Analysis

  • max time kernel
    96s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:58

General

  • Target

    bd97fa4a869e6abe3d7281da4732db2a1f6878925095aa0c23acd64ea99af938.exe

  • Size

    611KB

  • MD5

    ad47cfd40857dc7a8560e13a21446d3c

  • SHA1

    95b8a713ff383777cebf0a5fb9b5bd78be9b3195

  • SHA256

    bd97fa4a869e6abe3d7281da4732db2a1f6878925095aa0c23acd64ea99af938

  • SHA512

    b32fdf3cf8605d2766e427281ff908f954315d586b16383adc4aa22294f7800d4ff2cd8c9526b050489532f6da5a349fd8d041b71cc4cef4d3bca068a77dd5f8

  • SSDEEP

    12288:ahJlg4a4SkSxK9CJnIv5eBMfUSOxwGCTRywJPc171VQQFy6Pu:WJta4SrsC1xMccGA7JUdAQF

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd97fa4a869e6abe3d7281da4732db2a1f6878925095aa0c23acd64ea99af938.exe
    "C:\Users\Admin\AppData\Local\Temp\bd97fa4a869e6abe3d7281da4732db2a1f6878925095aa0c23acd64ea99af938.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\bd97fa4a869e6abe3d7281da4732db2a1f6878925095aa0c23acd64ea99af938.exe
      "C:\Users\Admin\AppData\Local\Temp\bd97fa4a869e6abe3d7281da4732db2a1f6878925095aa0c23acd64ea99af938.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1296
      • 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:1036
      • 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:1164

    Network

    MITRE ATT&CK Enterprise v6

    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/1036-72-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1036-79-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1036-78-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1036-77-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1036-73-0x0000000000411654-mapping.dmp

    • memory/1164-88-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1164-85-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1164-84-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1164-80-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1164-81-0x0000000000442628-mapping.dmp

    • memory/1296-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1296-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1296-71-0x0000000074120000-0x00000000746CB000-memory.dmp

      Filesize

      5.7MB

    • memory/1296-86-0x0000000000545000-0x0000000000556000-memory.dmp

      Filesize

      68KB

    • memory/1296-67-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1296-75-0x0000000000545000-0x0000000000556000-memory.dmp

      Filesize

      68KB

    • memory/1296-65-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1296-70-0x0000000074120000-0x00000000746CB000-memory.dmp

      Filesize

      5.7MB

    • memory/1296-63-0x000000000047EA5E-mapping.dmp

    • memory/1296-57-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1296-60-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1296-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1996-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

      Filesize

      8KB

    • memory/1996-69-0x0000000074120000-0x00000000746CB000-memory.dmp

      Filesize

      5.7MB

    • memory/1996-56-0x0000000074120000-0x00000000746CB000-memory.dmp

      Filesize

      5.7MB

    • memory/1996-55-0x0000000074120000-0x00000000746CB000-memory.dmp

      Filesize

      5.7MB