Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2023 07:31

General

  • Target

    23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

  • Size

    477KB

  • MD5

    447f1d5a645314beb0b1d6b0f2f5119f

  • SHA1

    23ee744fa24aaada6ab0a81166c2f5466d29d502

  • SHA256

    850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92

  • SHA512

    2a4ed5f9a933ef0330c81672c17623143ee0c3693d6c56c85632c0bac2b7a8fb049bae0af904a1bd2a16db8ac338d78d0928e0edc7f5d866170d25c19407e752

  • SSDEEP

    3072:N36LY3qIwBzFyIR+DSbhsR2OsHas+8yqB1LuiCx8V8rIiJzQvstptE8z0N:N36hWsHtlLv8EiFES0

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
    "C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:1324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1816
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:1504
    • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
      C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
      2⤵
        PID:3500
      • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
        C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
        2⤵
          PID:2720
        • C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
          C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:1304

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Command-Line Interface

      1
      T1059

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      3
      T1081

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      3
      T1082

      Collection

      Data from Local System

      3
      T1005

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe.log
        Filesize

        1KB

        MD5

        13b08803e0bb671919478d178f19d6e2

        SHA1

        9f8c1d2a16446f9ee1e3244f48d372aecccf4dd9

        SHA256

        bab001392f6a9fc257a302cf557c9f571c7b352f41aedda14b049976ee5fd1c9

        SHA512

        2fe208b9958329734a5c6ce6aa526ee20d2c02d351927e75f85f27c2ffdc3c9e3413c17dc6e0dd9eefc3fb379e936b6bef2984a6e44ffafdc7600f590398016f

      • memory/1304-155-0x00000000073A0000-0x0000000007562000-memory.dmp
        Filesize

        1.8MB

      • memory/1304-154-0x0000000007170000-0x00000000071C0000-memory.dmp
        Filesize

        320KB

      • memory/1304-153-0x0000000006EB0000-0x0000000006EBA000-memory.dmp
        Filesize

        40KB

      • memory/1304-151-0x0000000000400000-0x0000000000430000-memory.dmp
        Filesize

        192KB

      • memory/1304-150-0x0000000000000000-mapping.dmp
      • memory/1324-135-0x0000000000000000-mapping.dmp
      • memory/1392-146-0x0000000000000000-mapping.dmp
      • memory/1504-147-0x0000000000000000-mapping.dmp
      • memory/1816-138-0x0000000004CD0000-0x00000000052F8000-memory.dmp
        Filesize

        6.2MB

      • memory/1816-137-0x00000000024F0000-0x0000000002526000-memory.dmp
        Filesize

        216KB

      • memory/1816-143-0x0000000005FC0000-0x0000000005FDA000-memory.dmp
        Filesize

        104KB

      • memory/1816-136-0x0000000000000000-mapping.dmp
      • memory/1816-142-0x0000000007330000-0x00000000079AA000-memory.dmp
        Filesize

        6.5MB

      • memory/1816-141-0x0000000005AD0000-0x0000000005AEE000-memory.dmp
        Filesize

        120KB

      • memory/1816-140-0x0000000005460000-0x00000000054C6000-memory.dmp
        Filesize

        408KB

      • memory/1816-139-0x0000000005300000-0x0000000005366000-memory.dmp
        Filesize

        408KB

      • memory/2720-149-0x0000000000000000-mapping.dmp
      • memory/3500-148-0x0000000000000000-mapping.dmp
      • memory/4460-145-0x0000000007BF0000-0x0000000008194000-memory.dmp
        Filesize

        5.6MB

      • memory/4460-132-0x0000000000AD0000-0x0000000000B4C000-memory.dmp
        Filesize

        496KB

      • memory/4460-144-0x0000000005E80000-0x0000000005F12000-memory.dmp
        Filesize

        584KB

      • memory/4460-133-0x0000000006D40000-0x0000000006D62000-memory.dmp
        Filesize

        136KB

      • memory/4908-134-0x0000000000000000-mapping.dmp