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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 (5189) 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:4900

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

    50KB

    MD5

    fe6e0b316782b0abbea16cca846ffc3f

    SHA1

    db5e2c498527cccaf0ac1a765b05d1465f06ffd2

    SHA256

    dda79eed5e084b2ac4ff26a4a8c2a33a3f99b9f708b9ab605701a500ca59dbb5

    SHA512

    538b2245a6df9710b3e6352d54b59b3914d39cd2d81afc3fb9e8f760715c6be5265a5e0de4a25a111c9bde0a505c10337734777aabc6f05a2877064e519c44ba

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

    Filesize

    149KB

    MD5

    1225eac950b5319402265fa1cd1b53ee

    SHA1

    8bdd51ea22dcf1829542cf97dd9283e3e1badf8a

    SHA256

    f0acd7133313b5456927ee932219ae0fc8db029cc6fe622967fd444558615fec

    SHA512

    edc0df406ec9f2b213a6c25905992365ccd6dec90ab1eb1827ff25a9cc027230c69de2351186bb737350849868142dd08ea3d5877b0e6a1adbb1a0dd8c85938f

  • memory/4900-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4900-776-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB