Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2024 02:07

General

  • Target

    8c1ea259c73fa16d6c2f8a2535b7049331419a026e2393c7ba760d4b6ff59861N.exe

  • Size

    69KB

  • MD5

    917d4136268063f61ebc0c06a04fd5b0

  • SHA1

    c008465fc6c70ee68bdd3a70730738596422c43f

  • SHA256

    8c1ea259c73fa16d6c2f8a2535b7049331419a026e2393c7ba760d4b6ff59861

  • SHA512

    eb3d45d4e99f970ee3ca6a7cae64b42018666c5e050fcd379a3d6d08cbaf82d323f56529b0ae081bd7ae04c09933139d625709ed0c66131e17b1ee651693c9b3

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9HxBpi1xYQwOMDDQwOMDS:V7Zf/FAxTWoJJ7TBkvwOLwOT

Malware Config

Signatures

  • Renames multiple (4543) 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\8c1ea259c73fa16d6c2f8a2535b7049331419a026e2393c7ba760d4b6ff59861N.exe
    "C:\Users\Admin\AppData\Local\Temp\8c1ea259c73fa16d6c2f8a2535b7049331419a026e2393c7ba760d4b6ff59861N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

    Filesize

    69KB

    MD5

    145a5e0acf4ce1357e04d0bf28bbf5aa

    SHA1

    6c55ebf4a68321f8d6192b45ce2ea80f015e6a41

    SHA256

    ac2895275a57365feaef19ff0eeff834b1919daf4397cfbc016c67e9680d67da

    SHA512

    089e653ed6b1d9033b77e8bb2cfde6b80a6d08d339115de67c285c8373b3c24a8675a569699edcf3de143fc1a37d03d1cce4ade2f17626cfe3e1c03830657039

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    168KB

    MD5

    0177df4255d188d80e03fb5c36d8cb1a

    SHA1

    a2d1a08031862d8b7a979b9cd8e928127884ea0a

    SHA256

    2bdddf28bbc19d2255ec1dc6a3c97f18d2f2bd8a9265128c62f37c569ed2853a

    SHA512

    a573f05001ed84949325de06788ebd089a3ef5a8a4d4085c175a92d14ece770749e33db3e8e2efc2c6547d41c0d5c131890ce131498b14179f49b28846276598

  • memory/3112-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3112-664-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB