Overview

overview

7

Static

static

3

a4a29fae7a...9d.exe

windows7-x64

7

a4a29fae7a...9d.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 19:32

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target

    a4a29fae7a85c0788468f7013791fc0b485d92828930f79130c03a80e3901b9d.exe

  • Size

    196KB

  • MD5

    24ec9afcc75d281bfb45ed5f30e3cd46

  • SHA1

    0c6569602492d19c68300c5e2d88b3efa67a48fd

  • SHA256

    a4a29fae7a85c0788468f7013791fc0b485d92828930f79130c03a80e3901b9d

  • SHA512

    8e1b2289705f3eef80bb568550a586741f54b91d9a224339700ffbb0495d7da9b1e7fb8e6c73f7d94a1a4ced94942f066dcfef493697918b911ea96aef0e5f98

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOs:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX1

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4a29fae7a85c0788468f7013791fc0b485d92828930f79130c03a80e3901b9d.exe
    "C:\Users\Admin\AppData\Local\Temp\a4a29fae7a85c0788468f7013791fc0b485d92828930f79130c03a80e3901b9d.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A4A29F~1.EXE > nul
      2⤵
        PID:4608
    • C:\Windows\Debug\aiyhost.exe
      C:\Windows\Debug\aiyhost.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:4404

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\Debug\aiyhost.exe
            Filesize

            196KB

            MD5

            d285115e991d7e0b0bd65367af572a01

            SHA1

            b17cb571d7b53e1268648ee9cb5bbc478b8454b0

            SHA256

            dca4d9f6894539ce4e7bd7ceb903bb29113d58f897c30d81cb5c915cdff391a0

            SHA512

            26be8fb53d8d02ccfcb6defbca6663e04e66733f9e09372d54b0b1716f6296a939548be66bbce33c5a077542654232e646aafb7bae2ab9ae678ff3db8af35da2

            Download Submit