Analysis

  • max time kernel
    104s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 13:52

General

  • Target

    063f0fc2b129cfb59c191fbcb2ca55716f0d2495c525ffbf24706bbe28e061feN.exe

  • Size

    136KB

  • MD5

    0f4bd87814026d9e0a480cf5e31fdda0

  • SHA1

    79ab7af901bfaeebf97b298f4ebcfa9e6abc5a7d

  • SHA256

    063f0fc2b129cfb59c191fbcb2ca55716f0d2495c525ffbf24706bbe28e061fe

  • SHA512

    d51d8c5d865b747d8f49372d7a9e53209104c77bb9da021f3400866180d386b15b0bf93177d4f286b8c6907e4fc99db8b6b14610fac5ea7e899de04088c524bc

  • SSDEEP

    1536:JxqjQ+P04wsmJCWrg74dfFGb6mdn02pVy7uHrFs:sr85Cxt3dn0uVyURs

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.

  • Neshta family
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\063f0fc2b129cfb59c191fbcb2ca55716f0d2495c525ffbf24706bbe28e061feN.exe
    "C:\Users\Admin\AppData\Local\Temp\063f0fc2b129cfb59c191fbcb2ca55716f0d2495c525ffbf24706bbe28e061feN.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:5088
    • C:\Users\Admin\AppData\Local\Temp\3582-490\063f0fc2b129cfb59c191fbcb2ca55716f0d2495c525ffbf24706bbe28e061feN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\063f0fc2b129cfb59c191fbcb2ca55716f0d2495c525ffbf24706bbe28e061feN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2796

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\063f0fc2b129cfb59c191fbcb2ca55716f0d2495c525ffbf24706bbe28e061feN.exe

    Filesize

    96KB

    MD5

    bbcde125ce736f1d9fa54776a1c4a2cd

    SHA1

    a1969e65664c7c95918242f30ce4234b9afb4311

    SHA256

    43f3d3912a546a4b17f5d285d467571338dc50f7b994bdf733fcb8966e198071

    SHA512

    5a44fb808e709d6d7565fd4338f823e76a89d9a2212901f59cc126a185a9c41f4b2631e25ad0f3b3df79e0163a215364dd2501b12d06b9003bbe4653dabeea67

  • memory/5088-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5088-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5088-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5088-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB