Analysis

  • max time kernel
    101s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/04/2023, 00:43

General

  • Target
    setup.exe
  • Size 471KB
  • Sample230413-a2w85ahf7x
  • SHA256 0bddc13a8f3e8f2512f5e24fdaecc048d9a76c29ba85137deb70fb0c15da3fb0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 3.4

Botnet
  • e749025c61b2caca10aa829a9e1a65a1

C2
  • https://steamcommunity.com/profiles/76561199494593681

  • https://t.me/auftriebs

Attributes
  • profile_id_v2

    e749025c61b2caca10aa829a9e1a65a1

  • user_agent

    Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0

Extracted

Family
  • laplas

C2
  • http://185.106.92.74

Attributes
  • api_key

    bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396

Signatures

  • Laplas Clipper

    Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

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

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\ProgramData\55365626491968644388.exe
      "C:\ProgramData\55365626491968644388.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe
        "C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        PID:3348
    • C:\ProgramData\81398655593328646519.exe
      "C:\ProgramData\81398655593328646519.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4556
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\81398655593328646519.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1656
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 0
          4⤵
            PID:5116
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\setup.exe" & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          3⤵
          • Delays execution with timeout.exe
          PID:2792
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 1732
        2⤵
        • Program crash
        PID:1116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4616 -ip 4616
      1⤵
        PID:2108

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            55365626491968644388.exe

            • Path C:\ProgramData\55365626491968644388.exe
            • Size 7.2MB
            • SHA256 c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
            • MD5 SHA1 SHA512 SSDEEP

            55365626491968644388.exe

            • Path C:\ProgramData\55365626491968644388.exe
            • Size 7.2MB
            • SHA256 c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
            • MD5 SHA1 SHA512 SSDEEP

            55365626491968644388.exe

            • Path C:\ProgramData\55365626491968644388.exe
            • Size 7.2MB
            • SHA256 c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
            • MD5 SHA1 SHA512 SSDEEP

            81398655593328646519.exe

            • Path C:\ProgramData\81398655593328646519.exe
            • Size 4.3MB
            • SHA256 0a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
            • MD5 SHA1 SHA512 SSDEEP

            81398655593328646519.exe

            • Path C:\ProgramData\81398655593328646519.exe
            • Size 4.3MB
            • SHA256 0a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
            • MD5 SHA1 SHA512 SSDEEP

            81398655593328646519.exe

            • Path C:\ProgramData\81398655593328646519.exe
            • Size 4.3MB
            • SHA256 0a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
            • MD5 SHA1 SHA512 SSDEEP

            mozglue.dll

            • Path C:\ProgramData\mozglue.dll
            • Size 593KB
            • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
            • MD5 SHA1 SHA512 SSDEEP

            nss3.dll

            • Path C:\ProgramData\nss3.dll
            • Size 2.0MB
            • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
            • MD5 SHA1 SHA512 SSDEEP

            svcservice.exe

            • Path C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe
            • Size 725.8MB
            • SHA256 b0d9d8340c9d8b7118484cdb8b1410cca12e4862f21a478a0f76316d735240ae
            • MD5 SHA1 SHA512 SSDEEP

            svcservice.exe

            • Path C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe
            • Size 716.5MB
            • SHA256 25c2f69e0a191f1b3b5f0511a9eb80b0dd3892917dfe1b820dc945d9df119cb6
            • MD5 SHA1 SHA512 SSDEEP

            memory/3348-263-0x0000000000E10000-0x000000000194A000-memory.dmp

            memory/3348-261-0x0000000003720000-0x0000000003721000-memory.dmp

            memory/3348-262-0x0000000003730000-0x0000000003731000-memory.dmp

            memory/4064-241-0x0000000001E10000-0x0000000001E11000-memory.dmp

            memory/4064-242-0x0000000001E70000-0x0000000001E71000-memory.dmp

            memory/4064-244-0x0000000000DD0000-0x000000000190A000-memory.dmp

            memory/4556-243-0x0000000000FA0000-0x0000000001E03000-memory.dmp

            memory/4556-247-0x0000000000FA0000-0x0000000001E03000-memory.dmp

            memory/4616-144-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            memory/4616-256-0x0000000000400000-0x000000000081A000-memory.dmp

            memory/4616-134-0x0000000000860000-0x00000000008B7000-memory.dmp

            memory/4616-214-0x0000000000400000-0x000000000081A000-memory.dmp

            memory/4616-232-0x0000000000400000-0x000000000081A000-memory.dmp