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Analysis

  • max time kernel
    160s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 18:50

General

  • Target

    ee38af76c24dc30cfa435e14ec275b5d.exe

  • Size

    152KB

  • MD5

    ee38af76c24dc30cfa435e14ec275b5d

  • SHA1

    7927d07e9207963ccb2e08ad3ae076a6970bddb0

  • SHA256

    2b98b5ed97369a3addf8a0ae5563831d2c058e3c999dbe72a135c2dbb6872732

  • SHA512

    6fdbfb0bac5f163c9b2fb2ce7a6e21aeac679893bbf5f22e29f36c7893773a13f0b499e7296052ce61210f5063e9dbd9bca1a53205ae3e6464d946a69f239011

  • SSDEEP

    1536:JxqjQ+P04wsmJC3tOyadoNr6XiR65x077U2v4a1khoFfh9epLOZ6oX0McTIE1tXM:sr85C81VyU2vZ1QodDeoX4IE1ssdG

Malware Config

Signatures

  • Detect Neshta payload 11 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee38af76c24dc30cfa435e14ec275b5d.exe
    "C:\Users\Admin\AppData\Local\Temp\ee38af76c24dc30cfa435e14ec275b5d.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Windows directory
    • Modifies registry class
    PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\ee38af76c24dc30cfa435e14ec275b5d.exe

    Filesize

    111KB

    MD5

    3597c4c7108ba99f8cc731804795b9ce

    SHA1

    28ffc307b1e3902a1aaef6d433357cbf1acd91bb

    SHA256

    8d33c6d87aa74b042b7d7cb01a23241c4cc3b1b8b446b8f1548bd167e3c7bf62

    SHA512

    c710d758e775129261c2f72269288628bd3c923f4560aec08749e006ef1a25eba453ae5594ca45f607d9680f84d307481fcb9b761ecb3d227fcde8a2b6e6770c

  • memory/1956-1-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-16-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-17-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-19-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-21-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-23-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1956-24-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB