Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 04:20

General

  • Target

    c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023dN.exe

  • Size

    3.9MB

  • MD5

    8845ccaf495c0acc22aa9457a25de810

  • SHA1

    9442710ae5b17ff18ce7e483a8d3aa6b8b6fe082

  • SHA256

    c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023d

  • SHA512

    711b3561e5ebc54807de59bb6e8c5c76e1e25f3721f254b0f63127fe8cf9dfcbe7e593ec524d9decddc3b1beac76fc5790c7a11b3acdfdb18406faea8cb219ac

  • SSDEEP

    98304:M6666666666666666666666666666666x666666666666666fwwwwwwwwwwwwwwk:ZzRULc1oGgvlHbtmdwo+/u

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 2 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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023dN.exe
    "C:\Users\Admin\AppData\Local\Temp\c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023dN.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:3108
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023dN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023dN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Users\Admin\AppData\Local\Temp\3582-490\c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023dN.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023dN.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=95.0.4635.88 --initial-client-data=0x298,0x29c,0x2a0,0x254,0x2a4,0xfb3200,0xfb3210,0xfb321c
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4916

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\c0e0df22874b24554cf5e03aa1773b6af4f23fbcb8bbb58bb9eaf9ccaae3023dN.exe

    Filesize

    3.9MB

    MD5

    bca3e3002bf6957b1461cd7256179235

    SHA1

    66bc6d2c49252231daefc7e787a6f96ac69a7cf4

    SHA256

    52b9dee5a5847cc95f1956745ac2ab849d32274b1558cd16ef163fc5f50768ce

    SHA512

    2d95897182178c651822df5f1726f795c23accd172488a21a74fff6e80b429ecdafae9ad892e61d33cde1fcaee793ad95c1409398f74707443ef699d23b8d993

  • memory/3108-109-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3108-110-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3108-112-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB