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Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2024, 08:39

General

  • Target

    abb9d46c4c11d7923201d1c9c2d6a44f16834749eecfde85d645cb1fb88dc9d5N.exe

  • Size

    1014KB

  • MD5

    6d236c3adf2b1269360bd6049dd0a500

  • SHA1

    856f4f684e501ceffaa64f1624a5515913c03575

  • SHA256

    abb9d46c4c11d7923201d1c9c2d6a44f16834749eecfde85d645cb1fb88dc9d5

  • SHA512

    f9200ae581a1d85c91b4820d18ad1c6189db36d5d1fbedb756aab4839b0dba31a02fb9c5a204cbfdea8928bc3647d41e09296f0d6b3e6d285898e66e123610fd

  • SSDEEP

    12288:SdlV+DpKfvLHQYYg6Vba6/LzdrRvorXkACeTbO6PZ2t+43QxvhoiWPlgJEuXMACX:6GDp4LHSbzzdrZNiZPZG3aJRWPddFKzk

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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abb9d46c4c11d7923201d1c9c2d6a44f16834749eecfde85d645cb1fb88dc9d5N.exe
    "C:\Users\Admin\AppData\Local\Temp\abb9d46c4c11d7923201d1c9c2d6a44f16834749eecfde85d645cb1fb88dc9d5N.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:2244
    • C:\Users\Admin\AppData\Local\Temp\3582-490\abb9d46c4c11d7923201d1c9c2d6a44f16834749eecfde85d645cb1fb88dc9d5N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\abb9d46c4c11d7923201d1c9c2d6a44f16834749eecfde85d645cb1fb88dc9d5N.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4672

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\abb9d46c4c11d7923201d1c9c2d6a44f16834749eecfde85d645cb1fb88dc9d5N.exe

    Filesize

    973KB

    MD5

    18e3a75cc625215232334ba1f8d18bb7

    SHA1

    3306a46cf89a0ae953472ed07c71cb0e71daf248

    SHA256

    78fb62ffbda1ea146306991709bd229db2122ecb64e9cfe152d80ba28c710300

    SHA512

    2efcd7e3c4619788b68c7955407655ce2ebd26a7b4404868e8289d74de446152719c7d1feacb6a72748f33d105414813327668f0a923a2be6218ff21dbf3805f

  • C:\Users\Admin\AppData\Local\Temp\nsn9ABA.tmp\SkinnedControls.dll

    Filesize

    100KB

    MD5

    aaa759ace84daab654db7c21e934c95a

    SHA1

    bfd542c58471e3d0663e27da91fcac9ab6159f8c

    SHA256

    8e45e01d84ea5bc50e98a12e3c043571e2858854bfaadeeeb583aef4d41c1451

    SHA512

    30f7fab450a090d6b6ddffd67cc565b7dc9a594dc1e2052f855d6e18ad034baaba40db7126851688a58587b94e4066abf5fa30406d33f0901f54b9f726d37aa0

  • C:\Users\Admin\AppData\Local\Temp\nsn9ABA.tmp\System.dll

    Filesize

    29KB

    MD5

    b88a1e0eabc83c0ea2444dcb9876f8e0

    SHA1

    a826534363c3d4a51d65c19525f757e4f27e3bc8

    SHA256

    b08141e69d51007af55784862e4d50a4f1d6f64e6ae6805070e5a23eafebbc06

    SHA512

    0083841b6034b31e562a9e55bb407acce78f4cec9c2a18242c80e45800e047632de11fe0c5b7fbdc479b78a187a6422937a10330d732c88a0256602c0e1781d0

  • memory/2244-108-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2244-109-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2244-111-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB