Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    17-07-2024 12:37

General

  • Target

    7934625ee2b46883d287d31cb3d1d0b2eb3a0ac2a59a22d434b16513af3d1b11.exe

  • Size

    684KB

  • MD5

    52cdf9dc4986a5df3e8b0df4c4d77da6

  • SHA1

    81309c26783f809f9c98edae4a0730aab1bf5ad6

  • SHA256

    7934625ee2b46883d287d31cb3d1d0b2eb3a0ac2a59a22d434b16513af3d1b11

  • SHA512

    44df0ce2bed5238a1c51419b70f8d45c0ebc7ad7938012e9ff71512f51ae9df501dd67863716b8a8362df1079c472ef86a50cd8bbab648d4613bd663f6ce53b3

  • SSDEEP

    12288:Ixd0h1smbbWC+G/d8ke2Ov71Qoh1PCtCSqBHPuDxcSMa+58tbRC:IxRmbyC+Od8cOvWsZVW

Malware Config

Signatures

  • Jigsaw Ransomware

    Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

  • Renames multiple (2029) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7934625ee2b46883d287d31cb3d1d0b2eb3a0ac2a59a22d434b16513af3d1b11.exe
    "C:\Users\Admin\AppData\Local\Temp\7934625ee2b46883d287d31cb3d1d0b2eb3a0ac2a59a22d434b16513af3d1b11.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Macroid\macroid.exe
      "C:\Users\Admin\AppData\Local\Macroid\macroid.exe" C:\Users\Admin\AppData\Local\Temp\7934625ee2b46883d287d31cb3d1d0b2eb3a0ac2a59a22d434b16513af3d1b11.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\invalid32x32.gif.pornoransom

    Filesize

    160B

    MD5

    580ee0344b7da2786da6a433a1e84893

    SHA1

    60f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e

    SHA256

    98b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513

    SHA512

    356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba

  • C:\Users\Admin\AppData\Local\Macroid\macroid.exe

    Filesize

    684KB

    MD5

    52cdf9dc4986a5df3e8b0df4c4d77da6

    SHA1

    81309c26783f809f9c98edae4a0730aab1bf5ad6

    SHA256

    7934625ee2b46883d287d31cb3d1d0b2eb3a0ac2a59a22d434b16513af3d1b11

    SHA512

    44df0ce2bed5238a1c51419b70f8d45c0ebc7ad7938012e9ff71512f51ae9df501dd67863716b8a8362df1079c472ef86a50cd8bbab648d4613bd663f6ce53b3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\DNTException\container.dat.pornoransom

    Filesize

    16B

    MD5

    8ebcc5ca5ac09a09376801ecdd6f3792

    SHA1

    81187142b138e0245d5d0bc511f7c46c30df3e14

    SHA256

    619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880

    SHA512

    cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650

  • memory/2292-1-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2292-3-0x00000000002E0000-0x000000000037C000-memory.dmp

    Filesize

    624KB

  • memory/2292-0-0x000007FEF6BDE000-0x000007FEF6BDF000-memory.dmp

    Filesize

    4KB

  • memory/2292-10-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2292-2-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2992-258-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2992-12-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2992-257-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2992-259-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2992-13-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2992-11-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2992-2053-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB

  • memory/2992-2056-0x000007FEF6920000-0x000007FEF72BD000-memory.dmp

    Filesize

    9.6MB