Analysis

  • max time kernel
    141s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/11/2023, 03:19

General

  • Target

    3f1ba0dace898dc2cee247de5e15f068.exe

  • Size

    252KB

  • MD5

    3f1ba0dace898dc2cee247de5e15f068

  • SHA1

    e1fe1e8a75d490ea13736b38133a1ba930dca7e1

  • SHA256

    2057c7a12abf4e22415003004e057868610c699809b749f10aa9708b4c81157a

  • SHA512

    6ac4813ecbdcaa09659977508b7a97c7b0ec6322ba0a75b502ca07bc0a91759f07cc755f5348502f70cb7c9fcf1fffc0f96bd9b45ceeb254829cdca87a62f59a

  • SSDEEP

    3072:Bjf6OLLuaZj8wp6wPZ0FHQzzdoPCU1C6g2Okt6iZ0R2RYcBXSJckSHCAu:5LLXZLGHQz53U1C6gJYRnCJ

Malware Config

Signatures

  • Downloads MZ/PE file
  • 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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f1ba0dace898dc2cee247de5e15f068.exe
    "C:\Users\Admin\AppData\Local\Temp\3f1ba0dace898dc2cee247de5e15f068.exe"
    1⤵
    • Checks computer location settings
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\3f1ba0dace898dc2cee247de5e15f068.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4408
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:3268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 2116
      2⤵
      • Program crash
      PID:2348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3632 -ip 3632
    1⤵
      PID:3416
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:1836
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4268

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

              Filesize

              16KB

              MD5

              958d28cb747b14b3484217875b9d238c

              SHA1

              6a0a0074be24856d42d350ecba738a650f47fafd

              SHA256

              b618b95d7076f55c798d880be0d4fb58824e5a73ac987caf0e6012466898c46a

              SHA512

              71eb1adb559ca866b356e31c223c0f0204fc016243b1ba4a8c7f4a0eaf3ef1524b82d63e732eb7233279ae56abad4d43b70ee23c9f28142a01cfdfa32feeabe8

            • memory/3632-1-0x00000000007C0000-0x00000000008C0000-memory.dmp

              Filesize

              1024KB

            • memory/3632-2-0x00000000023A0000-0x00000000023C6000-memory.dmp

              Filesize

              152KB

            • memory/3632-3-0x0000000000400000-0x0000000000639000-memory.dmp

              Filesize

              2.2MB

            • memory/3632-7-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/3632-25-0x0000000000400000-0x0000000000639000-memory.dmp

              Filesize

              2.2MB

            • memory/3632-27-0x00000000023A0000-0x00000000023C6000-memory.dmp

              Filesize

              152KB

            • memory/4268-62-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-66-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-61-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-44-0x0000020E5FB60000-0x0000020E5FB70000-memory.dmp

              Filesize

              64KB

            • memory/4268-63-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-64-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-65-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-60-0x0000020E68150000-0x0000020E68151000-memory.dmp

              Filesize

              4KB

            • memory/4268-67-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-68-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-69-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-70-0x0000020E68170000-0x0000020E68171000-memory.dmp

              Filesize

              4KB

            • memory/4268-71-0x0000020E67DA0000-0x0000020E67DA1000-memory.dmp

              Filesize

              4KB

            • memory/4268-28-0x0000020E5FA60000-0x0000020E5FA70000-memory.dmp

              Filesize

              64KB