Analysis

  • max time kernel
    227s
  • max time network
    215s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/06/2024, 21:31

General

  • Target
    880E.exe
  • Size 4.3MB
  • Sample240604-1c53vacb2z
  • SHA256 deb1116c4183fb13e12441140167656729cf3a6b32b6488f2b6b72d578536e01
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • systembc

C2
  • 204.137.14.135:443

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\880E.exe
    "C:\Users\Admin\AppData\Local\Temp\880E.exe"
    1⤵
      PID:1696
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /7
      1⤵
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4268
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3196
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe"
        1⤵
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2656
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ff8824aab58,0x7ff8824aab68,0x7ff8824aab78
          2⤵
            PID:3840
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1724 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:2
            2⤵
              PID:1676
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2032 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
              2⤵
                PID:348
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2292 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
                2⤵
                  PID:940
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2992 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:1
                  2⤵
                    PID:4144
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3028 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:1
                    2⤵
                      PID:4848
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4296 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:1
                      2⤵
                        PID:4368
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3900 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
                        2⤵
                          PID:2652
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4596 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
                          2⤵
                            PID:4952
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4580 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
                            2⤵
                              PID:1924
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4820 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
                              2⤵
                                PID:4384
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4840 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
                                2⤵
                                  PID:4856
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=4488 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:1
                                  2⤵
                                    PID:1532
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=3568 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:1
                                    2⤵
                                      PID:3552
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3100 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
                                      2⤵
                                        PID:4836
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4192 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:8
                                        2⤵
                                        • Modifies registry class
                                        • Suspicious use of SetWindowsHookEx
                                        PID:412
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.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 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4856 --field-trial-handle=1948,i,18343521226543377264,1869609383917273148,131072 /prefetch:2
                                        2⤵
                                          PID:3736
                                      • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                                        "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                                        1⤵
                                          PID:2384

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              f_000012

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000012
                                              • Size 207KB
                                              • SHA256 e8965a2d52ef25918ebee58ab6971745d396177a7943acf1ed53a65bb4dddd45
                                              • MD5 SHA1 SHA512 SSDEEP

                                              the-real-index

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                              • Size 1KB
                                              • SHA256 937e3add10d493517355f2ac1aaecaad6a80ddf8060cd1c4a7e8f17860f7ecf2
                                              • MD5 SHA1 SHA512

                                              Network Persistent State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                              • Size 3KB
                                              • SHA256 127f939bf56a8fddcf8b63775311efdf24750c48f83ad98c91d3bbfd5196326b
                                              • MD5 SHA1 SHA512

                                              Network Persistent State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                              • Size 3KB
                                              • SHA256 e3105aa7d2667db2543d3164e31e6b9048b0d3cacc36c015845caac05a97dd10
                                              • MD5 SHA1 SHA512

                                              SCT Auditing Pending Reports

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                              • Size 2B
                                              • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 356B
                                              • SHA256 798e1790d27bc4d4535c9ffbe7dca99c5ef6c60a152781431b0392f9c8507957
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 858B
                                              • SHA256 3d07f10262bab8743da1c0e862edab840d1d9a0ef101de16b70df6e3628c4a82
                                              • MD5 SHA1 SHA512

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 7KB
                                              • SHA256 ca302483d13cf4cbb0bf9799e947fc28d23b1610928e190016fb47941735aee3
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 7KB
                                              • SHA256 664636c60de5182648d7b5bf911fce2fc0b9a730279345f106c6034c21eaf9f6
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Secure Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                              • Size 16KB
                                              • SHA256 9fc8260378a1eb0c789ef507a452f33ce09b9a26d19283187c6f1a1c41e5fc81
                                              • MD5 SHA1 SHA512 SSDEEP

                                              the-real-index

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                              • Size 96B
                                              • SHA256 2dceda7eba608f41f0d46d516f36bbceca3fb42586166c695a0e50b748d83b8b
                                              • MD5 SHA1 SHA512

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 261KB
                                              • SHA256 11eeb00be00b7afa762f3415c59edd51fcb04b08a83f4d3748c4f1f46fb01859
                                              • MD5 SHA1 SHA512 SSDEEP

                                              memory/1696-2-0x0000000077690000-0x00000000776A0000-memory.dmp

                                              memory/1696-10-0x0000000000020000-0x0000000000033000-memory.dmp

                                              memory/1696-9-0x0000000077542000-0x0000000077543000-memory.dmp

                                              memory/1696-7-0x00000000001F0000-0x00000000001F6000-memory.dmp

                                              memory/1696-4-0x00000000001E0000-0x00000000001E8000-memory.dmp

                                              memory/1696-3-0x0000000077542000-0x0000000077543000-memory.dmp

                                              memory/1696-1-0x0000000077690000-0x00000000776A0000-memory.dmp

                                              memory/1696-0-0x0000000077690000-0x00000000776A0000-memory.dmp

                                              memory/1696-62-0x0000000000400000-0x000000000084A000-memory.dmp

                                              memory/4268-15-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-19-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-21-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-22-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-23-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-25-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-24-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-20-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-13-0x000001C0B4110000-0x000001C0B4111000-memory.dmp

                                              memory/4268-14-0x000001C0B4110000-0x000001C0B4111000-memory.dmp