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Analysis

  • max time kernel
    103s
  • max time network
    103s
  • 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, 16:44

General

  • Target

    7224b6b1f57695238ebe3fe4d318fbd6cf1e40bb73aaf0d03f8d0101df83c80cN.exe

  • Size

    1.4MB

  • MD5

    aeb24dcca7dcd8f0aeec3f2cf1406290

  • SHA1

    dbc6dd99548cfbff8ebfc9383b91231d3301c313

  • SHA256

    7224b6b1f57695238ebe3fe4d318fbd6cf1e40bb73aaf0d03f8d0101df83c80c

  • SHA512

    60d09ceed696cbc48881271fc08e4fd2cb44aa78c9d9fc983350fa1f6ed78e9683a456b93357129e12f94424b65a49ce274f8802fa58f872724c9316d1763437

  • SSDEEP

    24576:TT8tDS8TQ0Kat5iXnSNGVecpNrqEdf2Nat5iXnSNGVecpNrqEdf2GllO:3+S8Mat8nSNG/ppdfUat8nSNG/ppdfBi

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.

  • Executes dropped EXE 1 IoCs
  • 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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7224b6b1f57695238ebe3fe4d318fbd6cf1e40bb73aaf0d03f8d0101df83c80cN.exe
    "C:\Users\Admin\AppData\Local\Temp\7224b6b1f57695238ebe3fe4d318fbd6cf1e40bb73aaf0d03f8d0101df83c80cN.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
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7224b6b1f57695238ebe3fe4d318fbd6cf1e40bb73aaf0d03f8d0101df83c80cN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7224b6b1f57695238ebe3fe4d318fbd6cf1e40bb73aaf0d03f8d0101df83c80cN.exe"
      2⤵
      • Executes dropped EXE
      PID:4744

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\7224b6b1f57695238ebe3fe4d318fbd6cf1e40bb73aaf0d03f8d0101df83c80cN.exe

    Filesize

    1.3MB

    MD5

    70c05ab0de42eca112742fc3cee7d88c

    SHA1

    55b40cc28cd99026ce3463f0771b9b02ca3dfd92

    SHA256

    a47ed93b5449b54a0fa8e70ebac351ad7c54a1e807aa2be96c33464d792dc8a6

    SHA512

    5bbf1da224be5d800b6ff3f79987a85de3c514715e4506f52b8e18bd1e68a0b81476ce667ff561dbf3f8c37b0222c97194c366120021e9f891d27fee5a69d679

  • memory/2220-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2220-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2220-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB