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Analysis

  • max time kernel
    15s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2276
    • 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:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    68KB

    MD5

    8dd58a04dd612b151a12237cc1b8f51a

    SHA1

    0678ee4abb5697ac3b6a7ca26256cfe8108fd63b

    SHA256

    419fba3da38978b857eddeecee40fe8fcd62503ee5532ceeb836f62ea264c2c5

    SHA512

    26dc1c8835e47892f4d59cbde5a8b431803e1e36f4377d9a96f54c27f484ccac3fcb77e78b77b708068fda4769f69e0e7cd03281dbe0a8b06a32c98d395ac855

  • memory/2176-17-0x0000000000030000-0x000000000003E000-memory.dmp

    Filesize

    56KB

  • memory/2176-28-0x00000000001F0000-0x000000000020B000-memory.dmp

    Filesize

    108KB

  • memory/2176-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2176-23-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2176-29-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2276-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2276-1-0x0000000000030000-0x000000000003E000-memory.dmp

    Filesize

    56KB

  • memory/2276-2-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2276-12-0x00000000001F0000-0x000000000022A000-memory.dmp

    Filesize

    232KB

  • memory/2276-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB