Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-03-2024 14:22

General

  • Target

    IslandHoppersInstaller2.exe

  • Size

    139.9MB

  • MD5

    67e52384a6b5cc0f5d51ba6b913e1aa7

  • SHA1

    8d3f244acc64f7383e4b5746cc3605b9d4d55f82

  • SHA256

    8afccd7efb1b8df431159aa6b40e429e2c090863413b241d6b6d28f903d80f92

  • SHA512

    77c90684561616e221b860703d5ccdce7e074d8f8cd427a7adf69c48a837cdc1f68a9a448bba988e059b2ba26072bf6bfd62a10eb35fb3b46f3bcb1d85c0eb8a

  • SSDEEP

    1572864:E2Cm7gJKfVjsPawuFHNwczWTeMkF7ZEk8bCkKbj:7aodJFek8+k

Score
10/10

Malware Config

Signatures

  • Epsilon Stealer

    Information stealer.

  • 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.

  • Looks up external IP address via web service 2 IoCs

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

  • 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\IslandHoppersInstaller2.exe
    "C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.exe
      "C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\IslandHoppersInstaller2" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1608 --field-trial-handle=1872,i,18175628121360894101,18223332254618645790,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:3680
      • C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.exe
        "C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\IslandHoppersInstaller2" --mojo-platform-channel-handle=2160 --field-trial-handle=1872,i,18175628121360894101,18223332254618645790,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:808
        • C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.exe
          "C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\IslandHoppersInstaller2" --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=2476 --field-trial-handle=1872,i,18175628121360894101,18223332254618645790,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
          2⤵
          • Checks computer location settings
          PID:3148
        • 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:684
            • C:\Windows\system32\reg.exe
              C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
              3⤵
                PID:4476
            • 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:3484
                • C:\Windows\system32\reg.exe
                  C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                  3⤵
                    PID:1028
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                  2⤵
                    PID:452
                    • C:\Windows\system32\tasklist.exe
                      tasklist
                      3⤵
                      • Enumerates processes with tasklist
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4528
                  • 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:1568
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                        3⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4544
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                      2⤵
                        PID:1980
                        • C:\Windows\System32\Wbem\WMIC.exe
                          wmic path win32_VideoController get name
                          3⤵
                          • Detects videocard installed
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2316
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                        2⤵
                          PID:3260
                          • C:\Windows\system32\cmd.exe
                            cmd /c chcp 65001
                            3⤵
                              PID:3984
                              • C:\Windows\system32\chcp.com
                                chcp 65001
                                4⤵
                                  PID:3440
                              • C:\Windows\system32\netsh.exe
                                netsh wlan show profiles
                                3⤵
                                  PID:400
                              • C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.exe
                                "C:\Users\Admin\AppData\Local\Temp\IslandHoppersInstaller2.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\IslandHoppersInstaller2" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1640 --field-trial-handle=1872,i,18175628121360894101,18223332254618645790,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3540

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Temp\5cba20b1-672f-4195-818a-97d1ac55c7e9.tmp.node

                              Filesize

                              2.7MB

                              MD5

                              adf2a9f12bb4eaae86d9b770c89fbae0

                              SHA1

                              17f7ffe8eb1a0151ed7b522a57447468894a3b9f

                              SHA256

                              bd335aee860072540f486284bce8c22ad90d4a4f9c0bf755e98acdba9ecb10ab

                              SHA512

                              58a88aa00d0cc8f98cda33ad2434590f57e3bc139939b21392c6d0b2f95d6a910b52a1ac3b961841e44bc3698ce8118cda86bbff1b05830fcff7d8742417cae5

                            • C:\Users\Admin\AppData\Local\Temp\c0efd53d-dcde-408f-b4a2-d5401f24e0aa.tmp.node

                              Filesize

                              641KB

                              MD5

                              a1e7eb1c779f68fb79854dc5077a84e9

                              SHA1

                              f8a50c2abc52eb268ccff353f3e6ef1a9a95064b

                              SHA256

                              e3cfd0b85984a2bbcbf42e42abcc6cdfe48165362220b3b37b5ce9fc33eab9ce

                              SHA512

                              e7594ab6d632949de9217aaf8e98bde1c2f2f4be4106f42e9405a9844a2ff1cc2a25da9507c25b0f509ebb7fb141b6c6d04a36e08f35956824569b2b74b9c228

                            • 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\IslandHoppersInstaller2\Network\Network Persistent State

                              Filesize

                              296B

                              MD5

                              539618d1396a72ff3895f2988f575ef9

                              SHA1

                              8984e2bb8144b3ea9508c3e5faf4c287263f8621

                              SHA256

                              3d1339a4f8d6aa3e3fe4e104a750e326f56d5777e6d7f737fd5c50d62711d875

                              SHA512

                              847d978ef7f8b029301f60132bac46129153a007e22454c32cc37e253d8ebf5e8bc04e0df25da15ab975f1786766c26fed5f2f09d5821c3613f8f0dbd02d9558

                            • C:\Users\Admin\AppData\Roaming\IslandHoppersInstaller2\Network\Network Persistent State~RFe588b72.TMP

                              Filesize

                              59B

                              MD5

                              2800881c775077e1c4b6e06bf4676de4

                              SHA1

                              2873631068c8b3b9495638c865915be822442c8b

                              SHA256

                              226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

                              SHA512

                              e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

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

                              Filesize

                              2B

                              MD5

                              f3b25701fe362ec84616a93a45ce9998

                              SHA1

                              d62636d8caec13f04e28442a0a6fa1afeb024bbb

                              SHA256

                              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                              SHA512

                              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

                            • memory/3148-40-0x00007FF84F4C0000-0x00007FF84F4C1000-memory.dmp

                              Filesize

                              4KB

                            • memory/3148-50-0x00007FF84FB00000-0x00007FF84FB01000-memory.dmp

                              Filesize

                              4KB

                            • memory/3148-122-0x00000268500A0000-0x00000268500D0000-memory.dmp

                              Filesize

                              192KB

                            • memory/3540-156-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-154-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-155-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-160-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-161-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-162-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-164-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-163-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-166-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3540-165-0x000001F2BCD10000-0x000001F2BCD11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3680-6-0x00007FF84ED10000-0x00007FF84ED11000-memory.dmp

                              Filesize

                              4KB

                            • memory/3680-121-0x00000265CF170000-0x00000265CF1A0000-memory.dmp

                              Filesize

                              192KB