Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 21:30

General

  • Target

    updater.exe

  • Size

    140.1MB

  • MD5

    3db60378dae46b211045c4669998c1a5

  • SHA1

    487a891c4ea6a2f7ecf3f93f8b047f9e68f1f574

  • SHA256

    0dd66a537ead22c55bbd341c647341faaa260c499de26a0d398fb74240867c44

  • SHA512

    898a371da1da9fc717f9bcbf5793b2805d1f0ff741b31324b3d98594db4a5138a1a2bc8e304c76f3e723e86032d7785b561563b5c5219e29bc7a052d4c9f57e5

  • SSDEEP

    1572864:g2Cm7gJKfVjsPawuFHNwczWTeMkF7ZEk8bCkKbj:3aodJFek8+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
  • Modifies system certificate store 2 TTPs 4 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\updater.exe
    "C:\Users\Admin\AppData\Local\Temp\updater.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\updater.exe
      "C:\Users\Admin\AppData\Local\Temp\updater.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\updater is a game" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1160 --field-trial-handle=1224,i,13998806269803145560,2653776469197455309,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:2728
      • C:\Users\Admin\AppData\Local\Temp\updater.exe
        "C:\Users\Admin\AppData\Local\Temp\updater.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\updater 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=1644 --field-trial-handle=1224,i,13998806269803145560,2653776469197455309,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
        2⤵
        • Checks computer location settings
        PID:2432
      • C:\Users\Admin\AppData\Local\Temp\updater.exe
        "C:\Users\Admin\AppData\Local\Temp\updater.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\updater is a game" --mojo-platform-channel-handle=904 --field-trial-handle=1224,i,13998806269803145560,2653776469197455309,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:2520
        • 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:1724
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1200
          • 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:944
              • C:\Windows\system32\reg.exe
                C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                3⤵
                  PID:1644
              • 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:2188
                  • C:\Windows\system32\reg.exe
                    C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
                    3⤵
                      PID:1192
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
                    2⤵
                      PID:2172
                      • C:\Windows\System32\Wbem\WMIC.exe
                        wmic path win32_VideoController get name
                        3⤵
                        • Detects videocard installed
                        • Suspicious use of AdjustPrivilegeToken
                        PID:1420
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
                      2⤵
                        PID:1320
                        • C:\Windows\system32\cmd.exe
                          cmd /c chcp 65001
                          3⤵
                            PID:1636
                            • C:\Windows\system32\chcp.com
                              chcp 65001
                              4⤵
                                PID:1036
                            • C:\Windows\system32\netsh.exe
                              netsh wlan show profiles
                              3⤵
                                PID:1944
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                              2⤵
                                PID:2056
                                • C:\Windows\system32\tasklist.exe
                                  tasklist
                                  3⤵
                                  • Enumerates processes with tasklist
                                  PID:2820
                              • 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:2300
                                  • 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
                                    3⤵
                                    • Adds Run key to start application
                                    PID:1456

                              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\updater is a game\Local Storage\leveldb\CURRENT~RFf763092.TMP

                                Filesize

                                16B

                                MD5

                                46295cac801e5d4857d09837238a6394

                                SHA1

                                44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                SHA256

                                0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                SHA512

                                8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                              • \Users\Admin\AppData\Local\Temp\1c1fb814-bfad-4064-a500-184a68dc3540.tmp.node

                                Filesize

                                641KB

                                MD5

                                1a35f879aed40611a91d5f81bf5174cc

                                SHA1

                                12f53c83fbb4df9ee241d413b9501e99d3a44fd4

                                SHA256

                                1d1703fb9620561c139f2094887a5dd4d6461e08acaf214082475f0eda0874d9

                                SHA512

                                b21a006b161cb618d25c6914336cde5809527bf4f827d44ca7c311cc4b716cf4d2ce2f950f21b936306922548a3fbf6f78eb03d86a8669112ea63997b8d56ae4

                              • \Users\Admin\AppData\Local\Temp\973bf68e-6147-42e1-ae63-e8f99b9f179b.tmp.node

                                Filesize

                                2.7MB

                                MD5

                                315d0e0232404fe214383edad02986ef

                                SHA1

                                cf5b71ae1008eb6e7b4924cc206aaf65db2c9c90

                                SHA256

                                6974b8b97be6de1d5dec382424e48f99e6979e79e7c089496039f2869b6e9caa

                                SHA512

                                709a13f9507be6228dd75c73e056136157b8ac6dc356b9fb0f4eb1d7f506590a08c7d85f4e7795f53a33dc9abb72cb2765c3ae93cad63f9bd773b3fcd711fa33

                              • memory/2728-5-0x0000000000060000-0x0000000000061000-memory.dmp

                                Filesize

                                4KB

                              • memory/2728-42-0x0000000077DC0000-0x0000000077DC1000-memory.dmp

                                Filesize

                                4KB

                              • memory/3024-57-0x00000000024A0000-0x00000000024A1000-memory.dmp

                                Filesize

                                4KB