Analysis

  • max time kernel
    31s
  • max time network
    40s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 06:51

Errors

Reason
Machine shutdown

General

  • Target

    $TEMP/GooglePinyinDownloader.exe

  • Size

    77KB

  • MD5

    1465ec3df8e8ab31f89fa32bcfaf07da

  • SHA1

    73a36f944fbe18a2b3308e790e1948db8a811ce1

  • SHA256

    e3c8772f34c183545cd6d643e8c1b28aeea0abdfb4ebd02b167363fb31195106

  • SHA512

    911276cbad2f32acd34af6c71e1cbd7c6204a4f0aad93a30fb1104d82469e620de878f292ffc406a8e8f8ce05dfe315e496844e8720b3cd74762163f6d7eb25d

  • SSDEEP

    1536:afppeVwsNT+W7Nv1KDMQ0jwg+rZGjvBtulY3ha:a+XwghQBNIZtulYk

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\GooglePinyinDownloader.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\GooglePinyinDownloader.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\GPY7DEA.tmp\GooglePinyinInstaller.exe
      "C:\Users\Admin\AppData\Local\Temp\GPY7DEA.tmp\GooglePinyinInstaller.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\GPY7DEA.tmp\GooglePinyinInstaller.exe

    Filesize

    11.5MB

    MD5

    50cf3f4ed3126a199d076642a87fba62

    SHA1

    bdd8692bb9feeb95027f0d8cf7d327c5cafac6a0

    SHA256

    9208f88499d650854f1c3392d8e5e71e139ef93e99e1013c37753690a78fae2a

    SHA512

    e5e83fdb1c3ac9e30f008a1490c6d857ed82d3f56a667deb61cdb96e6d53155a345db031b63cf10666b4644b2bcb032c332b8adbf357088cef1e94db4f63e9d7