Analysis

  • max time kernel
    93s
  • 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 21:34

General

  • Target

    1a5879ceeec3b39ca8e6175a6243e6cbd86829482b776e0ce2c9df9c5212f1d5.exe

  • Size

    665KB

  • MD5

    27bfa62860b6ea7ce0ec79646048a985

  • SHA1

    bef54c5272423ea53f36e4142e440654fbd94785

  • SHA256

    1a5879ceeec3b39ca8e6175a6243e6cbd86829482b776e0ce2c9df9c5212f1d5

  • SHA512

    575b3412895ef678172332cd86eeaba0c247343b60911ddb5440fe45c690b740dad53648dc98530e1cd6feccf1bd0cf2a67e2d99c63f8d6ba811cf93228b125a

  • SSDEEP

    6144:k97UqPg/wobETHTxGmxUceE4wenHDBXR6fAAGIeoclMra0nFe8iSQz7/N2U6CctP:GUp/wKaHTx3UciwOse7uhn4TFN2U6BF

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\1a5879ceeec3b39ca8e6175a6243e6cbd86829482b776e0ce2c9df9c5212f1d5.exe
    "C:\Users\Admin\AppData\Local\Temp\1a5879ceeec3b39ca8e6175a6243e6cbd86829482b776e0ce2c9df9c5212f1d5.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:2684

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\1a5879ceeec3b39ca8e6175a6243e6cbd86829482b776e0ce2c9df9c5212f1d5.exe

    Filesize

    625KB

    MD5

    a0406af5e33da188fe804ce9b069baf4

    SHA1

    37ebabc10ca7e1d7d30462bd5984c9abe849fafe

    SHA256

    aa25cedea287f20a83236fc6ffe6c46fbdadfe68c6f697caca9bad0bb5e46774

    SHA512

    4cd20ae222f56eaf76d48b00d74c25474884f3f89f36a719d77a22e34563f4041c09ae7f4cd6df55974f83e0a7aa1b815254429d6d1d6369204dcbadba6e42ce

  • memory/2684-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2684-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2684-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB