Resubmissions

28-03-2024 13:35

240328-qvvdysfd4s 4

21-03-2024 15:21

240321-srcqvaed68 10

Analysis

  • max time kernel
    145s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    21-03-2024 15:21

General

  • Target

    TeraBox.exe

  • Size

    6.8MB

  • MD5

    cd2539c928a77b46c37a9b4da821fa97

  • SHA1

    a8445e7cd4fc1083f7aa464f5adf9374aefeaa5d

  • SHA256

    74eb8cb2e07ff1eee37441cddb6563bc298da45a738f4f32513da5a82a164bb5

  • SHA512

    82ad8f18409419d52bee433e51929a9d16375ebc12d2ac2d8d9b592783f813e531d052394d5fcdbd4bad6d04993653f8ac7840c6a3048ea30dc8ca7d54ee142f

  • SSDEEP

    98304:8zWVnRcmVlL/Evm5yvvF1wFCIxmKkVaekszxlWPl3JE/nP:6WVnR3KvLH8C49kVaeLdlWwn

Score
5/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TeraBox.exe
    "C:\Users\Admin\AppData\Local\Temp\TeraBox.exe"
    1⤵
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe
      "C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe" --type=gpu-process --field-trial-handle=2020,16086196503307623972,6089225894128794605,131072 --enable-features=CastMediaRouteProvider --no-sandbox --locales-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres\locales" --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres" --user-agent="Mozilla/5.0; (Windows NT 6.1; WOW64); AppleWebKit/537.36; (KHTML, like Gecko); Chrome/86.0.4240.198; Safari/537.36; terabox;1.30.0.2;PC;PC-Windows;6.1.7601;WindowsTeraBox" --lang=en-US --gpu-preferences=MAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAQAAAAAAAAAAAAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAA= --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --mojo-platform-channel-handle=2028 /prefetch:2
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2940
    • C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe
      "C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2020,16086196503307623972,6089225894128794605,131072 --enable-features=CastMediaRouteProvider --lang=en-US --service-sandbox-type=network --no-sandbox --locales-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres\locales" --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres" --user-agent="Mozilla/5.0; (Windows NT 6.1; WOW64); AppleWebKit/537.36; (KHTML, like Gecko); Chrome/86.0.4240.198; Safari/537.36; terabox;1.30.0.2;PC;PC-Windows;6.1.7601;WindowsTeraBox" --lang=en-US --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --mojo-platform-channel-handle=2816 /prefetch:8
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2512
    • C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe
      "C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe" --type=renderer --no-sandbox --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --field-trial-handle=2020,16086196503307623972,6089225894128794605,131072 --enable-features=CastMediaRouteProvider --lang=en-US --locales-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres\locales" --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres" --user-agent="Mozilla/5.0; (Windows NT 6.1; WOW64); AppleWebKit/537.36; (KHTML, like Gecko); Chrome/86.0.4240.198; Safari/537.36; terabox;1.30.0.2;PC;PC-Windows;6.1.7601;WindowsTeraBox" --disable-extensions --ppapi-flash-path="C:\Users\Admin\AppData\Local\Temp\pepflashplayer.dll" --ppapi-flash-version=20.0.0.306 --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3224 /prefetch:1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1944
    • C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe
