Resubmissions

10-05-2024 17:13

240510-vrrk4sgd7t 10

10-05-2024 17:09

240510-vphv7abd29 10

Analysis

  • max time kernel
    135s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 17:13

General

  • Target

    High Priority/OnlineInstaller.exe

  • Size

    3.6MB

  • MD5

    4b042bfd9c11ab6a3fb78fa5c34f55d0

  • SHA1

    b0f506640c205d3fbcfe90bde81e49934b870eab

  • SHA256

    59c662a5207c6806046205348b22ee45da3f685fe022556716dbbd6643e61834

  • SHA512

    dae5957c8eee5ae7dd106346f7ea349771b693598f3d4d54abb39940c3d1a0b5731c8d4e07c29377838988a1e93dcd8c2946ce0515af87de61bca6de450409d3

  • SSDEEP

    98304:ghXqJiXwwhwvxR7FI6wYroMUQrYeoFj6bjsKzZx7T7:ghXqsX3hs79bxiEbgKX7

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\High Priority\OnlineInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\High Priority\OnlineInstaller.exe"
    1⤵
    • Checks for any installed AV software in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp
      C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp -install
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2356

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\OnlineInstaller.tmp
    Filesize

    3.6MB

    MD5

    4b042bfd9c11ab6a3fb78fa5c34f55d0

    SHA1

    b0f506640c205d3fbcfe90bde81e49934b870eab

    SHA256

    59c662a5207c6806046205348b22ee45da3f685fe022556716dbbd6643e61834

    SHA512

    dae5957c8eee5ae7dd106346f7ea349771b693598f3d4d54abb39940c3d1a0b5731c8d4e07c29377838988a1e93dcd8c2946ce0515af87de61bca6de450409d3