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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 03:39

General

  • Target

    d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe

  • Size

    50KB

  • MD5

    00a8b3edd7ff4d6161fbb1fd161b8400

  • SHA1

    ba9e1f81213a22c0296aa3e840ef872898e2dda5

  • SHA256

    d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490

  • SHA512

    0afbfb81aa3411e1187c7ea39819310d9676bb848d3ba46583b2d3ea7a04ed26966e45d8f44b22be9f74068c45cb2cab406ccff1fa49736f5e9406bc7ed85b3c

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Y9sqAJwXqAJwE:V7Zf/FAxTWoJJ7Tm

Malware Config

Signatures

  • Renames multiple (3841) 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\d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe
    "C:\Users\Admin\AppData\Local\Temp\d3b8be3e55dbbc13c8168da1e79de70f9d397826d8c6ea436b086d4aabc72490N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-312935884-697965778-3955649944-1000\desktop.ini.tmp

    Filesize

    50KB

    MD5

    49b5c7bd452561af98e7f197b330f2e0

    SHA1

    6b9c06c634b6fd1796c4949b9e49d94982349e30

    SHA256

    846ad20c523992e0e6b3405fed5764621026527d24eb3887cc04d16bed402a9b

    SHA512

    63f344b294decd2cb1b3b108bf0e01f70eef7904713ee847315fa92f7656f014366df8b6790bbc454c87636fd6091e10a664e9b7b1dee7f21ee486560393b9c2

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

    Filesize

    59KB

    MD5

    fcd70bce142b54e61789ce41539ca6ff

    SHA1

    763d70d0de1028740a71f35764442f53b097ece6

    SHA256

    abaed666d7ef493660b423c8424b7dd85560b789619477ef959279c441f2e042

    SHA512

    113fd344bc4828aebb16036e3b45bcf60b90739e0130c4bd25d10d9e4265005689b6b6f8f25b98ac49328829a6e9bcbac4f0467c96a50cd917214a1a96124e77

  • memory/2684-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2684-74-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB