Analysis

  • max time kernel
    118s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2024 21:11

General

  • Target

    d8d9864d5efe42a106a2001485f78b0b0379945f3472ff4bf992e41a8e99ab7aN.exe

  • Size

    988KB

  • MD5

    54d768cf98ebbbb57753ba3ab2d572c0

  • SHA1

    44215b46b505fa59057f0f7705b05648b2024fdc

  • SHA256

    d8d9864d5efe42a106a2001485f78b0b0379945f3472ff4bf992e41a8e99ab7a

  • SHA512

    8bda46e89399c7fd13226e081e820b27cc484a0d6966e400e7854845cd29e4fd90d45cfb92af7c7be9f5187916b94e45e66abbec4ceb72a29a17fa1b7f071c0c

  • SSDEEP

    24576:Jt6tP2jLB0EGb7PmcQYZs7zvtGuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuIuuuG:QPjlyQZUUuuuuuuuuuuuuuuuuuuuuuup

Malware Config

Signatures

  • Detect Neshta payload 5 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 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8d9864d5efe42a106a2001485f78b0b0379945f3472ff4bf992e41a8e99ab7aN.exe
    "C:\Users\Admin\AppData\Local\Temp\d8d9864d5efe42a106a2001485f78b0b0379945f3472ff4bf992e41a8e99ab7aN.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:1504
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d8d9864d5efe42a106a2001485f78b0b0379945f3472ff4bf992e41a8e99ab7aN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d8d9864d5efe42a106a2001485f78b0b0379945f3472ff4bf992e41a8e99ab7aN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3800
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x524 0x3c0
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1560

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\d8d9864d5efe42a106a2001485f78b0b0379945f3472ff4bf992e41a8e99ab7aN.exe

    Filesize

    948KB

    MD5

    1b26e6a1d917727eb7bf614a151f901c

    SHA1

    4877cc162fb5d85581136b9fcb28560d2b18059a

    SHA256

    5d39d80feca61232404c84c99af23f87436275b027f3e7a9776f575244c931ba

    SHA512

    48815656330591b1b9d004f84f284826f928d1c002237e12606ea1f4a839d76cd77c8cca8b8afc441dae82548edfca99aab59fdf5c253356c06c64219a79a349

  • memory/1504-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1504-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1504-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1504-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB