Analysis

  • max time kernel
    145s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2024, 12:19

General

  • Target

    Set-up.exe

  • Size

    9.5MB

  • MD5

    4245967a926c1cef566f5d4754ef2923

  • SHA1

    ac394d385cc766b1849c4fa77f7a0ca71e2a7903

  • SHA256

    46634574ab6fecf574b8fc8443c95f0757f78e289f7485f8e8f57a51e5854ea8

  • SHA512

    bffe9efb241187aafc810f365f93834540ac954a4972ac79b3b8b314da7143f576cc9e159ed01c40e665d120e8eda034b3176e8333ffee9df6d82b5c382a0ac5

  • SSDEEP

    49152:7itQurY2PcI5gyY/M4XFWk2sACrh+ueO63nsk0FwJZpxm2TfSr7LIYoMRBW:dQnPcAY/H1UF

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 2 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:468
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2548
    • 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:2588
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {53FE4478-04E5-4147-A274-E68566D8DF0A} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2916
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/468-0-0x0000000000D50000-0x00000000016DF000-memory.dmp

    Filesize

    9.6MB

  • memory/468-1-0x0000000000D50000-0x00000000016DF000-memory.dmp

    Filesize

    9.6MB

  • memory/468-16-0x0000000000D50000-0x00000000016DF000-memory.dmp

    Filesize

    9.6MB

  • memory/1516-42-0x00000000012C0000-0x00000000012D2000-memory.dmp

    Filesize

    72KB

  • memory/2548-18-0x00000000012C0000-0x00000000012D2000-memory.dmp

    Filesize

    72KB

  • memory/2548-19-0x0000000074FE0000-0x0000000075114000-memory.dmp

    Filesize

    1.2MB

  • memory/2916-27-0x00000000012C0000-0x00000000012D2000-memory.dmp

    Filesize

    72KB