Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 18:58

General

  • Target

    e4c1b812fcb9377840912f8598849268ce02515d2767f9db09358c902812211b.exe

  • Size

    1.9MB

  • MD5

    207a25e15d0de7874596b8abad26d7f2

  • SHA1

    b3fd35f1119c998da6e24023384f9bddffb8da43

  • SHA256

    e4c1b812fcb9377840912f8598849268ce02515d2767f9db09358c902812211b

  • SHA512

    3328ff44cd394f2528d0b37bc67794d934e3a76315d59a4f5dd36c59ee64d85323c6bafdceb27a57650919e853bb994b751b98307d5928d0d13998b9d6a1cd52

  • SSDEEP

    24576:djXbFpKMuo1FvP9qaUedLBLNIm8g0dlglYtmLuePvji7UFK7cYfZI:dP9qa11BL6m8tdlS4ZwrYC

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.

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4c1b812fcb9377840912f8598849268ce02515d2767f9db09358c902812211b.exe
    "C:\Users\Admin\AppData\Local\Temp\e4c1b812fcb9377840912f8598849268ce02515d2767f9db09358c902812211b.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:3024

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\e4c1b812fcb9377840912f8598849268ce02515d2767f9db09358c902812211b.exe

    Filesize

    1.9MB

    MD5

    bef3aa95b43d9e5cae5d99f20f5745ea

    SHA1

    3fef9ee485a0252f6211ce1d91b42c72e91647b0

    SHA256

    51bb2462351a2b2c84a5ce1d8e5a9f381e1ffaa3450d76c84cb9b4019dc93374

    SHA512

    f1df8b5c15d1f7ef903fea76739d6c74a404286ef13a5aa5fe5ba70a37033da1e5f0e5991d351290a85210c3a791ccace8f9cad1d7540c3c03ad6fd8d2fada32

  • memory/3024-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3024-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3024-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB