Analysis

  • max time kernel
    137s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-08-2024 01:22

General

  • Target

    4187407e94e390b8916206e2714b4941cacd06c60f9a8662f41b847cab5f2d5f.exe

  • Size

    2.3MB

  • MD5

    8b4e3a62d01f4d0cf638607b5e7fb2a1

  • SHA1

    7af22d0699c5d98422672b502e3bdfec4d67ce96

  • SHA256

    4187407e94e390b8916206e2714b4941cacd06c60f9a8662f41b847cab5f2d5f

  • SHA512

    d0d7279583395eeb463e80e5ad065d95898198d6901e7ae922b939e11276c9a86bd2c3aee67f62675e524509e56079c8a9628056a56054ddfb3a7211c3294d30

  • SSDEEP

    49152:64ryFkp8Y4N1Pq3FKHv6T0x5E/aHJEt05iR:6qrpddVBTv

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4187407e94e390b8916206e2714b4941cacd06c60f9a8662f41b847cab5f2d5f.exe
    "C:\Users\Admin\AppData\Local\Temp\4187407e94e390b8916206e2714b4941cacd06c60f9a8662f41b847cab5f2d5f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 18 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "xxlooa" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\xxlooa.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 18
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1984
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "xxlooa" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\xxlooa.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 20 > nul && copy "C:\Users\Admin\AppData\Local\Temp\4187407e94e390b8916206e2714b4941cacd06c60f9a8662f41b847cab5f2d5f.exe" "C:\Users\Admin\AppData\Roaming\xxlooa.exe" && ping 127.0.0.1 -n 20 > nul && "C:\Users\Admin\AppData\Roaming\xxlooa.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4944
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 20
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3020
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 20
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:392
      • C:\Users\Admin\AppData\Roaming\xxlooa.exe
        "C:\Users\Admin\AppData\Roaming\xxlooa.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5008
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
            PID:2744
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
            4⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:1976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\xxlooa.exe

      Filesize

      2.3MB

      MD5

      8b4e3a62d01f4d0cf638607b5e7fb2a1

      SHA1

      7af22d0699c5d98422672b502e3bdfec4d67ce96

      SHA256

      4187407e94e390b8916206e2714b4941cacd06c60f9a8662f41b847cab5f2d5f

      SHA512

      d0d7279583395eeb463e80e5ad065d95898198d6901e7ae922b939e11276c9a86bd2c3aee67f62675e524509e56079c8a9628056a56054ddfb3a7211c3294d30

    • memory/1976-26-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/1976-33-0x0000000006620000-0x0000000006670000-memory.dmp

      Filesize

      320KB

    • memory/1976-32-0x0000000006770000-0x0000000006932000-memory.dmp

      Filesize

      1.8MB

    • memory/1976-29-0x0000000005140000-0x0000000005190000-memory.dmp

      Filesize

      320KB

    • memory/1976-31-0x0000000005200000-0x000000000524E000-memory.dmp

      Filesize

      312KB

    • memory/1976-27-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/4168-8-0x0000000007870000-0x000000000787A000-memory.dmp

      Filesize

      40KB

    • memory/4168-5-0x0000000006520000-0x00000000066EA000-memory.dmp

      Filesize

      1.8MB

    • memory/4168-9-0x00000000753A0000-0x0000000075B50000-memory.dmp

      Filesize

      7.7MB

    • memory/4168-10-0x00000000753A0000-0x0000000075B50000-memory.dmp

      Filesize

      7.7MB

    • memory/4168-11-0x00000000753AE000-0x00000000753AF000-memory.dmp

      Filesize

      4KB

    • memory/4168-12-0x00000000753A0000-0x0000000075B50000-memory.dmp

      Filesize

      7.7MB

    • memory/4168-3-0x0000000005F70000-0x0000000006514000-memory.dmp

      Filesize

      5.6MB

    • memory/4168-7-0x00000000052E0000-0x00000000052F8000-memory.dmp

      Filesize

      96KB

    • memory/4168-6-0x00000000753A0000-0x0000000075B50000-memory.dmp

      Filesize

      7.7MB

    • memory/4168-1-0x0000000000F40000-0x000000000118C000-memory.dmp

      Filesize

      2.3MB

    • memory/4168-14-0x00000000753A0000-0x0000000075B50000-memory.dmp

      Filesize

      7.7MB

    • memory/4168-4-0x00000000059C0000-0x0000000005A52000-memory.dmp

      Filesize

      584KB

    • memory/4168-2-0x0000000005860000-0x00000000058FC000-memory.dmp

      Filesize

      624KB

    • memory/4168-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

      Filesize

      4KB

    • memory/5008-25-0x0000000006F60000-0x0000000006F66000-memory.dmp

      Filesize

      24KB

    • memory/5008-20-0x0000000075370000-0x0000000075B20000-memory.dmp

      Filesize

      7.7MB

    • memory/5008-24-0x00000000097F0000-0x000000000980A000-memory.dmp

      Filesize

      104KB

    • memory/5008-30-0x0000000075370000-0x0000000075B20000-memory.dmp

      Filesize

      7.7MB

    • memory/5008-23-0x0000000075370000-0x0000000075B20000-memory.dmp

      Filesize

      7.7MB

    • memory/5008-22-0x0000000075370000-0x0000000075B20000-memory.dmp

      Filesize

      7.7MB

    • memory/5008-21-0x0000000000370000-0x00000000005BC000-memory.dmp

      Filesize

      2.3MB