Analysis

  • max time kernel
    64s
  • max time network
    66s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 04:14

General

  • Target

    OlympicDestroyer.exe

  • Size

    1.8MB

  • MD5

    cfdd16225e67471f5ef54cab9b3a5558

  • SHA1

    26de43cc558a4e0e60eddd4dc9321bcb5a0a181c

  • SHA256

    edb1ff2521fb4bf748111f92786d260d40407a2e8463dcd24bb09f908ee13eb9

  • SHA512

    e1855a872f4db7c17eb22130d9cb205eddde641f1b39ea5de97dfb762fc97dc2347bc6e6e88b9c5a303e1540b4b4bdb19c839c7d3e237348adbfa4b942f24adb

  • SSDEEP

    49152:R9dnjRSnRMWHrVDoqNcVhcAwARGcWRrLy3pNq:3dVSRMUrVDEVHLRGdRrLy5N

Malware Config

Signatures

  • Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

  • Clears Windows event logs 1 TTPs 2 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 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.

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\OlympicDestroyer.exe
    "C:\Users\Admin\AppData\Local\Temp\OlympicDestroyer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\srhda.exe
      123 \\.\pipe\80DA7D5F-30B0-4D88-AA9C-CDD9CED37208
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:372
    • C:\Users\Admin\AppData\Local\Temp\imnad.exe
      123 \\.\pipe\3BB6B2BF-7AE1-472B-ACB6-5F40D15CCF07
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1744
    • C:\Users\Admin\AppData\Local\Temp\_dld.exe
      "C:\Users\Admin\AppData\Local\Temp\_dld.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4772
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c c:\Windows\system32\vssadmin.exe delete shadows /all /quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4928
        • \??\c:\Windows\system32\vssadmin.exe
          c:\Windows\system32\vssadmin.exe delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:3016
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wbadmin.exe delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1032
        • C:\Windows\system32\wbadmin.exe
          wbadmin.exe delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:4872
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4988
        • C:\Windows\system32\bcdedit.exe
          bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:540
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4780
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wevtutil.exe cl System
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4864
        • C:\Windows\system32\wevtutil.exe
          wevtutil.exe cl System
          4⤵
          • Clears Windows event logs
          • Suspicious use of AdjustPrivilegeToken
          PID:116
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wevtutil.exe cl Security
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3660
        • C:\Windows\system32\wevtutil.exe
          wevtutil.exe cl Security
          4⤵
          • Clears Windows event logs
          • Suspicious use of AdjustPrivilegeToken
          PID:3416
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1772
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3332
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:1012
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4688
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Downloads\PingPush.docx" /o ""
      1⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\_dld.exe

      Filesize

      36KB

      MD5

      3c0d740347b0362331c882c2dee96dbf

      SHA1

      8350e06f52e5c660bb416b03edb6a5ddc50c3a59

      SHA256

      ae9a4e244a9b3c77d489dee8aeaf35a7c3ba31b210e76d81ef2e91790f052c85

      SHA512

      a701f94b9cdebce6eff2f82552ec7554bf10d99019f8bcd6871ebca804d7519bdcfa3806ac7c7d8e604c3259c61c58b905293fa641c092a8fca8245f91eb0f8f

    • C:\Users\Admin\AppData\Local\Temp\imnad.exe

      Filesize

      277KB

      MD5

      d9c37b937ffde812ae15de885913e101

      SHA1

      ed1cd9e086923797fe2e5fe8ff19685bd2a40072

      SHA256

      f188abc33d351c2254d794b525c5a8b79ea78acd3050cd8d27d3ecfc568c2936

      SHA512

      164f45f3f8336ab450e119c716c30168c8115d5bdac7d220ea6f98a6889eee045092d163e54c2851a378a5d4877e913a342333c8bd0ab5615e34c40ca75e2877

    • C:\Users\Admin\AppData\Local\Temp\srhda.exe

      Filesize

      751KB

      MD5

      4f43f03783f9789f804dcf9b9474fa6d

      SHA1

      492d4a4a74099074e26b5dffd0d15434009ccfd9

      SHA256

      19ab44a1343db19741b0e0b06bacce55990b6c8f789815daaf3476e0cc30ebea

      SHA512

      645c2f0a1342732b86a45403fb8b1343bcc18c015c9918d2edf118bbb210fead98aa21f1b66ac5faabd0542583d74e158fbac6d5f0d49827f4eeb58c8ebafd6d

    • memory/372-5-0x0000000010000000-0x00000000100AA000-memory.dmp

      Filesize

      680KB

    • memory/1000-39-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1000-36-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1000-38-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1000-37-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1000-40-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1000-41-0x00007FFE5A790000-0x00007FFE5A7A0000-memory.dmp

      Filesize

      64KB

    • memory/1000-42-0x00007FFE5A790000-0x00007FFE5A7A0000-memory.dmp

      Filesize

      64KB

    • memory/1000-70-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1000-69-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1000-67-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1000-68-0x00007FFE5CD70000-0x00007FFE5CD80000-memory.dmp

      Filesize

      64KB

    • memory/1744-17-0x0000000180000000-0x000000018002B000-memory.dmp

      Filesize

      172KB