
      Filesize

      5.7MB

    • memory/2388-2-0x0000000074660000-0x0000000074C0B000-memory.dmp
      Filesize

      5.7MB

    • memory/2388-3-0x0000000074660000-0x0000000074C0B000-memory.dmp
      Filesize

      5.7MB

    • memory/2500-33-0x00000000005C0000-0x00000000005C8000-memory.dmp
      Filesize

      32KB

    • memory/2500-20-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2500-23-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2500-18-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2500-27-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2500-25-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2500-26-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/2500-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2500-16-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/3064-28-0x00000000716D0000-0x0000000071DBE000-memory.dmp
      Filesize

      6.9MB

    • memory/3064-10-0x00000000716D0000-0x0000000071DBE000-memory.dmp
      Filesize

      6.9MB

    • memory/3064-9-0x00000000716DE000-0x00000000716DF000-memory.dmp
      Filesize

      4KB

    • memory/3064-8-0x00000000050A0000-0x0000000005130000-memory.dmp
      Filesize

      576KB

    • memory/3064-7-0x00000000716D0000-0x0000000071DBE000-memory.dmp
      Filesize

      6.9MB

    • memory/3064-6-0x00000000042D0000-0x0000000004378000-memory.dmp
      Filesize

      672KB

    • memory/3064-5-0x0000000000C50000-0x0000000000C5C000-memory.dmp
      Filesize

      48KB

    • memory/3064-4-0x00000000716DE000-0x00000000716DF000-memory.dmp
      Filesize

      4KB