Analysis

  • max time kernel
    31s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08-03-2023 08:00

General

  • Target

    NP_0000033753.exe

  • Size

    428KB

  • MD5

    9f5281ee89c4b97b98c6407043cded58

  • SHA1

    cca153d52d4881dde89bed3bcd3601af6a74c3fa

  • SHA256

    d860bf7396b8df9d0860745da807dc1c8bfc30ff2ee171585d43c764bddd8a1e

  • SHA512

    42a62d626a45099cc44f76ed3a6f1d55b713e88b5174b437f571f9756a18dae0d6a72a2f515cc66844c1545ee74f38a5b67b1ef3b3b9dc3a2b1a6c04c737b721

  • SSDEEP

    6144:7bUTp15lOVWR4vFSf0002ZOsWPiEiX/gmAfW8pzCLv3oNXtgWiNukM+xI:7IJlsW8200kPKIxW0+jTWN

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows 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\NP_0000033753.exe
    "C:\Users\Admin\AppData\Local\Temp\NP_0000033753.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    PID:912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nstCFA1.tmp\System.dll

    Filesize

    11KB

    MD5

    7399323923e3946fe9140132ac388132

    SHA1

    728257d06c452449b1241769b459f091aabcffc5

    SHA256

    5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3

    SHA512

    d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1

  • memory/912-68-0x0000000003040000-0x0000000004684000-memory.dmp

    Filesize

    22.3MB

  • memory/912-69-0x0000000003040000-0x0000000004684000-memory.dmp

    Filesize

    22.3MB