Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 19:39

General

  • Target

    637fe7662560ccf1891459b8730570323d3ca1ce165204c550a9923dd1784f97.exe

  • Size

    53KB

  • MD5

    55ea72c5060c4c3e00686166e67afd26

  • SHA1

    c45be02a96d971fec76870862948e1f5b5eda0de

  • SHA256

    637fe7662560ccf1891459b8730570323d3ca1ce165204c550a9923dd1784f97

  • SHA512

    a365713332259b323b8837cdfb3568a204b66543ddb074cb3ab0f8ef78a71aaefdf0f26da60b91ce2c111e286c67205d4eee7506aa644aa12c417c116789545a

  • SSDEEP

    768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNy2/mepYXwILQ7ZVnEbisFhiXFharp:CTW7JJZENTNyavf73tQqarnp/

Malware Config

Signatures

  • Renames multiple (3680) files with added filename extension

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

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\637fe7662560ccf1891459b8730570323d3ca1ce165204c550a9923dd1784f97.exe
    "C:\Users\Admin\AppData\Local\Temp\637fe7662560ccf1891459b8730570323d3ca1ce165204c550a9923dd1784f97.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2532

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\$Recycle.Bin\S-1-5-21-2872745919-2748461613-2989606286-1000\desktop.ini.tmp

          Filesize

          54KB

          MD5

          f13d0ea56a9808efca769cf10146d784

          SHA1

          40c36582d68ca2118fa4c1cee593524276f273fc

          SHA256

          f6549e6febfc7a85f0f69e45a102f70e72c84633e3dbfce115e45600c8ed24e6

          SHA512

          1de090dd701fd234892d692b40c1ef416c019409ea88ec91c91bb03b8ceb0c9a90e079efcf23d2ae486f5855ee7db199a99021cc87f3f33ac76d57fa6cdc3f7e

        • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

          Filesize

          63KB

          MD5

          72818d78353a87c7d8799c38da2d9ad2

          SHA1

          f37d4964318e1fde47af7a687abb774a0538dcc5

          SHA256

          5e2de7be1c14da7eac12dfbbd6653786f023373698d1a3b52de7e481d5d7ae95

          SHA512

          0c51630c29b21c386999b337cda979248ae237461f1feacaf5028742244d98a637a3a60ad886ced9177cad7a1df9a6f7084cf41762a4e93b1c045ade80665113

        • memory/2532-0-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

        • memory/2532-69-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB