Analysis

  • max time kernel
    103s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-02-2025 08:22

General

  • Target

    7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe

  • Size

    407KB

  • MD5

    831673cb47dce4648dacd4a4e31b7fe0

  • SHA1

    e4d7c32f4ab0c4784fd18a28096ddea6ce00d1b4

  • SHA256

    7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873d

  • SHA512

    e68d272214fc2ceaf5895cf9e935008751e59bb19689dcee071d4dcea8467c5819c706db791dfb6854d09f4dbb5e41baceb73d551b21ffb9ff3b128b2642de9b

  • SSDEEP

    6144:k9wsgixWYchKF7BrEniWtzMbSXWiG8AN2FJIXjbAOyn3Bu1QawJ02ipM:XixWYc0F7BrEiQzMbe2wnRGQa+3GM

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • Neshta

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

  • Neshta family
  • Downloads MZ/PE file 1 IoCs
  • 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 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe
    "C:\Users\Admin\AppData\Local\Temp\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.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:4796
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3632
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIwIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDA5MzE1NjgwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:792

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\7e980fb5779721257f3814fed2209db3ad871fb62b0ddd83513a8fd8392e873dN.exe

    Filesize

    366KB

    MD5

    1049e9985fc6b674b9f4c0ed7c27c619

    SHA1

    4d89d317709e83dee78e04f20f2819a97ffc81b0

    SHA256

    b7ca367aa2e4b12edb6f557549eda36708810cc15d087ace9eb6de9c21e32c00

    SHA512

    e4779331bb2db014878c111f2f144808e71e6be6dc76764ea0aa39610fb4b796beaaac8e580942689f3ead856d6a1be995fdad928753087170be41901e69667a

  • memory/4796-121-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4796-122-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4796-123-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4796-125-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB