Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 02:27

General

  • Target

    73b498cf6acf890b204880dacc5b1891799d9560bcdb9794df5c70161e03ff90.exe

  • Size

    2.2MB

  • MD5

    de4981ba72b91489defa735308f80a13

  • SHA1

    fa8d96efa4c0b170f3efec923d1cfcbdcad519b0

  • SHA256

    73b498cf6acf890b204880dacc5b1891799d9560bcdb9794df5c70161e03ff90

  • SHA512

    a776556feb5be26169489df2fdcf3b20391ce5a433438ce1b2ef2911d53ea0a49613586b8e7c6ae51616300c5e6f81efbf95c6883dcfee69101518d571f389a2

  • SSDEEP

    49152:MQ9Gk4MfjNPvvD6S4RGuxYc9i24+6Vn5hPGwpE3G:MQcRMfISi+oid/VLPGwpE3G

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
  • 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\73b498cf6acf890b204880dacc5b1891799d9560bcdb9794df5c70161e03ff90.exe
    "C:\Users\Admin\AppData\Local\Temp\73b498cf6acf890b204880dacc5b1891799d9560bcdb9794df5c70161e03ff90.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:212

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\73b498cf6acf890b204880dacc5b1891799d9560bcdb9794df5c70161e03ff90.exe

    Filesize

    2.2MB

    MD5

    a102f8053f5a27ede135fd44df07bdd5

    SHA1

    ee0420dc08bd3afbba356a5a6405b25496423272

    SHA256

    078753433ae554919bc25de730a0f727d7bfed27dceb405a11a833956a1158ec

    SHA512

    62ab8818fe24b469472932442edbf7a4acbda7e893612def783f7f903be70a1f300d23b4fac234c06e694101366fcde133fc1e809c9405dcca109394003b3a49

  • memory/212-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/212-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/212-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/212-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB