Analysis

  • max time kernel
    137s
  • max time network
    206s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 05:12

General

  • Target

    0999b63ffa6c29dd12731cd246a22e273287f075af1f7e336541a367f747ade3.exe

  • Size

    472KB

  • MD5

    f4c848ec2137bcd25a580d3f36aafb7e

  • SHA1

    9fd7a9fef7435b1837b37e23ec2e014f4e28dac0

  • SHA256

    0999b63ffa6c29dd12731cd246a22e273287f075af1f7e336541a367f747ade3

  • SHA512

    61014a6fb4d9bd8c9f874b9030291ddfbe305f477ee38c353ce94cc79d0ce97b69c4691ac01ed0b68c30a7f8e163d48585f4c0f21e43211a15047a3787dd246d

  • SSDEEP

    12288:Or7/xshhnLnyR4VzrxSeoziOebPkw2vA2LtYxEqPiciqBgUIy:a/mhhLnyR4VzrxnoziZbPkwJsYxEqPi+

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    patrick11111

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
  • Loads dropped DLL 1 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 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0999b63ffa6c29dd12731cd246a22e273287f075af1f7e336541a367f747ade3.exe
    "C:\Users\Admin\AppData\Local\Temp\0999b63ffa6c29dd12731cd246a22e273287f075af1f7e336541a367f747ade3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "GoogleUpdate" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:788
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "GoogleUpdate" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe.lnk"
        3⤵
        • Adds Run key to start application
        PID:892
    • C:\Users\Admin\AppData\Local\Temp\0999b63ffa6c29dd12731cd246a22e273287f075af1f7e336541a367f747ade3.exe
      "C:\Users\Admin\AppData\Local\Temp\0999b63ffa6c29dd12731cd246a22e273287f075af1f7e336541a367f747ade3.exe"
      2⤵
      • 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:812
      • 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:784
      • 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⤵
          PID:872

    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

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe
      Filesize

      472KB

      MD5

      f4c848ec2137bcd25a580d3f36aafb7e

      SHA1

      9fd7a9fef7435b1837b37e23ec2e014f4e28dac0

      SHA256

      0999b63ffa6c29dd12731cd246a22e273287f075af1f7e336541a367f747ade3

      SHA512

      61014a6fb4d9bd8c9f874b9030291ddfbe305f477ee38c353ce94cc79d0ce97b69c4691ac01ed0b68c30a7f8e163d48585f4c0f21e43211a15047a3787dd246d

    • memory/784-78-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/784-90-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/784-84-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/784-82-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/784-79-0x0000000000411654-mapping.dmp
    • memory/788-59-0x0000000000000000-mapping.dmp
    • memory/812-73-0x0000000000400000-0x000000000048C000-memory.dmp
      Filesize

      560KB

    • memory/812-61-0x0000000000400000-0x000000000048C000-memory.dmp
      Filesize

      560KB

    • memory/812-66-0x0000000000400000-0x000000000048C000-memory.dmp
      Filesize

      560KB

    • memory/812-67-0x0000000000400000-0x000000000048C000-memory.dmp
      Filesize

      560KB

    • memory/812-68-0x0000000000485A6E-mapping.dmp
    • memory/812-70-0x0000000000400000-0x000000000048C000-memory.dmp
      Filesize

      560KB

    • memory/812-92-0x0000000000AE5000-0x0000000000AF6000-memory.dmp
      Filesize

      68KB

    • memory/812-64-0x0000000000400000-0x000000000048C000-memory.dmp
      Filesize

      560KB

    • memory/812-83-0x0000000000AE5000-0x0000000000AF6000-memory.dmp
      Filesize

      68KB

    • memory/812-76-0x0000000074CB0000-0x000000007525B000-memory.dmp
      Filesize

      5.7MB

    • memory/812-77-0x0000000074CB0000-0x000000007525B000-memory.dmp
      Filesize

      5.7MB

    • memory/812-62-0x0000000000400000-0x000000000048C000-memory.dmp
      Filesize

      560KB

    • memory/872-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/872-86-0x0000000000442628-mapping.dmp
    • memory/872-89-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/872-91-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/872-94-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/892-60-0x0000000000000000-mapping.dmp
    • memory/1188-57-0x0000000074CB0000-0x000000007525B000-memory.dmp
      Filesize

      5.7MB

    • memory/1188-54-0x00000000759F1000-0x00000000759F3000-memory.dmp
      Filesize

      8KB

    • memory/1188-74-0x0000000000B66000-0x0000000000B77000-memory.dmp
      Filesize

      68KB

    • memory/1188-56-0x0000000000B66000-0x0000000000B77000-memory.dmp
      Filesize

      68KB

    • memory/1188-72-0x0000000074CB0000-0x000000007525B000-memory.dmp
      Filesize

      5.7MB

    • memory/1188-55-0x0000000074CB0000-0x000000007525B000-memory.dmp
      Filesize

      5.7MB