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Analysis

  • max time kernel
    95s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/09/2024, 06:01

General

  • Target

    Ransom.Win32.Tescrypt.exe

  • Size

    68KB

  • MD5

    ea181c784d007ed62403d5a6c766a610

  • SHA1

    a0edb8ef1fd5674a36adc48c218ae951cf17d1c3

  • SHA256

    deddb8383fc1b2f35138408351d07b090b9bd8dd3bd43e04d5c3ffd42a6d003a

  • SHA512

    34e7c090f22544f01e416c560bdd510bfcba9e0d002567c6050dfd748000abef1bf61d6704f0cde481f0ac90a62134a3b1cd8c6041708152de2a190422c6572a

  • SSDEEP

    1536:fgWJBwVSclkxvodVSXq7vTFtb47XPArcxvgLLqZ10CmuJdr:fgWJi1kxvqVCq7LFtE7/ArcxkOZ1Bbdr

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe
      C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:4732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe

    Filesize

    68KB

    MD5

    09be69f0cd232b2540d3694c6e376cd6

    SHA1

    4a96e8f0598a69f676738cff9a2684248def9d18

    SHA256

    f8039256e37501d32a8c3e2edacf916d1a752769fe2e4ead834d5546876691e6

    SHA512

    3edca41d0dc14bbcca53cb656a6d487f96369824ba6fcdc0b1deb157254be51fa4961c1edd6d88205909bd52b5c306ccccd772b2c48fd69488e81f1abe122e73

  • memory/4732-12-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/4732-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4732-14-0x0000000000190000-0x000000000019E000-memory.dmp

    Filesize

    56KB

  • memory/4732-20-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4732-25-0x00000000014C0000-0x00000000014DB000-memory.dmp

    Filesize

    108KB

  • memory/4732-26-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/5116-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/5116-1-0x00000000000E0000-0x00000000000EE000-memory.dmp

    Filesize

    56KB

  • memory/5116-2-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5116-13-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB