Analysis

  • max time kernel
    93s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 17:18

General

  • Target

    HashIs-d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6.exe

  • Size

    5.6MB

  • MD5

    c258627dc4713143f84e08683d0b75d0

  • SHA1

    ce737c10059a33305ea08be0189c949d5f282c88

  • SHA256

    d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6

  • SHA512

    c3b51312fdc60579a524f6c398b1aff8c0a0dadb0ed893bb6bb6030756e7b00aa6cf7db0848fa93953ff8b1f2d1c18c5494aeaad11ce5bb5367fe7cd458a88b3

  • SSDEEP

    98304:3WpYFiMWrWb3axxkSNGFt01gP3nNqiJ+Jhki7:GpsV3axxzN806vNLQ7

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 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HashIs-d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6.exe
    "C:\Users\Admin\AppData\Local\Temp\HashIs-d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6.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:4308
    • C:\Users\Admin\AppData\Local\Temp\3582-490\HashIs-d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\HashIs-d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Users\Admin\AppData\Local\Temp\3582-490\HashIs-d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\HashIs-d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6.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=Win64 --annotation=prod=OperaDesktopGX --annotation=ver=95.0.4635.88 --initial-client-data=0x264,0x268,0x26c,0x240,0x270,0x7ff77557dbf8,0x7ff77557dc08,0x7ff77557dc18
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:3660

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\HashIs-d6d6f0e865aa4d08871752567f95645ddd966b1a044f048f9f6940a3560c7fd6.exe

    Filesize

    5.6MB

    MD5

    386238555736770273cc52c7b62992d1

    SHA1

    eabd86814cf03cf3a1323c58cdfba914e3505ccc

    SHA256

    16ba4e3b2788a938e2ce81b2d6aedeaf35926b1d03573bf6574423cd4d39ab85

    SHA512

    ddad84d886a803a9c978665fa126c32671719edf8504e42b8ace0b161d14d982501f8fc45490b409af548a24a54a71ed19a9b8c1394cda7c9be018c7d34afa9e

  • C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\reports\0a81ab7b-9aa4-4d2a-910b-a93aa54d97c6.dmp

    Filesize

    261KB

    MD5

    ef502ab7bef3e9c84042cb41727b648e

    SHA1

    961a16117f9f813884e5ee439452d6bbae429532

    SHA256

    f3ee8cd767d524ae53c62866c513652be8e26ec2a1332d45e42aa67efc7e496c

    SHA512

    672437cb4cd2c0494787ba5d68293d48727352e602510b19e1c9736e23ea67bd472985ff03987efea9afa360e8a90335bf15f893702b8b64bf5a1e268778ad18

  • C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat

    Filesize

    40B

    MD5

    a6e5591ccb7408ad95b0211897b047b9

    SHA1

    b1e4a7efc9f43b32b33ed6058b0f77924b97e187

    SHA256

    9f03a05bab3e821452078e829af5b4b55779411ddbd989a9bcf0ca1e336c21cc

    SHA512

    198afc57c7fdaf4575facf5bc0d72c15812db173fb052edcd8225f61b91c6b3ba05299ed0c27e44d61e68a2e277b46d3c6133c21f1b037bd4238b15431c59e05

  • memory/4308-117-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4308-118-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4308-120-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB