Analysis

  • max time kernel
    181s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:40

General

  • Target

    proforma.exe

  • Size

    315KB

  • MD5

    6afc17303414964fc1d612adef16b0c0

  • SHA1

    6963b50ab1dc8608265a93e3c8b27ae9e3e91300

  • SHA256

    404afebfb91d4ddcfa1b8c82d62f75bf7d864d2d1f1683bd9beed457cba6cd33

  • SHA512

    15760e8ad3809120b3dd399ef2c662d8a67f98509dbb3afeb1800fd8c8b3a88f107813b2fc8d3eb6aba57b4aac1316de56dd949978f9406df7b742d0bba7d975

  • SSDEEP

    6144:bC2zKfqLODPDIh3JUk0aaA5LJfMbmaAuE6L680vhNYLBE:HKUODch5Uk0DAJfMXauB0vPoK

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\proforma.exe
    "C:\Users\Admin\AppData\Local\Temp\proforma.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    PID:4572

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsb3191.tmp\System.dll

    Filesize

    11KB

    MD5

    2ae993a2ffec0c137eb51c8832691bcb

    SHA1

    98e0b37b7c14890f8a599f35678af5e9435906e1

    SHA256

    681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

    SHA512

    2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

  • memory/4572-133-0x0000000003220000-0x00000000032FB000-memory.dmp

    Filesize

    876KB

  • memory/4572-134-0x0000000003220000-0x00000000032FB000-memory.dmp

    Filesize

    876KB