Analysis

  • max time kernel
    150s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 16:44

General

  • Target

    7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe

  • Size

    871KB

  • MD5

    6859c0d074553797b2c13c2efb9fcd3f

  • SHA1

    69cc977bec873ca83696c2ebe57d5bb53878e7e6

  • SHA256

    7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4

  • SHA512

    9c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4

  • SSDEEP

    12288:9JHKWU4Gg5Uwq792xTSEKs/nY13SgQP2DXDFPL0JheIVuakIKyliG0u:rKG3qdPmESpPSFPwJYauakIH+

Malware Config

Signatures

  • HawkEye

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

  • NirSoft WebBrowserPassView 12 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe
    "C:\Users\Admin\AppData\Local\Temp\7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe
      "C:\Users\Admin\AppData\Local\Temp\7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1080
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • 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:692
          • 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"
            5⤵
              PID:1440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      102B

      MD5

      8816d8114c827c26618d03ae63335713

      SHA1

      c9650802a8ac5614dbdaf12b0f48f6bb98a83a67

      SHA256

      e3923008fb65d297558c80c6e6e0a55a0e4565b3c2719f7fa41c27742aa069ad

      SHA512

      2d78419969fea87161e264a527fb626c366239bae9c72b89e308483834d0ae0ce0c565a241231611e9cb014c7018cee1e54b006568515c3b6b11f4f90fd75281

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      871KB

      MD5

      6859c0d074553797b2c13c2efb9fcd3f

      SHA1

      69cc977bec873ca83696c2ebe57d5bb53878e7e6

      SHA256

      7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4

      SHA512

      9c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      871KB

      MD5

      6859c0d074553797b2c13c2efb9fcd3f

      SHA1

      69cc977bec873ca83696c2ebe57d5bb53878e7e6

      SHA256

      7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4

      SHA512

      9c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      871KB

      MD5

      6859c0d074553797b2c13c2efb9fcd3f

      SHA1

      69cc977bec873ca83696c2ebe57d5bb53878e7e6

      SHA256

      7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4

      SHA512

      9c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      871KB

      MD5

      6859c0d074553797b2c13c2efb9fcd3f

      SHA1

      69cc977bec873ca83696c2ebe57d5bb53878e7e6

      SHA256

      7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4

      SHA512

      9c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      871KB

      MD5

      6859c0d074553797b2c13c2efb9fcd3f

      SHA1

      69cc977bec873ca83696c2ebe57d5bb53878e7e6

      SHA256

      7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4

      SHA512

      9c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4

    • memory/692-96-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/692-106-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/692-107-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/692-88-0x0000000000466A3E-mapping.dmp
    • memory/1080-73-0x0000000000000000-mapping.dmp
    • memory/1080-94-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1080-79-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1080-78-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1440-99-0x0000000000442628-mapping.dmp
    • memory/1440-102-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1440-103-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1440-98-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1440-105-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1712-54-0x00000000765B1000-0x00000000765B3000-memory.dmp
      Filesize

      8KB

    • memory/1712-55-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1712-56-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1712-70-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1744-63-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1744-57-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1744-58-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1744-62-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1744-77-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1744-64-0x0000000000466A3E-mapping.dmp
    • memory/1744-60-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1744-71-0x0000000074990000-0x0000000074F3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1744-68-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

    • memory/1744-66-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB