Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-10-2024 22:01

General

  • Target

    Set-up.exe

  • Size

    7.1MB

  • MD5

    1fa40212c55d477e22564c6dceec6075

  • SHA1

    3e255cd3763fd861cb5a0e6d657f243435633bed

  • SHA256

    d379101caed0503cb1e8b920625b0758ebb0446c3d66f6f30db4d811b7cf620f

  • SHA512

    47e6ce2043239c950d36c2ed4950bd51eaa350fc45b4466f0aa3159d8f81a5ab540c2241cb864d8c42646a0ebf0f968ffc294dc61557b5a094c5f1f67bf38778

  • SSDEEP

    98304:x2ULsGEg435nEiralM7SjwB+kWyrlWQgbi3h+1prqnTvxhTQoME4YlRzb0ano2XZ:x2ULsGEg435nEiralM7Um+hyrlW

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2844
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2308
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4664
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1936-41-0x0000000000D10000-0x0000000000D22000-memory.dmp

    Filesize

    72KB

  • memory/2844-27-0x0000000000D10000-0x0000000000D22000-memory.dmp

    Filesize

    72KB

  • memory/2844-28-0x0000000074DE0000-0x0000000074F14000-memory.dmp

    Filesize

    1.2MB

  • memory/3920-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

    Filesize

    6.7MB

  • memory/3920-9-0x00000000006E0000-0x0000000000DFE000-memory.dmp

    Filesize

    7.1MB

  • memory/3920-22-0x00000000006E0000-0x0000000000DFE000-memory.dmp

    Filesize

    7.1MB

  • memory/4664-26-0x0000000000D10000-0x0000000000D22000-memory.dmp

    Filesize

    72KB