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
    10-12-2024 19:47

General

  • Target

    6bb608cb4d6477938bc2b74b4eef4102dcccfba718852aecd9cf56778961a25fN.exe

  • Size

    119KB

  • MD5

    c7fcbc0fd80be15e8cff45c578e24760

  • SHA1

    9a8fb21a0569f3f61141460c3b5b225d8a3c4494

  • SHA256

    6bb608cb4d6477938bc2b74b4eef4102dcccfba718852aecd9cf56778961a25f

  • SHA512

    a6209b104f48421036a1449eaf497d8b104f56868b759c3083064e04c6fc566203df9ff7501d538a64f45f9f85fe7a0ec86cc2cf7d63e2d783951db426eb1e8d

  • SSDEEP

    1536:JxqjQ+P04wsmJCbF+oIjVhhPoSeFB2D9X/42dX49uSxNy5fuAOKzxiTQ9:sr85CbQp5hhPo9FMX/4eI9RNZAOK9

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.

  • 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 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bb608cb4d6477938bc2b74b4eef4102dcccfba718852aecd9cf56778961a25fN.exe
    "C:\Users\Admin\AppData\Local\Temp\6bb608cb4d6477938bc2b74b4eef4102dcccfba718852aecd9cf56778961a25fN.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:2588
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6bb608cb4d6477938bc2b74b4eef4102dcccfba718852aecd9cf56778961a25fN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6bb608cb4d6477938bc2b74b4eef4102dcccfba718852aecd9cf56778961a25fN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\6bb608cb4d6477938bc2b74b4eef4102dcccfba718852aecd9cf56778961a25fN.exe

    Filesize

    79KB

    MD5

    91098fdb016d6ea0d81da9e55a39d8e3

    SHA1

    fc9f03f71d810157898602fcbf279744448a049d

    SHA256

    5e7fec49042c929a39bd7c62be8e818509b00792693a51f0a76410ff4870b07a

    SHA512

    0b57bd917ac8d012fe8ffa39e20a795429fa56fe040a9dc979378efebb53e87ca0b7dba73c783691a33afef85c0069c4996723a3dc9ed919cc5e27c00839cba0

  • memory/2588-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2588-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2588-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB