Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 06:27

General

  • Target

    EmberLast.exe

  • Size

    140.1MB

  • MD5

    75047f010c605783e40317570fe70f66

  • SHA1

    d90639d96e4293512894e6f3441a8fc108de9ef7

  • SHA256

    56dfd59839720f31f68f5e1ffc3198823e4ada28b17390d633fdd8dc00f0d344

  • SHA512

    44ca5e1e9d656c7f3176964f0948e2b22be736455235d1674c430ec02d3b1eb59bb954bcf72393553800ea5ce99834afc80c1b0ed7b175566a41a45d0f39b02a

  • SSDEEP

    1572864:I2Cm7gJKfVjsPawuFHNwczWTeMkF7ZEk8bCkKbj:vaodJFek8+k

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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.

  • 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 processor information in registry 2 TTPs 7 IoCs

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

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\EmberLast.exe
    "C:\Users\Admin\AppData\Local\Temp\EmberLast.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Users\Admin\AppData\Local\Temp\EmberLast.exe
      "C:\Users\Admin\AppData\Local\Temp\EmberLast.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\EmberLast is a game" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1764 --field-trial-handle=1896,i,4486619111991145288,15740218884713132000,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:3640
      • C:\Users\Admin\AppData\Local\Temp\EmberLast.exe
        "C:\Users\Admin\AppData\Local\Temp\EmberLast.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\EmberLast is a game" --mojo-platform-channel-handle=2032 --field-trial-handle=1896,i,4486619111991145288,15740218884713132000,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:4880
        • C:\Users\Admin\AppData\Local\Temp\EmberLast.exe
          "C:\Users\Admin\AppData\Local\Temp\EmberLast.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\EmberLast is a game" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --enable-sandbox --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2524 --field-trial-handle=1896,i,4486619111991145288,15740218884713132000,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
          2⤵
          • Checks computer location settings
          PID:3948
        • 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:3324
          • 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:1716
            • 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:1168
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                2⤵
                  PID:2396
                  • C:\Windows\System32\Wbem\WMIC.exe
                    wmic path win32_VideoController get name
                    3⤵
                    • Detects videocard installed
                    • Suspicious use of AdjustPrivilegeToken
                    PID:4972
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                  2⤵
                    PID:3396
                    • C:\Windows\system32\netsh.exe
                      netsh wlan show profiles
                      3⤵
                        PID:3960
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                      2⤵
                        PID:3912
                        • C:\Windows\system32\tasklist.exe
                          tasklist
                          3⤵
                          • Enumerates processes with tasklist
                          PID:3520
                      • 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 WindowsBootManager /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsBootManager.exe /f"
                        2⤵
                          PID:1968
                        • C:\Users\Admin\AppData\Local\Temp\EmberLast.exe
                          "C:\Users\Admin\AppData\Local\Temp\EmberLast.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\EmberLast is a game" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=932 --field-trial-handle=1896,i,4486619111991145288,15740218884713132000,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:864
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                        1⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:912
                      • C:\Windows\system32\reg.exe
                        C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                        1⤵
                          PID:3524
                        • C:\Windows\system32\reg.exe
                          C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
                          1⤵
                            PID:4108
                          • C:\Windows\system32\cmd.exe
                            cmd /c chcp 65001
                            1⤵
                              PID:2704
                              • C:\Windows\system32\chcp.com
                                chcp 65001
                                2⤵
                                  PID:4564
                              • C:\Windows\system32\reg.exe
                                C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsBootManager /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsBootManager.exe /f
                                1⤵
                                • Adds Run key to start application
                                PID:612

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\a2815c57-db4d-43a3-a663-0ed03d24eace.tmp.node

                                      Filesize

                                      804KB

                                      MD5

                                      6798e4198313ba17364999610b509b41

                                      SHA1

                                      cfccd49ab3a327787f1e281ad86ecadc54a51790

                                      SHA256

                                      39c26124a50abcdaf36a2f4bdab8daa1a0b2778fd000fa96f01dc7ceea47a436

                                      SHA512

                                      08d4213e9d2de431205c9c792a4ace2a1f0855cd6b0e62b518b2177657685e630ec291f2954b7e0f24a0523c1b20e592d72c8d75c84e40271a5fc259707164bc

                                    • C:\Users\Admin\AppData\Local\Temp\d7193302-dfcf-4f2c-b8ad-387143e31a36.tmp.node

                                      Filesize

                                      641KB

                                      MD5

                                      121b32fc7ad29bd5357f22e0ef1b9f69

                                      SHA1

                                      1349b3b5a292b7aaadd8292e8cea744d119b6bec

                                      SHA256

                                      c80dc872d81391dd08389ddfd3dfd8be8cbdab62598c82774b6582ea988eb421

                                      SHA512

                                      6b0784b15d788470c447ce81f8ce4b08e607784b71bd568726d46abe74e51e2966d91a1a866b0dbc1ad6bf2650ed23d0672779671128af94dde745b64dc6686e

                                    • C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\Antivirus.txt

                                      Filesize

                                      231B

                                      MD5

                                      dec2be4f1ec3592cea668aa279e7cc9b

                                      SHA1

                                      327cf8ab0c895e10674e00ea7f437784bb11d718

                                      SHA256

                                      753b99d2b4e8c58bfd10995d0c2c19255fe9c8f53703bb27d1b6f76f1f4e83cc

                                      SHA512

                                      81728e3d31b72905b3a09c79d1e307c4e8e79d436fcfe7560a8046b46ca4ae994fdfaeb1bc2328e35f418b8128f2e7239289e84350e142146df9cde86b20bb66

                                    • C:\Users\Admin\AppData\Local\Temp\epsilon-Admin\AutoFill Data\All Autofill Data.txt

                                      Filesize

                                      249B

                                      MD5

                                      cf7e4a12f932a3fddddacc8b10e1f1b0

                                      SHA1

                                      db6f9bc2be5e0905086b7b7b07109ef8d67b24ee

                                      SHA256

                                      1b6d3f6ad849e115bf20175985bed9bcfc6ec206e288b97ac14c3a23b5d28a4b

                                      SHA512

                                      fab79f26c1841310cc61e2f8336ca05281a9252a34a3c240e500c8775840374edb0a42094c64aa38a29ca79e1cafa114d6f1bbe3009060d32f8c1df9f088c12c

                                    • C:\Users\Admin\AppData\Roaming\EmberLast is a game\Network\Network Persistent State

                                      Filesize

                                      296B

                                      MD5

                                      90bce103f5d75f0d3cc699c1578c778a

                                      SHA1

                                      6c6d93755cc216f60d98438fbfb7418056d52976

                                      SHA256

                                      5ef49090a0b528907e98b5de77a541906a6493096ec3614fae476cac06a6d60e

                                      SHA512

                                      0d18ef761d18c4d891a2157e56ebd22d99604e38a669314f65e36f7dc9d760f420df29630187bcdca2b52c7d80663453782210347651247fcbde70c57f1119a9

                                    • C:\Users\Admin\AppData\Roaming\EmberLast is a game\Network\Network Persistent State~RFe588538.TMP

                                      Filesize

                                      59B

                                      MD5

                                      78bfcecb05ed1904edce3b60cb5c7e62

                                      SHA1

                                      bf77a7461de9d41d12aa88fba056ba758793d9ce

                                      SHA256

                                      c257f929cff0e4380bf08d9f36f310753f7b1ccb5cb2ab811b52760dd8cb9572

                                      SHA512

                                      2420dff6eb853f5e1856cdab99561a896ea0743fcff3e04b37cb87eddf063770608a30c6ffb0319e5d353b0132c5f8135b7082488e425666b2c22b753a6a4d73

                                    • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

                                      Filesize

                                      2B

                                      MD5

                                      f3b25701fe362ec84616a93a45ce9998

                                      SHA1

                                      d62636d8caec13f04e28442a0a6fa1afeb024bbb

                                      SHA256

                                      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                                      SHA512

                                      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

                                    • memory/864-173-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-167-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-177-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-176-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-175-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-165-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-171-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-174-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-166-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/864-172-0x000001FCB2BD0000-0x000001FCB2BD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3640-132-0x000001FFF3B30000-0x000001FFF426F000-memory.dmp

                                      Filesize

                                      7.2MB

                                    • memory/3640-17-0x00007FFA81D30000-0x00007FFA81D31000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3948-26-0x00007FFA80CA0000-0x00007FFA80CA1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3948-25-0x00007FFA81B50000-0x00007FFA81B51000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3948-133-0x0000025EC9460000-0x0000025EC9B9F000-memory.dmp

                                      Filesize

                                      7.2MB