Analysis

  • max time kernel
    120s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 (228) 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:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini.tmp

    Filesize

    69KB

    MD5

    3ab8590ceadef7ac79cebdf067b80f73

    SHA1

    c8fdb489791e0ae093afdc2b87a7431ca776f125

    SHA256

    ff51171dfe1a05abdc883a04671b0a6bbe5a1a1570ca949f98e4465c1381a80e

    SHA512

    3c6978725421e6625197261874bf6fefac726027121b5f1b565b5481a711ecb61bb23fc9c22d09894bce713b5de29ab8416d69f2f02ca56995ff4fddf6dd81fb

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

    Filesize

    78KB

    MD5

    7f2e2530070193824ff5f414e08204ce

    SHA1

    b1b86eb8037ac2dd3ab1c6600b224b012515df85

    SHA256

    2c6ef50750f8f4bff6553453c6246c252819ae30a720be6aec851af18949952f

    SHA512

    5c59001fa0568f0b1d941575cdb0337d1318f4617ca1c7416e5ace3019a7258c7039417122b659cdda9ccbebd7bddd7455e3c8ac0570bf585b8e1f4a310b11de

  • memory/2880-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2880-18-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB