Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-03-2024 09:29

General

  • Target

    wqweskxoxzl1.exe

  • Size

    139.9MB

  • MD5

    edc2f068730d9229e0dc0a1fea3caf63

  • SHA1

    f9f2927bbcc5313dcf386a0a3d6d9173220ee49d

  • SHA256

    cbb12634878183c08fde3d46d021fed687f4d959d30aa3da3b95170f94afbc38

  • SHA512

    37317a954ccf49d17b6380d95553432c54f10ea158c82e3aadc30d32e5354652e2858d7d57b3940064dce8ea9468680003927547379fc9924698db96b2f25553

  • 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\wqweskxoxzl1.exe
    "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe
      "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\wqweskxoxzl1" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1208 --field-trial-handle=1232,i,15727417377339708078,2423559760345760972,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:2484
      • C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe
        "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\wqweskxoxzl1" --mojo-platform-channel-handle=1380 --field-trial-handle=1232,i,15727417377339708078,2423559760345760972,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:1912
        • C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe
          "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\wqweskxoxzl1" --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=1572 --field-trial-handle=1232,i,15727417377339708078,2423559760345760972,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
          2⤵
          • Checks computer location settings
          PID:2364
        • 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:2740
            • C:\Windows\system32\reg.exe
              C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
              3⤵
                PID:1456
            • 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:2720
                • C:\Windows\system32\reg.exe
                  C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                  3⤵
                    PID:1488
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                  2⤵
                    PID:2712
                    • C:\Windows\system32\tasklist.exe
                      tasklist
                      3⤵
                      • Enumerates processes with tasklist
                      • Suspicious use of AdjustPrivilegeToken
                      PID:820
                  • 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:2184
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                        3⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2204
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                      2⤵
                        PID:336
                        • C:\Windows\System32\Wbem\WMIC.exe
                          wmic path win32_VideoController get name
                          3⤵
                          • Detects videocard installed
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1428
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                        2⤵
                          PID:1416
                          • C:\Windows\system32\cmd.exe
                            cmd /c chcp 65001
                            3⤵
                              PID:1792
                              • C:\Windows\system32\chcp.com
                                chcp 65001
                                4⤵
                                  PID:1320
                              • C:\Windows\system32\netsh.exe
                                netsh wlan show profiles
                                3⤵
                                  PID:844
                              • C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe
                                "C:\Users\Admin\AppData\Local\Temp\wqweskxoxzl1.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\wqweskxoxzl1" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1820 --field-trial-handle=1232,i,15727417377339708078,2423559760345760972,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                                2⤵
                                  PID:1028

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • 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\wqweskxoxzl1\Local Storage\leveldb\CURRENT~RFf762175.TMP

                                Filesize

                                16B

                                MD5

                                46295cac801e5d4857d09837238a6394

                                SHA1

                                44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                SHA256

                                0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                SHA512

                                8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                              • \Users\Admin\AppData\Local\Temp\6109f119-d8ca-405b-af20-fa64874eabe0.tmp.node

                                Filesize

                                641KB

                                MD5

                                584319ff22d290d876119bc837b09448

                                SHA1

                                7f9049781500522e434844b22a53e134871ab6b7

                                SHA256

                                f7ab009cc890abee411c9a68f84a858e01ba0a8915b71ccde6ac7ec3b768d5b5

                                SHA512

                                2ba2d14d2e6ccfe446486b4f20fb91dee35c72fb991ee04ade640554014b41307da0b6dcab5ac9b5a97492c548da3226dd3b8f72b387397af19a771004b61dcb

                              • \Users\Admin\AppData\Local\Temp\aae66edf-faf0-4845-aab2-4190c5d1a239.tmp.node

                                Filesize

                                2.7MB

                                MD5

                                adf2a9f12bb4eaae86d9b770c89fbae0

                                SHA1

                                17f7ffe8eb1a0151ed7b522a57447468894a3b9f

                                SHA256

                                bd335aee860072540f486284bce8c22ad90d4a4f9c0bf755e98acdba9ecb10ab

                                SHA512

                                58a88aa00d0cc8f98cda33ad2434590f57e3bc139939b21392c6d0b2f95d6a910b52a1ac3b961841e44bc3698ce8118cda86bbff1b05830fcff7d8742417cae5

                              • memory/2240-35-0x00000000026C0000-0x00000000026C1000-memory.dmp

                                Filesize

                                4KB

                              • memory/2484-5-0x0000000000060000-0x0000000000061000-memory.dmp

                                Filesize

                                4KB

                              • memory/2484-62-0x0000000076F00000-0x0000000076F01000-memory.dmp

                                Filesize

                                4KB