Analysis

  • max time kernel
    71s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 17:39

General

  • Target

    e7232b9dd98638844d94c9bcc75aa843df74bbc45ce7737f6376f9058900514e.exe

  • Size

    600KB

  • MD5

    fdd05b9f1aa34b6f20a0e40a6aac6572

  • SHA1

    af224a4c88a07bd9bd31088ba5dc10cc13d12795

  • SHA256

    e7232b9dd98638844d94c9bcc75aa843df74bbc45ce7737f6376f9058900514e

  • SHA512

    e26e42083e4a342fe1d2bf25c3581dc09e82bb53c05bb774c5c47afa05d44a35f0e95e99a39666f5bc8edfd4a84b06c98dc574a92e71851501c87696b81d83e0

  • SSDEEP

    12288:XIvthDKXrSVqkC9GHJXsmNtV9Px8BGvia8gG+hX6rB6ta:XAhDKXHgHJ8atV9PWa8gGWX6rBR

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 10 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 15 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\e7232b9dd98638844d94c9bcc75aa843df74bbc45ce7737f6376f9058900514e.exe
    "C:\Users\Admin\AppData\Local\Temp\e7232b9dd98638844d94c9bcc75aa843df74bbc45ce7737f6376f9058900514e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\e7232b9dd98638844d94c9bcc75aa843df74bbc45ce7737f6376f9058900514e.exe
      "C:\Users\Admin\AppData\Local\Temp\e7232b9dd98638844d94c9bcc75aa843df74bbc45ce7737f6376f9058900514e.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1176
      • 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:1888
      • 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:1808

    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

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    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/1104-69-0x0000000074760000-0x0000000074D0B000-memory.dmp
      Filesize

      5.7MB

    • memory/1104-55-0x0000000074760000-0x0000000074D0B000-memory.dmp
      Filesize

      5.7MB

    • memory/1104-56-0x0000000074760000-0x0000000074D0B000-memory.dmp
      Filesize

      5.7MB

    • memory/1104-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmp
      Filesize

      8KB

    • memory/1176-70-0x0000000074760000-0x0000000074D0B000-memory.dmp
      Filesize

      5.7MB

    • memory/1176-76-0x00000000023B5000-0x00000000023C6000-memory.dmp
      Filesize

      68KB

    • memory/1176-62-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1176-63-0x000000000047EA7E-mapping.dmp
    • memory/1176-65-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1176-67-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1176-60-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1176-58-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1176-87-0x00000000023B5000-0x00000000023C6000-memory.dmp
      Filesize

      68KB

    • memory/1176-57-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1176-78-0x0000000074760000-0x0000000074D0B000-memory.dmp
      Filesize

      5.7MB

    • memory/1176-61-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1808-81-0x0000000000442628-mapping.dmp
    • memory/1808-80-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1808-84-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1808-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1808-88-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1888-77-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1888-75-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1888-79-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1888-71-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1888-72-0x0000000000411654-mapping.dmp