Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2025, 03:27

General

  • Target

    93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe

  • Size

    146KB

  • MD5

    f29df77d7e2838aa0de2bf7b12dd23d4

  • SHA1

    dea66daed44606bd92006440192847949892876d

  • SHA256

    93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc

  • SHA512

    9a2610238de7baf273804cb5f21c0d3fb6fde8fe398bd8b32475d36bcb55d534168df041790f7335fc5314934bfc38c49562a8b0073c46dabadc513ce07fabb6

  • SSDEEP

    3072:sr85CkkbAYn2GgYlBYN2fHYTo+Hpt8wDSRUTT:k9xbAMpgY3gTb8DRUTT

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe
    "C:\Users\Admin\AppData\Local\Temp\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Users\Admin\AppData\Local\Temp\3582-490\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe"
      2⤵
      • Executes dropped EXE
      PID:1576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\93a46a28113641fb8c558ff7af69711f1a4b20d6c24763884debaabfefd683cc.exe

    Filesize

    105KB

    MD5

    f13c29492fbf5d391d814ae027fc521b

    SHA1

    5823ea367767e0855b0cbb9ec70748674c38279c

    SHA256

    a0c4c1068ea76c6474c57fafe4d8896f9a8d92df9b88e79f3e6f83b2fe5c4570

    SHA512

    a4e32a6ae95bc61c4cf6cf6f985674f3bed489c45cbdfba6430001a655f03827fb184154e83e3d90b02dc1855f829aaed925b0ae66708f0fc44a395d0c642494

  • memory/4392-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4392-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4392-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB