Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    19-05-2024 18:01

General

  • Target

    0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5.exe

  • Size

    47KB

  • MD5

    ed3a9817328547480076ef8e1e48bc0b

  • SHA1

    218a7b659078f07892d3e9a9905324b0eb95a5ba

  • SHA256

    0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5

  • SHA512

    f0e44829ac76c832bf67bd11193f9d3fb91e13f34110c6dd9f751dc79e2605811a99f149e942509d8dfbb7e461adb6d95735ff6fd378527ea4755fbf98034bf4

  • SSDEEP

    768:BvqfRgrW3UJR/01V+FIpUY21RTjI4I17i6WrggpWxjW6msMev+JN5uMYqDYY:QfKrGUXyYFIpUYIpIRi7xyGsMev+JNwg

Malware Config

Signatures

  • Jigsaw Ransomware

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

  • Renames multiple (2036) 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\0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5.exe
    "C:\Users\Admin\AppData\Local\Temp\0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    160B

    MD5

    000e8c41d4a15fb34d0be0dbb56e3778

    SHA1

    00c4eae64ee6239d7c65d819c6ce1ac329224f8c

    SHA256

    8bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28

    SHA512

    775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af

  • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe

    Filesize

    47KB

    MD5

    ed3a9817328547480076ef8e1e48bc0b

    SHA1

    218a7b659078f07892d3e9a9905324b0eb95a5ba

    SHA256

    0e70bac97f8a8d4eda6347afe83c870b6f87f05f2fe3e7fb0bfcad7b29d0c5e5

    SHA512

    f0e44829ac76c832bf67bd11193f9d3fb91e13f34110c6dd9f751dc79e2605811a99f149e942509d8dfbb7e461adb6d95735ff6fd378527ea4755fbf98034bf4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\container.dat.fun

    Filesize

    16B

    MD5

    cfdae8214d34112dbee6587664059558

    SHA1

    f649f45d08c46572a9a50476478ddaef7e964353

    SHA256

    33088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325

    SHA512

    c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3

  • memory/2180-0-0x000007FEF5F4E000-0x000007FEF5F4F000-memory.dmp

    Filesize

    4KB

  • memory/2180-1-0x0000000000180000-0x0000000000196000-memory.dmp

    Filesize

    88KB

  • memory/2180-8-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

    Filesize

    9.6MB

  • memory/2560-265-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

    Filesize

    9.6MB

  • memory/2560-264-0x000007FEF55AE000-0x000007FEF55AF000-memory.dmp

    Filesize

    4KB

  • memory/2560-11-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

    Filesize

    9.6MB

  • memory/2560-266-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

    Filesize

    9.6MB

  • memory/2560-10-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

    Filesize

    9.6MB

  • memory/2560-9-0x000007FEF55AE000-0x000007FEF55AF000-memory.dmp

    Filesize

    4KB

  • memory/2560-2058-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

    Filesize

    9.6MB

  • memory/2560-2060-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

    Filesize

    9.6MB

  • memory/2560-2062-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

    Filesize

    9.6MB

  • memory/2560-2063-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

    Filesize

    9.6MB