Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 18:06

General

  • Target

    9d124d18798fc7300128ee801ad188634cc0157eba98e89f7d13b53d3d175ea5N.exe

  • Size

    3.3MB

  • MD5

    ff700989131678873d727db669b2a580

  • SHA1

    64018517d0082687831ae03b1e3e2cc26823b9cb

  • SHA256

    9d124d18798fc7300128ee801ad188634cc0157eba98e89f7d13b53d3d175ea5

  • SHA512

    82819a1c9608567dc46fbb0adba04c95936d511b3c269f06e5a1505b297750b72b55926c754394fde7cbadc74f81dc8c00faefa62a6bff919942538f2c5667b7

  • SSDEEP

    49152:nje5OjPWMcoEbjDhL3Iq/XqzpOqMp0Sq//pS:EoKjDt1Na9

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 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 use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d124d18798fc7300128ee801ad188634cc0157eba98e89f7d13b53d3d175ea5N.exe
    "C:\Users\Admin\AppData\Local\Temp\9d124d18798fc7300128ee801ad188634cc0157eba98e89f7d13b53d3d175ea5N.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:1632
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9d124d18798fc7300128ee801ad188634cc0157eba98e89f7d13b53d3d175ea5N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9d124d18798fc7300128ee801ad188634cc0157eba98e89f7d13b53d3d175ea5N.exe"
      2⤵
      • Executes dropped EXE
      PID:3056

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\9d124d18798fc7300128ee801ad188634cc0157eba98e89f7d13b53d3d175ea5N.exe

    Filesize

    3.2MB

    MD5

    d655bca1a5e65658ea2985a44a777374

    SHA1

    9823f62b6bccb65e90f7d5cd5ee677040de0c793

    SHA256

    9f137707ac5ceca317414d6936487d2f9dc8b3461986600994df1377909d7b1e

    SHA512

    fa0cedc380c8300ce591aad88458d2101471d9e97f7ec3255f6842094721f761523243149b3bb6cb2263db8b13e94f3d128824196e2b347baaaff3a98f32d9ec

  • memory/1632-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1632-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1632-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1632-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB