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Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2024, 09:14

General

  • Target

    7b5faa041995f0a68b7f6b40279d78f4_JaffaCakes118.exe

  • Size

    152KB

  • MD5

    7b5faa041995f0a68b7f6b40279d78f4

  • SHA1

    4782e4b4504ab3b2d9787842f97e0268d038a5f9

  • SHA256

    9a6396ee3d4b10628a3a475b77d005490953e9771d0d8fb1885e50cfa6f29fb3

  • SHA512

    f60a87b52e7ddcb8f472c2c6559b1d08f91069e92af4293256f959e5ce42746397bda4dd56020426fc852e4e7a07dfbc7fde23fb7fd5ee16123aea96974d1711

  • SSDEEP

    3072:KQSo1EZGtKgZGtK/PgtU1wAIuZAIuXwFwtdH:KQSo1EZGtKgZGtK/CAIuZAIu3

Score
9/10

Malware Config

Signatures

  • Renames multiple (3303) 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b5faa041995f0a68b7f6b40279d78f4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7b5faa041995f0a68b7f6b40279d78f4_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2884

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini.tmp

    Filesize

    152KB

    MD5

    df33c81e85c6cf7a336b5f84bafbd271

    SHA1

    1e320d9b718693c23ac82c1eaadc94cfc8f916d5

    SHA256

    7f61262d0961fc982654e53d65b26891344ddc1cc87805ab34a0b40f868f36da

    SHA512

    6a06e51e860595f3273c1226afb1aa465ad758456635bd455a0e61efaf773c536be3b7c76cb1388a172d7802a493e85bd548b98784413778f799ddc3f90c4947

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

    Filesize

    161KB

    MD5

    c2233382821b63721364fdc90f780196

    SHA1

    17b2474d12815aa27135bbaaf5c90b23b9b9cb15

    SHA256

    0c89485034e1cbdfa76af17f0123166fb579b5b77f22bc6fab0a929f12556217

    SHA512

    e5ec1f238539c67805d2e41ca2c5e30168e54723b97b64ba22542a384c47ba55f3a3919c55098bc1fc160549e894abcaea6e0bb8200a0b43922ea242680b89a6

  • memory/2884-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2884-74-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB