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Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/10/2022, 02:09

General

  • Target

    DOC-72110983657734771-pdf.exe

  • Size

    347KB

  • MD5

    c1f0b4caed18b81ecc00f38f10e9203d

  • SHA1

    55838d97be9547cd578c9cfcf50a53cd9bfe7cc7

  • SHA256

    f80962371161f31493fee8db67f3f5c053358e75cf2b7f4b1135de5baff377dd

  • SHA512

    18d34c269c71663ed1f1c76a8a045f2f5c97ee0ba3b43b3d6d4a5c93966605cb7fa24dedef7ec7286a73093f5a2e01412ad254f70cbcaf32c8314189fa5e75a5

  • SSDEEP

    6144:U57TcfYfVe5IpmseWlBsXpis+w6IvAmJWDMAc8h:vYMupms6iWj/WDMr8h

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOC-72110983657734771-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DOC-72110983657734771-pdf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    PID:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsiF70D.tmp\System.dll

    Filesize

    11KB

    MD5

    960a5c48e25cf2bca332e74e11d825c9

    SHA1

    da35c6816ace5daf4c6c1d57b93b09a82ecdc876

    SHA256

    484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2

    SHA512

    cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da

  • memory/1976-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

    Filesize

    8KB

  • memory/1976-56-0x0000000002590000-0x00000000031DA000-memory.dmp

    Filesize

    12.3MB