Analysis

  • max time kernel
    153s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 07:27

General

  • Target

    3e6e1a944274e8abdfdd454adcf4aa14cfff60b85cb3fb752055c1a8540c82be.exe

  • Size

    729KB

  • MD5

    b2a44e0ca2fc4144ff899e7457a97024

  • SHA1

    1209c87ead7fc1e2c2274c9a3e50160874d0aeb4

  • SHA256

    3e6e1a944274e8abdfdd454adcf4aa14cfff60b85cb3fb752055c1a8540c82be

  • SHA512

    dbabfd326e1f2691ff5dbd71d3572e42358e0ae617d37a6839bf5e139bc37d732c56cbd979a4ef0d1a217129f5f51da1caf80249811607f1dbbb627e1659c038

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 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 3 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e6e1a944274e8abdfdd454adcf4aa14cfff60b85cb3fb752055c1a8540c82be.exe
    "C:\Users\Admin\AppData\Local\Temp\3e6e1a944274e8abdfdd454adcf4aa14cfff60b85cb3fb752055c1a8540c82be.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\3e6e1a944274e8abdfdd454adcf4aa14cfff60b85cb3fb752055c1a8540c82be.exe
      C:\Users\Admin\AppData\Local\Temp\3e6e1a944274e8abdfdd454adcf4aa14cfff60b85cb3fb752055c1a8540c82be.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2008
      • 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:1916
      • 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⤵
          PID:1752

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/756-56-0x00000000003C0000-0x00000000003C6000-memory.dmp
      Filesize

      24KB

    • memory/756-57-0x00000000763E1000-0x00000000763E3000-memory.dmp
      Filesize

      8KB

    • memory/756-59-0x0000000077490000-0x0000000077610000-memory.dmp
      Filesize

      1.5MB

    • memory/1752-89-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1752-86-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1752-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1752-82-0x0000000000442628-mapping.dmp
    • memory/1752-81-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1916-80-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1916-79-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1916-74-0x0000000000411654-mapping.dmp
    • memory/1916-77-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1916-73-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2008-71-0x0000000074660000-0x0000000074C0B000-memory.dmp
      Filesize

      5.7MB

    • memory/2008-72-0x0000000074660000-0x0000000074C0B000-memory.dmp
      Filesize

      5.7MB

    • memory/2008-78-0x0000000000555000-0x0000000000566000-memory.dmp
      Filesize

      68KB

    • memory/2008-70-0x0000000077490000-0x0000000077610000-memory.dmp
      Filesize

      1.5MB

    • memory/2008-69-0x0000000077490000-0x0000000077610000-memory.dmp
      Filesize

      1.5MB

    • memory/2008-66-0x00000000024F0000-0x0000000002586000-memory.dmp
      Filesize

      600KB

    • memory/2008-87-0x0000000000555000-0x0000000000566000-memory.dmp
      Filesize

      68KB

    • memory/2008-63-0x0000000000400000-0x000000000047B000-memory.dmp
      Filesize

      492KB

    • memory/2008-58-0x000000000048ED30-mapping.dmp