Analysis

  • max time kernel
    103s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 12:02

General

  • Target

    a5bc9308980734d541760d44402d9a4352b12970a822cf4df5210193afc09e5d.exe

  • Size

    2.5MB

  • MD5

    9090d61b462f5d96ea24a8345f1971f7

  • SHA1

    f083e05db7784e9102b9dc4198939f8c1c6bb452

  • SHA256

    a5bc9308980734d541760d44402d9a4352b12970a822cf4df5210193afc09e5d

  • SHA512

    785fc0cc12de05fc54cbf6a7954712a825df0942f5a6c320327678aeaaec2a3f3223bc5cf7b8e5c9fce57ab4c450afecb40dc58d0479ec9630da103d4433c00c

  • SSDEEP

    12288:eb286MLapMyGZUl2ce3GdNd+JXxOgrTE8X/1pbcLgZ0:eb286smIZ6Bnd+Rx1TE8XfbcLW0

Malware Config

Signatures

  • 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\a5bc9308980734d541760d44402d9a4352b12970a822cf4df5210193afc09e5d.exe
    "C:\Users\Admin\AppData\Local\Temp\a5bc9308980734d541760d44402d9a4352b12970a822cf4df5210193afc09e5d.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:676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a5bc9308980734d541760d44402d9a4352b12970a822cf4df5210193afc09e5d.exe

    Filesize

    2.4MB

    MD5

    25cb24583e9cc3da051abec75b07bfae

    SHA1

    65154572f77744d346a00b1d98836d0fc237a4db

    SHA256

    df6cdf12997fa035f6a5ea79b8934cd81f64f7200ba7da114009d9282f3aeb30

    SHA512

    f4cf8d45cbcfbe5eb655653362bbed6fb1769e965d8ac08508069017fb3160557deed1fe3eda6a955f7a1673ac033deaeb49ff8930a618f419d8da591c3d0df9

  • memory/676-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/676-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/676-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB