Analysis

  • max time kernel
    89s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 16:16

General

  • Target

    c1d361844740dd2caefe62dc78193a21.exe

  • Size

    303KB

  • MD5

    c1d361844740dd2caefe62dc78193a21

  • SHA1

    eb0eaca6314a0ced3c8dfe3594cad3fa00850fe7

  • SHA256

    9563049118d61a4e55b54ee7fc0f4c0984063598ec030c3ff6bc080e5320a4f2

  • SHA512

    e501307895b56d954d303ad41f01548f08d7e4e6f56c6218c84ca1fb797a86402b3038c0636771d083593c7e42189b360b69efb76db0a11abaecf7037f3c368f

  • SSDEEP

    6144:v0t2+muxwlpn10oVJ4C3CO2uWGcTATRsYQiANCpUxEJKWc+T5omu7Uk9NTeeqKAG:vchm2w90K4C3CO2uWGcTATRsYQiANCpY

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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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).

  • 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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1d361844740dd2caefe62dc78193a21.exe
    "C:\Users\Admin\AppData\Local\Temp\c1d361844740dd2caefe62dc78193a21.exe"
    1⤵
    • Checks computer location settings
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\c1d361844740dd2caefe62dc78193a21.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/5008-0-0x0000000000C30000-0x0000000000E77000-memory.dmp

    Filesize

    2.3MB

  • memory/5008-5-0x0000000000C30000-0x0000000000E77000-memory.dmp

    Filesize

    2.3MB

  • memory/5008-6-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/5008-54-0x0000000000C30000-0x0000000000E77000-memory.dmp

    Filesize

    2.3MB

  • memory/5008-63-0x0000000000C30000-0x0000000000E77000-memory.dmp

    Filesize

    2.3MB