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
    01-01-2025 16:47

General

  • Target

    1acd38f6ac7c54aa03a429e67f4225f5a53f74e0dd6feb5e9538e2047f4990bf.exe

  • Size

    4.0MB

  • MD5

    9df7ef1018865f4e28c69ae41618289e

  • SHA1

    a41764d696bb2da4dd0e3fb131d9e0ef6b9f6b19

  • SHA256

    1acd38f6ac7c54aa03a429e67f4225f5a53f74e0dd6feb5e9538e2047f4990bf

  • SHA512

    0460b53369acb3e6a13d39f9bd8b810962cbed04c3609d486ef38e9df91f725d9b6b487f5fb4f44f0ef5fea1d1fa000090e960ae1f960f1c921d3a359f8468cf

  • SSDEEP

    49152:VKKM87S6Ny48dUqnrvV/pmAwQBYDOlrQ4XtbkG38:cK9m6sUypeD+rlNM

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\1acd38f6ac7c54aa03a429e67f4225f5a53f74e0dd6feb5e9538e2047f4990bf.exe
    "C:\Users\Admin\AppData\Local\Temp\1acd38f6ac7c54aa03a429e67f4225f5a53f74e0dd6feb5e9538e2047f4990bf.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:856

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\1acd38f6ac7c54aa03a429e67f4225f5a53f74e0dd6feb5e9538e2047f4990bf.exe

    Filesize

    3.9MB

    MD5

    65846fb2a8c502f92fa4224869f8054d

    SHA1

    d25afa53f919f08bbe68b997bc774f7f482635ea

    SHA256

    bae3f5a85f6a5be646ba252d1529242d25dacc8435bc0d3dd67b44ea701f51f2

    SHA512

    dd7af2ba2b906332d56af702959efceb1acecfa61bc3076bf0305c92f8e4e464b2cc95d57120bddee2da808f4f775bcd6915a87bf5b98d1a25f0aa149c08a4d6

  • memory/856-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/856-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/856-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB