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
    17-12-2024 20:44

General

  • Target

    bb19e9772f857d74b25c04a4e02a1cdc8920529d12046afdc2ff5aaaf95736d5.exe

  • Size

    981KB

  • MD5

    3cd20c86acc414ff19c10a4facdc7458

  • SHA1

    a44b840cc63b61332d53c86feb8aadb15872dd75

  • SHA256

    bb19e9772f857d74b25c04a4e02a1cdc8920529d12046afdc2ff5aaaf95736d5

  • SHA512

    b8f60d7fabe5b85a58a570dbd8368a4f0e0b5009075e7445e107e239b984864a0d2ab3ee02610f83314ae326e9547b891af8166c79495ee84c7c41ec622142e7

  • SSDEEP

    24576:zvtCXWeGKoFGMO0Ut0gnMAsw6DqpOYYROj2:TtCXWP9c8+M3ZTT

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.

  • 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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb19e9772f857d74b25c04a4e02a1cdc8920529d12046afdc2ff5aaaf95736d5.exe
    "C:\Users\Admin\AppData\Local\Temp\bb19e9772f857d74b25c04a4e02a1cdc8920529d12046afdc2ff5aaaf95736d5.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
    PID:4120

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\bb19e9772f857d74b25c04a4e02a1cdc8920529d12046afdc2ff5aaaf95736d5.exe

    Filesize

    941KB

    MD5

    127aa9716be0ffbbbb26e5a67d701390

    SHA1

    5319665568513e266cbdaf64c98a00055bf609e6

    SHA256

    5a6f9eacc19bc180e14cb2dea5190b2bbe4995438908f876232dd1e057e3c15a

    SHA512

    65d3ff4698cb2e15e8646c70c949157d5ce75e47e106e151ee5471e0b327b8c6660bb6b6d8bd103302356b1c64fbb15d6e269f378d7683b559a1aff3ac32754f

  • memory/4120-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4120-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4120-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB