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Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2024, 23:29

General

  • Target

    8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe

  • Size

    59KB

  • MD5

    cf5b7a515d7790d0392ca5e935b2f2e0

  • SHA1

    b5d82bc5a16b745d9544d713a22b5663063309e7

  • SHA256

    8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726

  • SHA512

    05d78d6f681929510d814e96ffe580d5ed84684d2c12741e9ebfc45ba9c5f3aa5391cfd6b840ae121c2560968361ecb0bae88756a64ecea0004b18cb4c63fcdc

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9nPJc4yc4aYuEsYuEB:V7Zf/FAxTWoJJ7Tl6P

Malware Config

Signatures

  • Renames multiple (2817) 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\8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe
    "C:\Users\Admin\AppData\Local\Temp\8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3551809350-4263495960-1443967649-1000\desktop.ini.tmp

    Filesize

    60KB

    MD5

    d16b84a4854d9dcf21714a9bfbf0248e

    SHA1

    b51ea79d8c532fde6acec48679f4f6ed8772af09

    SHA256

    5f981bd8f044e5a8d3f43a458c106a586873dbc900aa557eaa8f427c5d0564e8

    SHA512

    8515e9f1864c460482ab49e67b75ff948d715183819840bdd528176699af5604f21dac7dc8f4ac7bf2ff3221e3b2534f9c6cc61401aa4182316ae4f3ec9b46d7

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

    Filesize

    69KB

    MD5

    321071294f61c7de648e863aff69065f

    SHA1

    d055e32b9a26ac05c0f880920c4e08c54547292f

    SHA256

    4510937e52266f946992ba9d191ff64af96e6511867e0827e2e9773f2100924e

    SHA512

    b2332dae73c4f40a47cdc9dd1797b5e8a04115744b614b6c7bf1d9d4b982b9d5e08ef52eeb57f13ef3f49795e210470b634de3327adef2b3c6766b204aae27fb

  • memory/2180-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2180-62-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB