Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2023 18:10

General

  • Target

    d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98.exe

  • Size

    661KB

  • MD5

    d793dff0e3e0046d9f13c9b75d4d67a1

  • SHA1

    2357b41b9a5d5d4880cdfc76724bc96931e9e643

  • SHA256

    d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98

  • SHA512

    2bcde02d15c5497ab0a17d445abc9a7b4bccd50732ace2b2d99e6820d420a16b76262a5ff6472389733e1f71e33de7ff9fcecfdc99c5630a0666bc8539f602e3

  • SSDEEP

    12288:AMx+hr1rttGnqqzhY/RG5/weutM7eiWZ0rgkHgqmCSni7KtaNy3P4Z95lW0pDl:pkrPGn3aImeutR0ZHgd67KtaNGAZ9GI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tcci.org.sa
  • Port:
    587
  • Username:
    khedre@tcci.org.sa
  • Password:
    Brown3044

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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
  • Drops desktop.ini file(s) 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98.exe
    "C:\Users\Admin\AppData\Local\Temp\d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
        PID:4928
      • C:\Users\Admin\AppData\Local\Temp\d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98.exe
        "C:\Users\Admin\AppData\Local\Temp\d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:264
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2380
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe"
            4⤵
              PID:4804
            • C:\Users\Admin\AppData\Roaming\Windows Update.exe
              "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
              4⤵
              • Executes dropped EXE
              • 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:1952
              • 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"
                5⤵
                • Accesses Microsoft Outlook accounts
                PID:4476
              • 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:3816

        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

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          102B

          MD5

          6e45457a23d0e813a664786eff397389

          SHA1

          e819e1d2e29f1ef81dcc779fd514bdc21a38b1f6

          SHA256

          6641419d2a47de562312be1161f08911e3034ab08d42d2cca5ffe6cd6a47b6ff

          SHA512

          cee3080bf8027823d7b6abda2c0d5b8d19cee57e72499eb04046131c64b569528a4f7aca8b8da8c56468df7d78958961f6535dc44e26d91cb0b98ae1c3e63f59

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

          3KB

          MD5

          f94dc819ca773f1e3cb27abbc9e7fa27

          SHA1

          9a7700efadc5ea09ab288544ef1e3cd876255086

          SHA256

          a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

          SHA512

          72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

        • C:\Users\Admin\AppData\Local\Temp\svhost.exe
          Filesize

          89KB

          MD5

          84c42d0f2c1ae761bef884638bc1eacd

          SHA1

          4353881e7f4e9c7610f4e0489183b55bb58bb574

          SHA256

          331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3

          SHA512

          43c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87

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

          661KB

          MD5

          d793dff0e3e0046d9f13c9b75d4d67a1

          SHA1

          2357b41b9a5d5d4880cdfc76724bc96931e9e643

          SHA256

          d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98

          SHA512

          2bcde02d15c5497ab0a17d445abc9a7b4bccd50732ace2b2d99e6820d420a16b76262a5ff6472389733e1f71e33de7ff9fcecfdc99c5630a0666bc8539f602e3

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

          661KB

          MD5

          d793dff0e3e0046d9f13c9b75d4d67a1

          SHA1

          2357b41b9a5d5d4880cdfc76724bc96931e9e643

          SHA256

          d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98

          SHA512

          2bcde02d15c5497ab0a17d445abc9a7b4bccd50732ace2b2d99e6820d420a16b76262a5ff6472389733e1f71e33de7ff9fcecfdc99c5630a0666bc8539f602e3

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

          661KB

          MD5

          d793dff0e3e0046d9f13c9b75d4d67a1

          SHA1

          2357b41b9a5d5d4880cdfc76724bc96931e9e643

          SHA256

          d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98

          SHA512

          2bcde02d15c5497ab0a17d445abc9a7b4bccd50732ace2b2d99e6820d420a16b76262a5ff6472389733e1f71e33de7ff9fcecfdc99c5630a0666bc8539f602e3

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

          661KB

          MD5

          d793dff0e3e0046d9f13c9b75d4d67a1

          SHA1

          2357b41b9a5d5d4880cdfc76724bc96931e9e643

          SHA256

          d2b638bc930015604dbede40dc3cb202e1fbfa8956c6168923e0bc0bfd400d98

          SHA512

          2bcde02d15c5497ab0a17d445abc9a7b4bccd50732ace2b2d99e6820d420a16b76262a5ff6472389733e1f71e33de7ff9fcecfdc99c5630a0666bc8539f602e3

        • memory/264-142-0x00000000017E0000-0x00000000017F0000-memory.dmp
          Filesize

          64KB

        • memory/264-138-0x00000000017E0000-0x00000000017F0000-memory.dmp
          Filesize

          64KB

        • memory/264-137-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB

        • memory/1044-133-0x00000000008B0000-0x00000000008C0000-memory.dmp
          Filesize

          64KB

        • memory/1952-169-0x00000000016D0000-0x00000000016E0000-memory.dmp
          Filesize

          64KB

        • memory/1952-154-0x00000000016D0000-0x00000000016E0000-memory.dmp
          Filesize

          64KB

        • memory/1952-156-0x00000000016D0000-0x00000000016E0000-memory.dmp
          Filesize

          64KB

        • memory/1952-170-0x00000000016D0000-0x00000000016E0000-memory.dmp
          Filesize

          64KB

        • memory/2380-155-0x0000000000BF0000-0x0000000000C00000-memory.dmp
          Filesize

          64KB

        • memory/3816-171-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/3816-173-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/3816-177-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/3816-181-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/4476-167-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/4476-166-0x0000000000420000-0x00000000004E9000-memory.dmp
          Filesize

          804KB

        • memory/4476-165-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/4476-164-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/4476-162-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB