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
    19-12-2024 04:43

General

  • Target

    8f9e488e6aec846671d93d6ba0bff17cefbeeac4b296a1e84079a1ef5a38eda3.exe

  • Size

    889KB

  • MD5

    d779df7e2e03ffb4cd84df1c819d77d3

  • SHA1

    3d0675fe7fe214dad7c5b9ee1bf79d8157ccdbad

  • SHA256

    8f9e488e6aec846671d93d6ba0bff17cefbeeac4b296a1e84079a1ef5a38eda3

  • SHA512

    be21798ab9df98c33c94d9b67c5adc960f334e8e03c758438c89df42d53ad980fd15940db424594481d290b2cad6affb74478b4491828d45422dbefaf7de48c5

  • SSDEEP

    24576:WgcTNFhhpPhcLKrlJLxdloxADMSjZqXZL3FTmv1h:QTzzpPhaCLOqtjZOb8

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.

  • 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.

  • NSIS installer 1 IoCs
  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f9e488e6aec846671d93d6ba0bff17cefbeeac4b296a1e84079a1ef5a38eda3.exe
    "C:\Users\Admin\AppData\Local\Temp\8f9e488e6aec846671d93d6ba0bff17cefbeeac4b296a1e84079a1ef5a38eda3.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
    PID:4964

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\8f9e488e6aec846671d93d6ba0bff17cefbeeac4b296a1e84079a1ef5a38eda3.exe

    Filesize

    849KB

    MD5

    d1b657d7cde526d5d47477cdf8e9440c

    SHA1

    9d97df1268b3502af65279dcb96db34781adad9f

    SHA256

    dfc670bab8629de583b8861842b916cfa656d6302f021ce7e0b8e088bab8f376

    SHA512

    981d159b9ebbc7f51548515f9b6823343866bfdd5508f5fcb25c26ae9c2594f5e37ac7f28789e9d2dde1d946fd16010f6b7c426f28e930fd9510a8690a56830b

  • memory/4964-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4964-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4964-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB