Analysis

  • max time kernel
    104s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-07-2024 15:31

General

  • Target

    e0d7f42183c642b5e4580a98ee8a34e0N.exe

  • Size

    302KB

  • MD5

    e0d7f42183c642b5e4580a98ee8a34e0

  • SHA1

    3013f64529aacefc81dc61b72b74fec40d3b9083

  • SHA256

    31ada4ac1a5daeaaec5ca29f1e58e7f106a320a4013c8f2bb52e7e9aa415fa4c

  • SHA512

    c426a04112a2a3c6683094baac2411e0084012824012f39db73f52480af7f112681b2f644ba08ac1535217c0177e2790366980c6e31749bfc92e8deb0b893f7b

  • SSDEEP

    6144:k9P9EG1RJjZCkfjhulqATR3g0Og85Ip+Yvac+AX/RMWiYV:8TjZQqAl3g0V85i+pc+AX/RMWiYV

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.

  • 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 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0d7f42183c642b5e4580a98ee8a34e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\e0d7f42183c642b5e4580a98ee8a34e0N.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e0d7f42183c642b5e4580a98ee8a34e0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e0d7f42183c642b5e4580a98ee8a34e0N.exe"
      2⤵
      • Executes dropped EXE
      PID:1496

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\e0d7f42183c642b5e4580a98ee8a34e0N.exe

    Filesize

    261KB

    MD5

    239b0a418e12a752b079bde451d9834a

    SHA1

    1d6f7af3c7123e298c9bd65a703db2df59c88dc8

    SHA256

    b9a5870a734bce028f92067f0b0c20565e9623fe752bdb1c07e3b5a87c285797

    SHA512

    f56c2c7814f2bc0e2a699fc574fb4939adce483273eca89f430e4e0dc8235a336666241cd791faaf543f0db0ff69962fbcecce5ae3027aae5f50b79e3c5797dc

  • memory/4152-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4152-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4152-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB