Analysis

  • max time kernel
    191s
  • max time network
    203s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2024, 23:07

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
  • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2916
    • 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" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1200 --field-trial-handle=1236,i,14135995835064569770,12443209955191738020,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:2736
      • 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" --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=1680 --field-trial-handle=1236,i,14135995835064569770,12443209955191738020,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
        2⤵
        • Checks computer location settings
        PID:2628
      • 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" --mojo-platform-channel-handle=1376 --field-trial-handle=1236,i,14135995835064569770,12443209955191738020,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:388
        • 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" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1648 --field-trial-handle=1236,i,14135995835064569770,12443209955191738020,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
          2⤵
            PID:2424
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
            2⤵
              PID:2180
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
              2⤵
                PID:1660
              • 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:808
                • 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:556
                  • 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:932
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /d /s /c "tasklist"
                      2⤵
                        PID:3052
                      • 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:3048
                      • C:\Windows\system32\reg.exe
                        C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
                        1⤵
                          PID:2348
                        • C:\Windows\System32\Wbem\WMIC.exe
                          wmic path win32_VideoController get name
                          1⤵
                          • Detects videocard installed
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1820
                        • C:\Windows\system32\chcp.com
                          chcp 65001
                          1⤵
                            PID:1700
                          • C:\Windows\system32\netsh.exe
                            netsh wlan show profiles
                            1⤵
                              PID:2912
                            • C:\Windows\system32\cmd.exe
                              cmd /c chcp 65001
                              1⤵
                                PID:2640
                              • C:\Windows\System32\Wbem\WMIC.exe
                                wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
                                1⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:2176
                              • C:\Windows\system32\reg.exe
                                C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
                                1⤵
                                  PID:2052
                                • 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:2264
                                • C:\Windows\system32\tasklist.exe
                                  tasklist
                                  1⤵
                                  • Enumerates processes with tasklist
                                  PID:2740

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                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\Local Storage\leveldb\CURRENT~RFf770a5d.TMP

                                  Filesize

                                  16B

                                  MD5

                                  46295cac801e5d4857d09837238a6394

                                  SHA1

                                  44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                  SHA256

                                  0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                  SHA512

                                  8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                                • \Users\Admin\AppData\Local\Temp\b086a55f-1f3e-4487-b023-3a7e721558c7.tmp.node

                                  Filesize

                                  301KB

                                  MD5

                                  df09b5dc1c2b23c6caeb0994295130fb

                                  SHA1

                                  99eacd989e46ea7a2d758f068b008dbdc45f7976

                                  SHA256

                                  a9e11a8720826c7db276afaa8380be91e53f7f31e96bc3c6da7f2a94cca71d17

                                  SHA512

                                  92e437fa8db3e1b936abd89ab2bbea4486353043078720c9e8e59a4c776ee13448b37f29cd6d8a119e4af0f8c691d0475159d3525fb3329bc66ca30b5b443e33

                                • \Users\Admin\AppData\Local\Temp\b65becc1-4edc-4b24-a5f4-096ce768de60.tmp.node

                                  Filesize

                                  93KB

                                  MD5

                                  eb0daa1f202df3fbaa9b733f5b6e70da

                                  SHA1

                                  de0c14d30225f74f935dd01d99b67287aa0ee070

                                  SHA256

                                  0ba9bd4d3f7092375085a33079b78f99e6ca71a09a4209c2870bf7250e4dd1bb

                                  SHA512

                                  06fd500f101b3409bbd25b0a6358493f9b9f48ed3f869b5f09520fb789d8e96f31158a8112af021c20407b64eb9735865eabe27492550f1e0c4f4533496fa79e

                                • memory/2736-5-0x0000000000060000-0x0000000000061000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2736-43-0x0000000077430000-0x0000000077431000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2916-48-0x0000000002B70000-0x0000000002B71000-memory.dmp

                                  Filesize

                                  4KB