      "C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe" --type=renderer --no-sandbox --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --field-trial-handle=2020,16086196503307623972,6089225894128794605,131072 --enable-features=CastMediaRouteProvider --lang=en-US --locales-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres\locales" --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres" --user-agent="Mozilla/5.0; (Windows NT 6.1; WOW64); AppleWebKit/537.36; (KHTML, like Gecko); Chrome/86.0.4240.198; Safari/537.36; terabox;1.30.0.2;PC;PC-Windows;6.1.7601;WindowsTeraBox" --disable-extensions --ppapi-flash-path="C:\Users\Admin\AppData\Local\Temp\pepflashplayer.dll" --ppapi-flash-version=20.0.0.306 --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=3 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3232 /prefetch:1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2208
    • C:\Users\Admin\AppData\Local\Temp\TeraBoxWebService.exe
      "C:\Users\Admin\AppData\Local\Temp\TeraBoxWebService.exe"
      2⤵
        PID:2420
      • C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe
        "C:\Users\Admin\AppData\Local\Temp\TeraBoxRender.exe" --type=gpu-process --field-trial-handle=2020,16086196503307623972,6089225894128794605,131072 --enable-features=CastMediaRouteProvider --no-sandbox --locales-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres\locales" --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\Temp\browserres" --user-agent="Mozilla/5.0; (Windows NT 6.1; WOW64); AppleWebKit/537.36; (KHTML, like Gecko); Chrome/86.0.4240.198; Safari/537.36; terabox;1.30.0.2;PC;PC-Windows;6.1.7601;WindowsTeraBox" --lang=en-US --gpu-preferences=MAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAQAAAAAAAAAAAAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAA= --use-gl=swiftshader-webgl --log-file="C:\Users\Admin\AppData\Local\Temp\debug.log" --mojo-platform-channel-handle=2080 /prefetch:2
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2920
      • C:\Users\Admin\AppData\Local\Temp\TeraBoxHost.exe
        -PluginId 1502 -PluginPath "C:\Users\Admin\AppData\Local\Temp\kernel.dll" -ChannelName terabox.1740.0.1546402848\152626362 -QuitEventName TERABOX_KERNEL_SDK_997C8EFA-C5ED-47A0-A6A8-D139CD6017F4 -TeraBoxId "" -IP "10.127.0.21" -PcGuid "TBIMXV2-O_3F891626CF2143C3962D2817E1EEC5C6-C_0-D_4d51303031302033202020202020202020202020-M_7E6516AB40BB-V_D00E3A2F" -Version "1.30.0.2" -DiskApiHttps 0 -StatisticHttps 0 -ReportCrash 1
        2⤵
          PID:2164
        • C:\Users\Admin\AppData\Local\Temp\TeraBoxHost.exe
          "C:\Users\Admin\AppData\Local\Temp\TeraBoxHost.exe" -PluginId 1502 -PluginPath "C:\Users\Admin\AppData\Local\Temp\kernel.dll" -ChannelName terabox.1740.0.1546402848\152626362 -QuitEventName TERABOX_KERNEL_SDK_997C8EFA-C5ED-47A0-A6A8-D139CD6017F4 -TeraBoxId "" -IP "10.127.0.21" -PcGuid "TBIMXV2-O_3F891626CF2143C3962D2817E1EEC5C6-C_0-D_4d51303031302033202020202020202020202020-M_7E6516AB40BB-V_D00E3A2F" -Version "1.30.0.2" -DiskApiHttps 0 -StatisticHttps 0 -ReportCrash 1
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2472
        • C:\Users\Admin\AppData\Local\Temp\AutoUpdate\AutoUpdate.exe
          "C:\Users\Admin\AppData\Local\Temp\AutoUpdate\AutoUpdate.exe" -client_info "C:\Users\Admin\AppData\Local\Temp\TeraBox_status" -update_cfg_url "aHR0cHM6Ly90ZXJhYm94LmNvbS9hdXRvdXBkYXRl" -srvwnd 201aa -unlogin
          2⤵
            PID:1720
          • C:\Users\Admin\AppData\Local\Temp\TeraBoxHost.exe
            "C:\Users\Admin\AppData\Local\Temp\TeraBoxHost.exe" -PluginId 1501 -PluginPath "C:\Users\Admin\AppData\Local\Temp\module\VastPlayer\VastPlayer.dll" -ChannelName terabox.1740.1.1966073818\642915368 -QuitEventName TERABOX_VIDEO_PLAY_SDK_997C8EFA-C5ED-47A0-A6A8-D139CD6017F4 -TeraBoxId "" -IP "10.127.0.21" -PcGuid "TBIMXV2-O_3F891626CF2143C3962D2817E1EEC5C6-C_0-D_4d51303031302033202020202020202020202020-M_7E6516AB40BB-V_D00E3A2F" -Version "1.30.0.2" -DiskApiHttps 0 -StatisticHttps 0 -ReportCrash 1
            2⤵
              PID:1368

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6525274CBC2077D43D7D17A33C868C4F

            Filesize

            959B

            MD5

            d5e98140c51869fc462c8975620faa78

            SHA1

            07e032e020b72c3f192f0628a2593a19a70f069e

            SHA256

            5c58468d55f58e497e743982d2b50010b6d165374acf83a7d4a32db768c4408e

            SHA512

            9bd164cc4b9ef07386762d3775c6d9528b82d4a9dc508c3040104b8d41cfec52eb0b7e6f8dc47c5021ce2fe3ca542c4ae2b54fd02d76b0eabd9724484621a105

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6525274CBC2077D43D7D17A33C868C4F

            Filesize

            192B

            MD5

            4ae0c3bef7501ad2ec637930b632c1bf

            SHA1

            990843a53b6021827c125e4c2b350d5f1c6dffe0

            SHA256

            7cfb2d0ba9408392fd7ba2d1ef59be621b1aa69b6f00dfd0d3438da0052b7853

            SHA512

            b84ff1b8dc6142e9528cb01b2bedeb191a466f751e093cf4360e3447e4e265a8c370a5b1b0fd33d97d4111db5f5e2b19ec8449ca8052dc8fcaa09b63d8c9971e

          • C:\Users\Admin\AppData\Local\Temp\AutoUpdate\Download\AutoUpdate.xml

            Filesize

            22KB

            MD5

            50e940a33557749e8967787951b0b1f3

            SHA1

            5569074d7d12835f7f4a04b93f1b91b3b3da3500

            SHA256

            4a0fe43edb114b8df1ea5088966f71c35091e89a96894738cc61dbe59fe63559

            SHA512

            4011d8a6619d9b9c002dbbea6cc70db7dc894760ad9938ecf63f32e717d49b9e4f983a411d31e2cb6a30aede455ebe60db74aa2f22497667793635b2b33f56b0

          • C:\Users\Admin\AppData\Local\Temp\CabB128.tmp

            Filesize

            67KB

            MD5

            753df6889fd7410a2e9fe333da83a429

            SHA1

            3c425f16e8267186061dd48ac1c77c122962456e

            SHA256

            b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

            SHA512

            9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

          • C:\Users\Admin\AppData\Local\Temp\TarBCCF.tmp

            Filesize

            175KB

            MD5

            dd73cead4b93366cf3465c8cd32e2796

            SHA1

            74546226dfe9ceb8184651e920d1dbfb432b314e

            SHA256

            a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

            SHA512

            ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

          • C:\Users\Admin\AppData\Local\Temp\TeraBox_status

            Filesize

            111B

            MD5

            cca7eba4e6bc4b0ac850af0e205e586c

            SHA1

            ef610ea4ec3ce6ba08c3da25b92571703b42949d

            SHA256

            5fe09b8333ac4425ea09ebb9022c664f55f928bddc8e0941005853cd8b91c927

            SHA512

            98d9a3bcf86902937de2c36006172ea74e7660b60e59527886be4372afc4b6ee6ce25042ee5be9c7a205d2b7ed60ceaa643ac201aec85fdd1e46c7795b4d60c0

          • memory/1368-1745-0x0000000000190000-0x0000000000230000-memory.dmp

            Filesize

            640KB

          • memory/1368-1728-0x0000000000110000-0x0000000000111000-memory.dmp

            Filesize

            4KB

          • memory/1368-1727-0x0000000000190000-0x0000000000230000-memory.dmp

            Filesize

            640KB

          • memory/1368-1726-0x0000000000190000-0x0000000000230000-memory.dmp

            Filesize

            640KB

          • memory/1720-1660-0x0000000000570000-0x0000000000571000-memory.dmp

            Filesize

            4KB

          • memory/1740-432-0x00000000049C0000-0x0000000004A00000-memory.dmp

            Filesize

            256KB

          • memory/1740-431-0x000000000A8F0000-0x000000000B0F0000-memory.dmp

            Filesize

            8.0MB

          • memory/1740-442-0x000000000A8F0000-0x000000000B0F0000-memory.dmp

            Filesize

            8.0MB

          • memory/1740-23-0x00000000031D0000-0x00000000031D1000-memory.dmp

            Filesize

            4KB

          • memory/1740-15-0x0000000002910000-0x0000000002911000-memory.dmp

            Filesize

            4KB

          • memory/1740-24-0x00000000049C0000-0x0000000004A00000-memory.dmp

            Filesize

            256KB

          • memory/1740-280-0x00000000031D0000-0x00000000031D1000-memory.dmp

            Filesize

            4KB

          • memory/1740-187-0x0000000002910000-0x0000000002911000-memory.dmp

            Filesize

            4KB

          • memory/1740-186-0x0000000000010000-0x00000000006F5000-memory.dmp

            Filesize

            6.9MB

          • memory/1740-12-0x0000000000010000-0x00000000006F5000-memory.dmp

            Filesize

            6.9MB

          • memory/2420-36-0x00000000000F0000-0x00000000000F1000-memory.dmp

            Filesize

            4KB

          • memory/2472-1279-0x00000000000D0000-0x00000000000D1000-memory.dmp

            Filesize

            4KB

          • memory/2472-1306-0x0000000000440000-0x0000000000441000-memory.dmp

            Filesize

            4KB

          • memory/2472-1284-0x00000000000D0000-0x00000000000D1000-memory.dmp

            Filesize

            4KB

          • memory/2472-1287-0x0000000000300000-0x0000000000301000-memory.dmp

            Filesize

            4KB

          • memory/2472-1289-0x0000000000300000-0x0000000000301000-memory.dmp

            Filesize

            4KB

          • memory/2472-1293-0x0000000000410000-0x0000000000411000-memory.dmp

            Filesize

            4KB

          • memory/2472-1295-0x0000000000410000-0x0000000000411000-memory.dmp

            Filesize

            4KB

          • memory/2472-1298-0x0000000000420000-0x0000000000421000-memory.dmp

            Filesize

            4KB

          • memory/2472-1300-0x0000000000420000-0x0000000000421000-memory.dmp

            Filesize

            4KB

          • memory/2472-1303-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2472-1305-0x0000000000430000-0x0000000000431000-memory.dmp

            Filesize

            4KB

          • memory/2472-1282-0x00000000000D0000-0x00000000000D1000-memory.dmp

            Filesize

            4KB

          • memory/2472-1308-0x0000000000440000-0x0000000000441000-memory.dmp

            Filesize

            4KB

          • memory/2472-1310-0x0000000000440000-0x0000000000441000-memory.dmp

            Filesize

            4KB

          • memory/2472-1312-0x00000000775E0000-0x00000000775E1000-memory.dmp

            Filesize

            4KB

          • memory/2472-1642-0x0000000000190000-0x0000000000230000-memory.dmp

            Filesize

            640KB

          • memory/2472-1280-0x0000000067F80000-0x00000000693AC000-memory.dmp

            Filesize

            20.2MB

          • memory/2472-1649-0x0000000067F80000-0x00000000693AC000-memory.dmp

            Filesize

            20.2MB

          • memory/2472-1270-0x00000000000C0000-0x00000000000C1000-memory.dmp

            Filesize

            4KB

          • memory/2472-1268-0x00000000000C0000-0x00000000000C1000-memory.dmp

            Filesize

            4KB

          • memory/2472-1257-0x00000000000C0000-0x00000000000C1000-memory.dmp

            Filesize

            4KB

          • memory/2472-1173-0x0000000000190000-0x0000000000230000-memory.dmp

            Filesize

            640KB

          • memory/2472-1180-0x0000000000190000-0x0000000000230000-memory.dmp

            Filesize

            640KB

          • memory/2472-1181-0x00000000000A0000-0x00000000000A1000-memory.dmp

            Filesize

            4KB