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Analysis

  • max time kernel
    150s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 01:37

General

  • Target

    155af7e68c9240026fe4db7deed2611c6d5641641f8d295ca1565eb4718c37faN.exe

  • Size

    52KB

  • MD5

    37b65f86aba2dab93dfab47817eeb270

  • SHA1

    37d994fc2af4770d74ad80126dce4faf2c604a21

  • SHA256

    155af7e68c9240026fe4db7deed2611c6d5641641f8d295ca1565eb4718c37fa

  • SHA512

    932106594abba02e909e07c278864823b039b46547adfd1303b84bfe79983ca2c45c5ec66f6d91218979beba89e6cd358613ae91984d1f0879f66b6a3635c7b5

  • SSDEEP

    384:yBs7Br5xjL8AgA71Fbhva4S04Shk5c5iZGba14:/7BlpQpARFbhS101hk5c5iZGbJ

Score
9/10

Malware Config

Signatures

  • Renames multiple (5249) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • 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\155af7e68c9240026fe4db7deed2611c6d5641641f8d295ca1565eb4718c37faN.exe
    "C:\Users\Admin\AppData\Local\Temp\155af7e68c9240026fe4db7deed2611c6d5641641f8d295ca1565eb4718c37faN.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

    Filesize

    53KB

    MD5

    a94c0ee2a6bd69da5656836dcb7b838f

    SHA1

    78c8c9f635be5d36d80c7991fccfd84b56e9f0d3

    SHA256

    462840a3d4dd7b87c0003a0b2d8a19d65672dbb98b2013c024dbdc1228b11888

    SHA512

    19928779c6475324a829dea1a1b7a4891d1097496ec6bd8feb72a2a135ca5071d4013eb1f13ec2f769ef5a6d4f5cc1c14000c173118c50b7931a5e12328e38b6

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

    Filesize

    152KB

    MD5

    0a73934006408c34a5412ecb9dad2a8e

    SHA1

    ea4da36c80eafc427798e53eb3ddff6695b7fc26

    SHA256

    c3465a55b83bf64d21b7dc9a713aaa713206fd014c8da8991782209daf6c8fd2

    SHA512

    4db9b3d1a0ec58b68da4fa944844448841e5ff5dd55210fe20850c2e4972af3b603d84084fbf621563e4f2283eed884f432a07435c4c400f119632540fecf940

  • memory/3904-0-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/3904-868-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB