Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2023, 20:24

General

  • Target

    10b21af4da8e704772b3a68bf4195f84.exe

  • Size

    125KB

  • MD5

    10b21af4da8e704772b3a68bf4195f84

  • SHA1

    df782b72c2e14f73fb7fdf3bcf6404b1285ee099

  • SHA256

    b962460234df921e94fb18cfdb308141b7d6a75304089a6aa02be100a0a083c3

  • SHA512

    85c571b19fadc731210469981abce226c2de02aeb5123cc5d31e50443cff6e498ae53ad1826346105f268a29b37a42d5e11eca33cbadee6d6194eb577f051b81

  • SSDEEP

    3072:vpDBAKMk0gAN4lgOjCFQ2nf6bdtUNhomcN:vfMPgwIyNSb/Yho

Score
7/10

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10b21af4da8e704772b3a68bf4195f84.exe
    "C:\Users\Admin\AppData\Local\Temp\10b21af4da8e704772b3a68bf4195f84.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop "Symantec AntiVirus Client"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3344
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Symantec AntiVirus Client"
        3⤵
          PID:4444
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\System32\net.exe" stop "Symantec AntiVirus Server"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4316
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Symantec AntiVirus Server"
          3⤵
            PID:5084
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\System32\net.exe" stop "Rising Realtime Monitor Service"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:712
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Rising Realtime Monitor Service"
            3⤵
              PID:2752
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" ODBC16.dll ondll_reg
            2⤵
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:764
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" ODBC16.dll ondll_install
            2⤵
            • Loads dropped DLL
            PID:916
          • C:\Windows\SysWOW64\NetMeeting.exe
            "C:\Windows\System32\NetMeeting.exe"
            2⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • Suspicious use of SetWindowsHookEx
            PID:4112
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 2128
            2⤵
            • Program crash
            PID:1928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 2508 -ip 2508
          1⤵
            PID:4056
          • C:\Windows\system32\WerFault.exe
            "C:\Windows\system32\WerFault.exe" -k -lc NDIS NDIS-20231225-1522.dmp
            1⤵
              PID:2508

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\NetMeeting.exe

              Filesize

              60KB

              MD5

              068ab7aff165eaf4a6b5d1f5efc5779d

              SHA1

              73a804514776dfd459eeff5fe00a0d6fab0af268

              SHA256

              c0c8e4b525a79261a08fe87507f0c0e3bbe4b8f5e78c9a8d4b26bba4077d2708

              SHA512

              6053cd554427ebef13a7d405309b9ce3d675d81e389632e80b28bac7b0e1e7dc1913fee8dcfbc624ed091d62eeab51ad41d9124463548be9d32b8d33911b50ee

            • C:\Windows\SysWOW64\ODBC16.dll

              Filesize

              52KB

              MD5

              7d72bf5a3f74ddeb5a7a384a1f73be80

              SHA1

              2c7041e8b997996720772ed15ec5e978e3074795

              SHA256

              1e69e7b29420d2fc935664a76ee7015c53d8155c8d624258c30d4ed17a2bebff

              SHA512

              0652753b4fd5a1bad738b2299f00d0231c0a136c670278299e409624c6ed423ab66e0400814e20ffbbca87c75d60f1c893819c02cde372f99b584eba3d5c72d7

            • C:\Windows\SysWOW64\kernel66.dll

              Filesize

              125KB

              MD5

              10b21af4da8e704772b3a68bf4195f84

              SHA1

              df782b72c2e14f73fb7fdf3bcf6404b1285ee099

              SHA256

              b962460234df921e94fb18cfdb308141b7d6a75304089a6aa02be100a0a083c3

              SHA512

              85c571b19fadc731210469981abce226c2de02aeb5123cc5d31e50443cff6e498ae53ad1826346105f268a29b37a42d5e11eca33cbadee6d6194eb577f051b81

            • memory/764-30-0x0000000010000000-0x0000000010026000-memory.dmp

              Filesize

              152KB

            • memory/916-27-0x0000000010000000-0x0000000010026000-memory.dmp

              Filesize

              152KB

            • memory/2508-0-0x0000000000400000-0x000000000044C000-memory.dmp

              Filesize

              304KB

            • memory/2508-31-0x0000000003E90000-0x0000000003E9A000-memory.dmp

              Filesize

              40KB

            • memory/2508-34-0x0000000010000000-0x0000000010026000-memory.dmp

              Filesize

              152KB

            • memory/2508-35-0x0000000000400000-0x000000000044C000-memory.dmp

              Filesize

              304KB