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Analysis

  • max time kernel
    120s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    02/09/2024, 11:37

General

  • Target

    b4415cac8dd4c8e0ec6bd09640c44cb0N.exe

  • Size

    83KB

  • MD5

    b4415cac8dd4c8e0ec6bd09640c44cb0

  • SHA1

    1cbbc4f2b88741b93ca9a776d754d7f200cbb5f4

  • SHA256

    f30c81ed4b090ea9da31912bea660ea39320e9a67f9012c5474e2e2a14f9cb8c

  • SHA512

    fc1a99b6a3ca5ed8a83a07080d5e57af1c488f1033664f3c4e59537c826ba829c39d61fcef7cbb7a53a291bf0dc47310f28b16d965cc0336b6979a1370d3b439

  • SSDEEP

    384:yBs7Br5xjL8AgA71FbhvJUfWGUfHjtmjtd5NaMR5NaBQNNmPx/Pxv:/7BlpQpARFbhiWb8naOnaBGNS1l

Score
9/10

Malware Config

Signatures

  • Renames multiple (448) 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\b4415cac8dd4c8e0ec6bd09640c44cb0N.exe
    "C:\Users\Admin\AppData\Local\Temp\b4415cac8dd4c8e0ec6bd09640c44cb0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2212144002-1172735686-1556890956-1000\desktop.ini.tmp

    Filesize

    83KB

    MD5

    8e6d45546d9f493b77d8519675c8c679

    SHA1

    1e239d12f09492f0d15f53e06325cbdffe6a4631

    SHA256

    915eff7eeab477fe3ef6de6cdb6625ccdf63fc48f376a91762e0f8d9ac22a62c

    SHA512

    bb3daa3064904cf8f5bccf57115f39862187bb48f340ade48810775a8a73b5b68e4d435a35e94ccbc1e5a8d102718c61f98cb20e64aeac14036f9c385561ffc0

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

    Filesize

    92KB

    MD5

    a8f440e6b2a5d76ebdf95cd44d569bff

    SHA1

    318b8b243ebd6ea43da2dade9707d4fff339a80b

    SHA256

    6bd2cc55d1e6d7b9b3a02148937e9066eeba96dd7835872bb01c7293722b657b

    SHA512

    aa24a92878ab9f261ef29d101bfcc3b60faef0993ded321658850f2f1e3545889d0528530a3327ab77656739acfd03c337de94ad688551e1b38a8f3e894f8822

  • memory/2132-0-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2132-26-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB