Analysis

  • max time kernel
    93s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 22:19

General

  • Target

    58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe

  • Size

    119KB

  • MD5

    70807b1f84a13433ea65aa9d6254e741

  • SHA1

    490be2990bfbd9c65b11f8ef7b955ee83cd4aeb2

  • SHA256

    58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b

  • SHA512

    0e620e1078e2f1d9527d7bacdf6ab0171db1beeb361eaf451a0d7404dc0d1983aabad5acc4eb24e088ed4a444cbe0b7597c92707a82ef924f8ec599324a48882

  • SSDEEP

    1536:JxqjQ+P04wsmJCDOc9G87pGih7nJZdXBKUOd+1mBxT3UTH6ay9r8uyspxlH9ro4O:sr85CDOc9G87pGih7nRmBxyYB2WU7

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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe
    "C:\Users\Admin\AppData\Local\Temp\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.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:3368
    • C:\Users\Admin\AppData\Local\Temp\3582-490\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\58d52ba3ddb8fadf9c2c141961656f2ffe5d4e8efaa305fa84c1dddb4976409b.exe

    Filesize

    79KB

    MD5

    cf475674cbbfa8b2b1a333c49eacfa2a

    SHA1

    50b5656f34a28b65a931f2fd64f213cbd4427c24

    SHA256

    43f64d1084212bc79ab02423a28216a7bc4561af0ab95a07dd905ee2be935bff

    SHA512

    7677f79b9227c09deda898599720db519b1a3832e7c60960ae3b4ac02a538d7a920ea11c81743dcaa0ac682c90b33d8a9f976c854fc48f5b789116c079158e10

  • memory/3368-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3368-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3368-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB