Analysis

  • max time kernel
    32s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 04:29

General

  • Target

    9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe

  • Size

    745KB

  • MD5

    e02f0288f2a8bdaa1f12a3d5e9d5b2e0

  • SHA1

    fc8212cbc35050149da2fd499022e4572df908a1

  • SHA256

    9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4

  • SHA512

    a41a7aa7c7bc86b957040f23302fad4c9ff1fa14518cda80ccd0bcb7aad8f4a67445dec40c6d1a0231e3b00a808badde44eebd9e6e3ef6ddd400b475890e0740

  • SSDEEP

    12288:spUFRUgC6xu63uGNzcwC6GwWsRrA2SMgbbd5wDBp0ZUXaSmW6wE:spaRU2xPuGNzysibbd5wDBp7XK

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

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

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe
    "C:\Users\Admin\AppData\Local\Temp\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe"
    1⤵
    • Loads dropped DLL
    • 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:2220
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe

    Filesize

    705KB

    MD5

    b6f06ba064468a01280b2da1ebc08d79

    SHA1

    9b252465a333c03d72b002269b65e5dabceb2352

    SHA256

    38fc0af4e16fe1ad61c57b8cf97ce693d785e1581dc312b58a0782d187249802

    SHA512

    d06ae33ed031c63758958f2d88ec660f94cbb8d0385b136687819208254380aeb9bfb902fda86f06e4e1d4c81cb3511d8ef9ef1d47d85c727d3ac14d12d2029e

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2220-83-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2220-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB