Analysis

  • max time kernel
    156s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 11:58

General

  • Target
    BetaUnfated.exe
  • Size 139.8MB
  • Sample240417-n47drsfe41
  • SHA256 705dc4d21549b6603587ef120e0849814871bdd5fcd10c5fb6235e0ff779b6df
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Epsilon Stealer

    Information stealer.

  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

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

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Kills process with taskkill 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe
    "C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3216
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "wmic CsProduct Get UUID"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3852
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic CsProduct Get UUID
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2672
    • C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe
      "C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\BetaUnfated" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1680 --field-trial-handle=1780,1270283302249063414,8468849067640326185,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:2320
      • C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe
        "C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\BetaUnfated" --mojo-platform-channel-handle=2052 --field-trial-handle=1780,1270283302249063414,8468849067640326185,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4176
      • C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe
        "C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\BetaUnfated" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2384 --field-trial-handle=1780,1270283302249063414,8468849067640326185,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
        2⤵
        • Checks computer location settings
        • Suspicious behavior: EnumeratesProcesses
        PID:5084
      • C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe
        "C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --user-data-dir="C:\Users\Admin\AppData\Roaming\BetaUnfated" --mojo-platform-channel-handle=2748 --field-trial-handle=1780,1270283302249063414,8468849067640326185,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:2900
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM chrome.exe /F"
          2⤵
            PID:4752
            • C:\Windows\system32\taskkill.exe
              taskkill /IM chrome.exe /F
              3⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:820
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "taskkill /IM msedge.exe /F"
            2⤵
              PID:4184
              • C:\Windows\system32\taskkill.exe
                taskkill /IM msedge.exe /F
                3⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:1396
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions""
              2⤵
                PID:3132
                • C:\Windows\system32\reg.exe
                  C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
                  3⤵
                    PID:5044
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath"
                  2⤵
                    PID:1976
                    • C:\Windows\system32\reg.exe
                      C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                      3⤵
                        PID:3112
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                      2⤵
                        PID:728
                        • C:\Windows\system32\tasklist.exe
                          tasklist
                          3⤵
                          • Enumerates processes with tasklist
                          • Suspicious use of AdjustPrivilegeToken
                          PID:684
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /d /s /c "wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List"
                        2⤵
                          PID:1712
                          • C:\Windows\System32\Wbem\WMIC.exe
                            wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                            3⤵
                            • Suspicious use of AdjustPrivilegeToken
                            PID:1608
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                          2⤵
                            PID:2672
                            • C:\Windows\System32\Wbem\WMIC.exe
                              wmic path win32_VideoController get name
                              3⤵
                              • Detects videocard installed
                              PID:1772
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                            2⤵
                              PID:4008
                              • C:\Windows\system32\cmd.exe
                                cmd /c chcp 65001
                                3⤵
                                  PID:3232
                                  • C:\Windows\system32\chcp.com
                                    chcp 65001
                                    4⤵
                                      PID:4048
                                  • C:\Windows\system32\netsh.exe
                                    netsh wlan show profiles
                                    3⤵
                                      PID:4752
                                  • C:\Windows\system32\cmd.exe
                                    C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsUpdater /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsUpdater.exe /f"
                                    2⤵
                                      PID:3248
                                      • C:\Windows\system32\reg.exe
                                        C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsUpdater /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsUpdater.exe /f
                                        3⤵
                                        • Adds Run key to start application
                                        PID:3504
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                                      2⤵
                                        PID:2964
                                        • C:\Windows\system32\tasklist.exe
                                          tasklist
                                          3⤵
                                          • Enumerates processes with tasklist
                                          PID:4720
                                      • C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe
                                        "C:\Users\Admin\AppData\Local\Temp\BetaUnfated.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\BetaUnfated" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAIAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3704 --field-trial-handle=1780,1270283302249063414,8468849067640326185,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                                        2⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:4784
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:4924
                                      • C:\Windows\system32\AUDIODG.EXE
                                        C:\Windows\system32\AUDIODG.EXE 0x50c 0x388
                                        1⤵
                                          PID:1748

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              13f50260-e373-4a79-92d7-9b906f3e869f.tmp.node

                                              • Path C:\Users\Admin\AppData\Local\Temp\13f50260-e373-4a79-92d7-9b906f3e869f.tmp.node
                                              • Size 163KB
                                              • SHA256 8d6f5cab1d6a99ac49772080c6f383f33a9bb983e0f8d02d0f3de4b2bdd26215
                                              • MD5 SHA1 SHA512 SSDEEP

                                              97405982-49d6-471a-b93b-fce407f5a321.tmp.node

                                              • Path C:\Users\Admin\AppData\Local\Temp\97405982-49d6-471a-b93b-fce407f5a321.tmp.node
                                              • Size 652KB
                                              • SHA256 b314ee85e8f31cb13b5ed4d602615814cf1615646dc76b8eec7dc27551d8ba33
                                              • MD5 SHA1 SHA512 SSDEEP

                                              c832a938-b83d-4190-9438-89663300717d.tmp.node

                                              • Path C:\Users\Admin\AppData\Local\Temp\c832a938-b83d-4190-9438-89663300717d.tmp.node
                                              • Size 2.7MB
                                              • SHA256 7c999c84852b1f46a48f75b130fea445280d7032a56359dffecf36730366abc5
                                              • MD5 SHA1 SHA512 SSDEEP

                                              All Autofill Data.txt

                                              • Path C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\AutoFill Data\All Autofill Data.txt
                                              • Size 240B
                                              • SHA256 453478914b72d9056472fb1e44c69606c62331452f47a1f3c02190f26501785c
                                              • MD5 SHA1 SHA512

                                              All Credit Cards.txt

                                              • Path C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\Credit Cards\All Credit Cards.txt
                                              • Size 231B
                                              • SHA256 753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc
                                              • MD5 SHA1 SHA512

                                              Network Persistent State

                                              • Path C:\Users\Admin\AppData\Roaming\BetaUnfated\Network\Network Persistent State
                                              • Size 393B
                                              • SHA256 aca6372ab7edfd0f10f073212c312d3d17965d2d4edc0a999bed493c08912b4f
                                              • MD5 SHA1 SHA512

                                              Network Persistent State~RFe599a42.TMP

                                              • Path C:\Users\Admin\AppData\Roaming\BetaUnfated\Network\Network Persistent State~RFe599a42.TMP
                                              • Size 59B
                                              • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                                              • MD5 SHA1 SHA512

                                              default.dic

                                              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic
                                              • Size 2B
                                              • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
                                              • MD5 SHA1 SHA512

                                              memory/2320-10-0x00007FFD07940000-0x00007FFD07941000-memory.dmp

                                              memory/4752-95-0x00007FFD06AD5000-0x00007FFD06AD7000-memory.dmp

                                              memory/4784-143-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-145-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-144-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-149-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-150-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-151-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-152-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-153-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-154-0x0000028608A20000-0x0000028608A21000-memory.dmp

                                              memory/4784-155-0x0000028608A20000-0x0000028608A21000-memory.dmp