Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2023 09:21

General

  • Target

    tmpqlvnosza.exe

  • Size

    658KB

  • MD5

    5e9a63f5b3d8f53478a2889c0eefd510

  • SHA1

    d6d545146b969ac2ea389a1f11ffcda377549da2

  • SHA256

    4c312e3cce557ee17db0299bcc112699e616fb162afdadf12a41815a4a314b5c

  • SHA512

    2ee785eafa4ff4e738f13c26659b479ef84d52977e0c6d054c4b38f228959a0909b8652923b821d557bef7ae3e5f129e6b2c5039b83bb1a71ef464d6e5ef5e87

  • SSDEEP

    12288:gXQnnE6+s3WsZ/lkwR939lgKFWRg1xY0VcRuaHuatAUz3huJ7XrjaJ+:gXQnnYsNHXR9NlgobVcUK7UXrj++

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tcci.org.sa
  • Port:
    587
  • Username:
    [email protected]
  • 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\tmpqlvnosza.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpqlvnosza.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:3304
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
        PID:3284
      • C:\Users\Admin\AppData\Local\Temp\tmpqlvnosza.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpqlvnosza.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:2044
        • 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:2440
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe"
            4⤵
              PID:3892
            • 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:3808
              • 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:2124
              • 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:4156

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          49B

          MD5

          192f84fd20e23fee0b0c37b618a5a3ad

          SHA1

          8aa09422bf68759bf79b374070080760f84ee197

          SHA256

          b5e09479ec3550cdaa5b819cd26f9a0947b09971d01abc2e71bdee8a96e367a8

          SHA512

          518098c115766f1883e1576e80fb855b4be45b45ddcd55cc757da777fef561a818e5fc178f1b82fd86c1f78e9aef9e0c297b467b27a7a8e2681051457ac765d8

        • 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

          658KB

          MD5

          5e9a63f5b3d8f53478a2889c0eefd510

          SHA1

          d6d545146b969ac2ea389a1f11ffcda377549da2

          SHA256

          4c312e3cce557ee17db0299bcc112699e616fb162afdadf12a41815a4a314b5c

          SHA512

          2ee785eafa4ff4e738f13c26659b479ef84d52977e0c6d054c4b38f228959a0909b8652923b821d557bef7ae3e5f129e6b2c5039b83bb1a71ef464d6e5ef5e87

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

          Filesize

          658KB

          MD5

          5e9a63f5b3d8f53478a2889c0eefd510

          SHA1

          d6d545146b969ac2ea389a1f11ffcda377549da2

          SHA256

          4c312e3cce557ee17db0299bcc112699e616fb162afdadf12a41815a4a314b5c

          SHA512

          2ee785eafa4ff4e738f13c26659b479ef84d52977e0c6d054c4b38f228959a0909b8652923b821d557bef7ae3e5f129e6b2c5039b83bb1a71ef464d6e5ef5e87

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

          Filesize

          658KB

          MD5

          5e9a63f5b3d8f53478a2889c0eefd510

          SHA1

          d6d545146b969ac2ea389a1f11ffcda377549da2

          SHA256

          4c312e3cce557ee17db0299bcc112699e616fb162afdadf12a41815a4a314b5c

          SHA512

          2ee785eafa4ff4e738f13c26659b479ef84d52977e0c6d054c4b38f228959a0909b8652923b821d557bef7ae3e5f129e6b2c5039b83bb1a71ef464d6e5ef5e87

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

          Filesize

          658KB

          MD5

          5e9a63f5b3d8f53478a2889c0eefd510

          SHA1

          d6d545146b969ac2ea389a1f11ffcda377549da2

          SHA256

          4c312e3cce557ee17db0299bcc112699e616fb162afdadf12a41815a4a314b5c

          SHA512

          2ee785eafa4ff4e738f13c26659b479ef84d52977e0c6d054c4b38f228959a0909b8652923b821d557bef7ae3e5f129e6b2c5039b83bb1a71ef464d6e5ef5e87

        • memory/2044-138-0x0000000001130000-0x0000000001140000-memory.dmp

          Filesize

          64KB

        • memory/2044-137-0x0000000000400000-0x0000000000484000-memory.dmp

          Filesize

          528KB

        • memory/2044-141-0x0000000001130000-0x0000000001140000-memory.dmp

          Filesize

          64KB

        • memory/2124-162-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2124-164-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2124-165-0x0000000000420000-0x00000000004E9000-memory.dmp

          Filesize

          804KB

        • memory/2124-166-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2440-150-0x0000000000FD0000-0x0000000000FE0000-memory.dmp

          Filesize

          64KB

        • memory/2440-167-0x0000000000FD0000-0x0000000000FE0000-memory.dmp

          Filesize

          64KB

        • memory/3304-133-0x0000000001870000-0x0000000001880000-memory.dmp

          Filesize

          64KB

        • memory/3808-159-0x00000000017E0000-0x00000000017F0000-memory.dmp

          Filesize

          64KB

        • memory/3808-169-0x00000000017E0000-0x00000000017F0000-memory.dmp

          Filesize

          64KB

        • memory/3808-170-0x00000000017E0000-0x00000000017F0000-memory.dmp

          Filesize

          64KB

        • memory/3808-155-0x00000000017E0000-0x00000000017F0000-memory.dmp

          Filesize

          64KB

        • memory/4156-171-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/4156-173-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/4156-177-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/4156-181-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB