Resubmissions

04/05/2024, 02:39

240504-c5lynsec268

04/05/2024, 02:37

240504-c4at1seb777

04/05/2024, 02:33

240504-c1tsqaea987

Analysis

  • max time kernel
    60s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    04/05/2024, 02:33

General

  • Target
    Styx Client Latest.dll
  • Size 4.2MB
  • Sample240504-c1tsqaea98
  • SHA256 2d1307efa269e7f18f1818e672c028c76de3cb3c8ec3cd3c2bf9816bddf1a8de
  • MD5 SHA1 SHA512 SSDEEP
Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 44 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Styx Client Latest.dll",#1
    1⤵
      PID:2360
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1412
      • 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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef7089758,0x7fef7089768,0x7fef7089778
        2⤵
          PID:2396
        • 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=1156 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:2
          2⤵
            PID:2608
          • 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=1528 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:8
            2⤵
              PID:2808
            • 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=utility --mojo-platform-channel-handle=1620 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:8
              2⤵
                PID:2560
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2272 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:1
                2⤵
                  PID:1792
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2300 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:1
                  2⤵
                    PID:2000
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1484 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:2
                    2⤵
                      PID:2256
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2912 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:1
                      2⤵
                        PID:1104
                      • 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=3560 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:8
                        2⤵
                          PID:1088
                        • 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=3552 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:8
                          2⤵
                            PID:448
                          • 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=3688 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:8
                            2⤵
                              PID:2032
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=2776 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:1
                              2⤵
                                PID:2464
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=2372 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:1
                                2⤵
                                  PID:1676
                                • 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=2424 --field-trial-handle=1380,i,3534229472072812199,1077985941845434497,131072 /prefetch:8
                                  2⤵
                                    PID:2120
                                • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                  "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                  1⤵
                                    PID:2632
                                  • C:\Windows\explorer.exe
                                    "C:\Windows\explorer.exe"
                                    1⤵
                                      PID:896
                                    • C:\Program Files\VideoLAN\VLC\vlc.exe
                                      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Downloads\DenyClear.mp4"
                                      1⤵
                                      • Suspicious behavior: AddClipboardFormatListener
                                      • Suspicious behavior: GetForegroundWindowSpam
                                      • Suspicious use of FindShellTrayWindow
                                      • Suspicious use of SendNotifyMessage
                                      • Suspicious use of SetWindowsHookEx
                                      PID:2340
                                    • C:\Windows\system32\SndVol.exe
                                      SndVol.exe -f 46400677 17137
                                      1⤵
                                        PID:1520
                                      • C:\Windows\system32\taskmgr.exe
                                        "C:\Windows\system32\taskmgr.exe"
                                        1⤵
                                          PID:776

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              94308059B57B3142E455B38A6EB92015

                                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
                                              • Size 68KB
                                              • SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
                                              • MD5 SHA1 SHA512 SSDEEP

                                              000007.dbtmp

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extension State\000007.dbtmp
                                              • Size 16B
                                              • SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
                                              • MD5 SHA1 SHA512

                                              000006.dbtmp

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp
                                              • Size 16B
                                              • SHA256 4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611
                                              • MD5 SHA1 SHA512

                                              data_1

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
                                              • Size 264KB
                                              • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                              • MD5 SHA1 SHA512 SSDEEP

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 359B
                                              • SHA256 9cf713e6a4361a11366f2b9a45a7889d41b63c5ad6ce5b6923107fefb9731ff8
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 361B
                                              • SHA256 6954cc258d46632c1d34c78fa3951f1e72e2d0de1139128339ed267bff358c99
                                              • MD5 SHA1 SHA512

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 6KB
                                              • SHA256 4ebf748864eb25782fd23d26ff16b6c0b04cfcc628795d22f4f9bacc38bfff0a
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 5KB
                                              • SHA256 65b0c27f534a3fe74eedc96161a96cb2c22bf37470ae97c2d7eda537e5f65623
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 5KB
                                              • SHA256 7dd76a7f13439d8e27807f6dbe37a36253b1b4a166082eac0f7023ea5c33a333
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences~RFf77a728.TMP

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences~RFf77a728.TMP
                                              • Size 5KB
                                              • SHA256 dd7e6079549bf9e5e3fb9b84c8699e377011a66c008e7ea40bbd87ba565512ac
                                              • MD5 SHA1 SHA512 SSDEEP

                                              TarB4A6.tmp

                                              • Path C:\Users\Admin\AppData\Local\Temp\TarB4A6.tmp
                                              • Size 177KB
                                              • SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
                                              • MD5 SHA1 SHA512 SSDEEP

                                              vlc-qt-interface.ini

                                              • Path C:\Users\Admin\AppData\Roaming\vlc\vlc-qt-interface.ini
                                              • Size 76B
                                              • SHA256 f926bd34a364ee6e1a2a8f5dda96b16f07899981cd280d65734c104368bfe268
                                              • MD5 SHA1 SHA512

                                              memory/776-352-0x0000000140000000-0x00000001405E8000-memory.dmp

                                              memory/776-353-0x0000000140000000-0x00000001405E8000-memory.dmp

                                              memory/2340-121-0x000007FEF2720000-0x000007FEF2738000-memory.dmp

                                              memory/2340-113-0x000007FEF3DD0000-0x000007FEF3E0F000-memory.dmp

                                              memory/2340-131-0x000007FEF24C0000-0x000007FEF24D1000-memory.dmp

                                              memory/2340-130-0x000007FEF24E0000-0x000007FEF2503000-memory.dmp

                                              memory/2340-129-0x000007FEF2510000-0x000007FEF2527000-memory.dmp

                                              memory/2340-128-0x000007FEF2530000-0x000007FEF2554000-memory.dmp

                                              memory/2340-127-0x000007FEF2560000-0x000007FEF2588000-memory.dmp

                                              memory/2340-126-0x000007FEF2590000-0x000007FEF25E6000-memory.dmp

                                              memory/2340-125-0x000007FEF25F0000-0x000007FEF2601000-memory.dmp

                                              memory/2340-124-0x000007FEF2610000-0x000007FEF267F000-memory.dmp

                                              memory/2340-123-0x000007FEF2680000-0x000007FEF26E7000-memory.dmp

                                              memory/2340-112-0x000007FEF2760000-0x000007FEF2960000-memory.dmp

                                              memory/2340-120-0x000007FEF2740000-0x000007FEF2751000-memory.dmp

                                              memory/2340-119-0x000007FEF3D00000-0x000007FEF3D1B000-memory.dmp

                                              memory/2340-118-0x000007FEF3D20000-0x000007FEF3D31000-memory.dmp

                                              memory/2340-116-0x000007FEF3D60000-0x000007FEF3D71000-memory.dmp

                                              memory/2340-117-0x000007FEF3D40000-0x000007FEF3D51000-memory.dmp

                                              memory/2340-114-0x000007FEF3DA0000-0x000007FEF3DC1000-memory.dmp

                                              memory/2340-115-0x000007FEF3D80000-0x000007FEF3D98000-memory.dmp

                                              memory/2340-132-0x000007FEF24A0000-0x000007FEF24B2000-memory.dmp

                                              memory/2340-111-0x000007FEF2960000-0x000007FEF3A0B000-memory.dmp

                                              memory/2340-122-0x000007FEF26F0000-0x000007FEF2720000-memory.dmp

                                              memory/2340-148-0x000007FEF2960000-0x000007FEF3A0B000-memory.dmp

                                              memory/2340-103-0x000007FEF3A10000-0x000007FEF3CC4000-memory.dmp

                                              memory/2340-104-0x000007FEF4AB0000-0x000007FEF4AC8000-memory.dmp

                                              memory/2340-106-0x000007FEF3E90000-0x000007FEF3EA1000-memory.dmp

                                              memory/2340-107-0x000007FEF3E70000-0x000007FEF3E87000-memory.dmp

                                              memory/2340-108-0x000007FEF3E50000-0x000007FEF3E61000-memory.dmp

                                              memory/2340-109-0x000007FEF3E30000-0x000007FEF3E4D000-memory.dmp

                                              memory/2340-110-0x000007FEF3E10000-0x000007FEF3E21000-memory.dmp

                                              memory/2340-105-0x000007FEF4040000-0x000007FEF4057000-memory.dmp

                                              memory/2340-102-0x000007FEF3F40000-0x000007FEF3F74000-memory.dmp

                                              memory/2340-101-0x000000013F680000-0x000000013F778000-memory.dmp

                                              memory/2360-0-0x000007FEF5910000-0x000007FEF65C0000-memory.dmp

                                              memory/2360-1-0x000007FEF4C60000-0x000007FEF5910000-memory.dmp

                                              memory/2360-2-0x000007FEF5910000-0x000007FEF65C0000-memory.dmp

                                              memory/2360-3-0x000007FEF4C60000-0x000007FEF5910000-memory.dmp