Analysis

  • max time kernel
    93s
  • 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
    21-01-2025 06:30

General

  • Target

    3f3c4b0e4a8239cb794fb6ca795b540b5b4fb08bc0786dec687ca5cc4b04f77f.exe

  • Size

    598KB

  • MD5

    dd9e93233b60e1c945fec2e72243f910

  • SHA1

    c7832f94b00d18d8397fe67e9efd96c0b6893122

  • SHA256

    3f3c4b0e4a8239cb794fb6ca795b540b5b4fb08bc0786dec687ca5cc4b04f77f

  • SHA512

    d7fa46b4b82b765f644dbbaf91b01af49b6bc8dc98f50056def635cfd120756ecc15d40e01c1b94be7e2d3e27327604b115df21e21d53c0800352cb6ffaca654

  • SSDEEP

    6144:k9NTJutCY/5/WvBMOUijERJcpHpO680ClbxrcG0NagSjx7pwco3/NFRYqAHzrGv8:2QtBXwm8J1ClbxraAgSjlo/NHYLiv8

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\3f3c4b0e4a8239cb794fb6ca795b540b5b4fb08bc0786dec687ca5cc4b04f77f.exe
    "C:\Users\Admin\AppData\Local\Temp\3f3c4b0e4a8239cb794fb6ca795b540b5b4fb08bc0786dec687ca5cc4b04f77f.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:3996

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\3f3c4b0e4a8239cb794fb6ca795b540b5b4fb08bc0786dec687ca5cc4b04f77f.exe

    Filesize

    557KB

    MD5

    e95d008fff367a0465ba7ac97df242d5

    SHA1

    017fec6e6d0c10823795b7922fadf782aecd5bdc

    SHA256

    dc218f88f0ededb6e127f9cd3d2d202631c1ea0396cc41f0b23243422732019a

    SHA512

    d3aa91d1b97989e41c7b2f25998d217d5b4eeeb9a45673dbb4227ac84d18228c2c49b7f83c99fc3fafc6eb9ed352e060606756a49661889926970f4cb2ac550a

  • memory/3996-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3996-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3996-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB