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Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2024, 21:18

General

  • Target

    40313dfb1e7635e86f6c6b85f05f0abe4dd933f0a677fde1ba8d5c06b1fa39c9.exe

  • Size

    32KB

  • MD5

    0c424dbd79811a7686afcb87c145c131

  • SHA1

    e70b634eae6d28f003606499f722988d1beff2c5

  • SHA256

    40313dfb1e7635e86f6c6b85f05f0abe4dd933f0a677fde1ba8d5c06b1fa39c9

  • SHA512

    b641af75d242215c6b6dfa0ff3befb1d026b1634e1608672b57866bfa06beff512fb08883e276498dd46b2b5bcd513a393a5fb0fab8754b9a74192c5d4d74360

  • SSDEEP

    768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATBy9e9UfZfKF/MF/O:CTW7JJZENTBy9e9J2W

Malware Config

Signatures

  • Renames multiple (3773) 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\40313dfb1e7635e86f6c6b85f05f0abe4dd933f0a677fde1ba8d5c06b1fa39c9.exe
    "C:\Users\Admin\AppData\Local\Temp\40313dfb1e7635e86f6c6b85f05f0abe4dd933f0a677fde1ba8d5c06b1fa39c9.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3450744190-3404161390-554719085-1000\desktop.ini.tmp

    Filesize

    32KB

    MD5

    08f89800e87e3c21161e52fb0f9ad87c

    SHA1

    d3c6c97de4fe9c8f9560b3d3aa0b95006574102c

    SHA256

    b310ccbcc36e6a3812ac158680a82d6881a2c36688e793096a5d7c7f03adc7bf

    SHA512

    b30c1a0c2f3ca28ea0b325f536c8d5de9780f017daf8c52d4806aea3501c352d7f0d6f01028973d8fbc9360b3c15f3927f3748c299f79e87c5391a3588fe0dad

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

    Filesize

    41KB

    MD5

    aa7945a887f8e692ac57b9060953cbf5

    SHA1

    ca02436d4ecf9d1c26c5ffb57adac897172b003c

    SHA256

    050b2da7342a9beb2421a41b66f7fa4f45a5e975ac821fa89b6ef6f36ac934e4

    SHA512

    fda28e83e1943af9b4edadf3d7b7aa3f3b810683922cc6ffe008fa50d5f928b2a7bcc5cde8d64f56604e577c0cf67f57aeaf70528b880b9c8c6f4120871697ae

  • memory/2852-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2852-70-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB