Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 03:18

General

  • Target

    344b8da23cffc7ee7da8c75cc05619e5659f7194076bcf1e497f32b7f3cfa1bdN.exe

  • Size

    1.5MB

  • MD5

    6f08d9eb0f1502e81a566e2705b67d90

  • SHA1

    0f39679f3e2788fd8371dafdfa5cfa304ba19204

  • SHA256

    344b8da23cffc7ee7da8c75cc05619e5659f7194076bcf1e497f32b7f3cfa1bd

  • SHA512

    6eb4a348271b049b8a78039380f5ab24071e67bdd644c3c38724c3f0b6282b39c279870c7ee97049c22bbf3f39a5842c9fedeb87e2a6e99008fa917910571edd

  • SSDEEP

    24576:NlGOSQCU/CeilNQLizcomzaH38uSIPkC4E+LDPaJQLoRA8wW57L9vTE9avgFaS:YdblN6GR3MhC4E+PaaWA8P5HQf

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 2 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\344b8da23cffc7ee7da8c75cc05619e5659f7194076bcf1e497f32b7f3cfa1bdN.exe
    "C:\Users\Admin\AppData\Local\Temp\344b8da23cffc7ee7da8c75cc05619e5659f7194076bcf1e497f32b7f3cfa1bdN.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:1576
    • C:\Users\Admin\AppData\Local\Temp\3582-490\344b8da23cffc7ee7da8c75cc05619e5659f7194076bcf1e497f32b7f3cfa1bdN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\344b8da23cffc7ee7da8c75cc05619e5659f7194076bcf1e497f32b7f3cfa1bdN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1848

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\344b8da23cffc7ee7da8c75cc05619e5659f7194076bcf1e497f32b7f3cfa1bdN.exe

    Filesize

    1.5MB

    MD5

    d39e54c579b634c2f6df73d515463b77

    SHA1

    a77d3c94c95accfcbe42d7e7a82158b85c9b4cd3

    SHA256

    2a9446f6651de01067d99d86056589cff7d59fd9b7f62486d0183f077f0e8bb1

    SHA512

    dd4e59d153310db1dd8f919ee02a4c24c914cfe4015ef54566bec8691f5f7bbdc3485c6386e577894beb4820d7bf8013dce871ffa84eb3aae670e0b257b714cb

  • memory/1576-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1576-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1576-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB