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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/09/2024, 03:27

General

  • Target

    8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe

  • Size

    55KB

  • MD5

    254b590f2e892d668f1bcd3eb0316122

  • SHA1

    97c69410d9885682af94be3f92dcd26a10b6c569

  • SHA256

    8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf

  • SHA512

    e73260e98c8377eba17e332582445ffabdeaca3272b17c39065fb677650eb5ee04e1f2c6000d686363884d169ae255b9f9a567f9a920338eb3e2217e697aced5

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9ZJW5eiW5ei9:V7Zf/FAxTWoJJ7TzJWDWD9

Malware Config

Signatures

  • Renames multiple (3526) 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\8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe
    "C:\Users\Admin\AppData\Local\Temp\8d8356f65f26af41b2bb4a9a44d3c8186f7a6537cb4fb4774815a05fc04a20cf.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    b287ff6227539f1ee2216b9db9e996d8

    SHA1

    01af1ff04d0c84a310c8a7b01b6442d7a1aec92b

    SHA256

    086f21bf9515c5f4d9ce088b3921de7003e403540737859ae40dca42da4fff6a

    SHA512

    17d9400837916a9c66cb8690151fd66e41794b34c6c746880394afc0d21dea6874dacdb3c08f4c0d94b3c83f912d8e139dfdf7320d4f6e64fa076693deea699f

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

    Filesize

    64KB

    MD5

    caf9616344f304c708ab2d39d8127877

    SHA1

    6a8ac0c52784b777707825a53039b9606284824b

    SHA256

    a936531163f9677e1661c0eeb03a1d428fa2c860454fbec7eee2c4b26880a4d3

    SHA512

    8e2646ba5454425317dfe3b65219e56cbdc9c8897eda658bd484199336dc4929e652e389627932e5d59135f75405e407f1808c7f1f08d4e54af51f759636d69e

  • memory/2520-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2520-68-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB