Analysis
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max time kernel
129s -
max time network
150s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
06/02/2023, 16:17
Static task
static1
Behavioral task
behavioral1
Sample
5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe
Resource
win10-20220812-en
General
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Target
5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe
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Size
574KB
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MD5
0bf0d8aaf8c80dd0fa5d323b35eff77b
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SHA1
79db05284d0b809925ff85cf711e3633a7ab19bd
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SHA256
5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242
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SHA512
9d28893a7ab4b8fb46c7f04337710fcca348594b05d549a58d04d277efc587ad7124a6a0945c00981bb6084f1aef6318b715448c863dfe64583513f0dc529cb2
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SSDEEP
12288:iMrpy90VeUdtJSl1jeZhk5VJKJWK6eAUOH7bTftmTj/j:ryceykSZOF8A3HbftmTbj
Malware Config
Extracted
amadey
3.66
62.204.41.5/Bu58Ngs/index.php
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" avkx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" avkx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" avkx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" avkx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" mika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" avkx.exe -
Executes dropped EXE 7 IoCs
pid Process 1908 cvkn.exe 2176 avkx.exe 4128 mika.exe 2468 vona.exe 4976 mnolyk.exe 4916 mnolyk.exe 3516 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 3488 rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features avkx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" avkx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" mika.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" cvkn.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce cvkn.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 920 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2176 avkx.exe 2176 avkx.exe 4128 mika.exe 4128 mika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2176 avkx.exe Token: SeDebugPrivilege 4128 mika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 3764 wrote to memory of 1908 3764 5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe 66 PID 3764 wrote to memory of 1908 3764 5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe 66 PID 3764 wrote to memory of 1908 3764 5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe 66 PID 1908 wrote to memory of 2176 1908 cvkn.exe 67 PID 1908 wrote to memory of 2176 1908 cvkn.exe 67 PID 1908 wrote to memory of 2176 1908 cvkn.exe 67 PID 1908 wrote to memory of 4128 1908 cvkn.exe 68 PID 1908 wrote to memory of 4128 1908 cvkn.exe 68 PID 3764 wrote to memory of 2468 3764 5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe 69 PID 3764 wrote to memory of 2468 3764 5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe 69 PID 3764 wrote to memory of 2468 3764 5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe 69 PID 2468 wrote to memory of 4976 2468 vona.exe 70 PID 2468 wrote to memory of 4976 2468 vona.exe 70 PID 2468 wrote to memory of 4976 2468 vona.exe 70 PID 4976 wrote to memory of 920 4976 mnolyk.exe 71 PID 4976 wrote to memory of 920 4976 mnolyk.exe 71 PID 4976 wrote to memory of 920 4976 mnolyk.exe 71 PID 4976 wrote to memory of 496 4976 mnolyk.exe 72 PID 4976 wrote to memory of 496 4976 mnolyk.exe 72 PID 4976 wrote to memory of 496 4976 mnolyk.exe 72 PID 496 wrote to memory of 4692 496 cmd.exe 75 PID 496 wrote to memory of 4692 496 cmd.exe 75 PID 496 wrote to memory of 4692 496 cmd.exe 75 PID 496 wrote to memory of 2192 496 cmd.exe 76 PID 496 wrote to memory of 2192 496 cmd.exe 76 PID 496 wrote to memory of 2192 496 cmd.exe 76 PID 496 wrote to memory of 68 496 cmd.exe 77 PID 496 wrote to memory of 68 496 cmd.exe 77 PID 496 wrote to memory of 68 496 cmd.exe 77 PID 496 wrote to memory of 4584 496 cmd.exe 78 PID 496 wrote to memory of 4584 496 cmd.exe 78 PID 496 wrote to memory of 4584 496 cmd.exe 78 PID 496 wrote to memory of 4588 496 cmd.exe 79 PID 496 wrote to memory of 4588 496 cmd.exe 79 PID 496 wrote to memory of 4588 496 cmd.exe 79 PID 496 wrote to memory of 5108 496 cmd.exe 80 PID 496 wrote to memory of 5108 496 cmd.exe 80 PID 496 wrote to memory of 5108 496 cmd.exe 80 PID 4976 wrote to memory of 3488 4976 mnolyk.exe 82 PID 4976 wrote to memory of 3488 4976 mnolyk.exe 82 PID 4976 wrote to memory of 3488 4976 mnolyk.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe"C:\Users\Admin\AppData\Local\Temp\5158b62c2412128e2ff61e50d4657b7adf62b262454b1a19dce22be6ad85b242.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cvkn.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cvkn.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\avkx.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\avkx.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2176
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mika.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\mika.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4128
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vona.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vona.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe"C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN mnolyk.exe /TR "C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe" /F4⤵
- Creates scheduled task(s)
PID:920
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "mnolyk.exe" /P "Admin:N"&&CACLS "mnolyk.exe" /P "Admin:R" /E&&echo Y|CACLS "..\5eb6b96734" /P "Admin:N"&&CACLS "..\5eb6b96734" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
PID:496 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:4692
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:2192
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:68
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:4584
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5eb6b96734" /P "Admin:N"5⤵PID:4588
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5eb6b96734" /P "Admin:R" /E5⤵PID:5108
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main4⤵
- Loads dropped DLL
PID:3488
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C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe1⤵
- Executes dropped EXE
PID:4916
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C:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\5eb6b96734\mnolyk.exe1⤵
- Executes dropped EXE
PID:3516
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
387KB
MD5d7a1c8239b27733c38787209e66a33be
SHA16b13781ea64b380dc14bcb6c3a322df3d5264fbb
SHA2563a781eee08121aa42cc0b0d2099dc429e270e9557b754eaefb15c9e45ae07b04
SHA512c3774edf7f33f61a8b4d2a6d591712cbfe59c595a97ddc5867fc8d88aecb1fd367497ba0513502deba332743a9f0651ae07f31398957ef91450532f1a3011495
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Filesize
387KB
MD5d7a1c8239b27733c38787209e66a33be
SHA16b13781ea64b380dc14bcb6c3a322df3d5264fbb
SHA2563a781eee08121aa42cc0b0d2099dc429e270e9557b754eaefb15c9e45ae07b04
SHA512c3774edf7f33f61a8b4d2a6d591712cbfe59c595a97ddc5867fc8d88aecb1fd367497ba0513502deba332743a9f0651ae07f31398957ef91450532f1a3011495
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
236KB
MD5fde8915d251fada3a37530421eb29dcf
SHA144386a8947ddfab993409945dae05a772a13e047
SHA2566cbcf0bb90ae767a8c554cdfa90723e6b1127e98cfa19a2259dd57813d27e116
SHA512ffc253ad4308c7a34ec5ced45cc5eda21a43a9fa59927a323829e2e87a0060c93a051c726f2f6f65ffdb8ac9666f88bf2622c975a24a6718c99ac9a44c6fd7fd
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Filesize
362KB
MD506cd36b877f459b5baa0861208528840
SHA15c795caabd2048789a396726983278fd62fdc5d1
SHA25694d4519180435f776f80cdfe95a41c174ed5d13f1689c555d5cb924f332dcf15
SHA512f6586b7224c0ec94bc38bdada26004030febababe51e8262418c0483abeda8df85acbfdeae6dff4ea983da258cbf37c943f3674d793efe28f1fe030b3c5a1225
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Filesize
362KB
MD506cd36b877f459b5baa0861208528840
SHA15c795caabd2048789a396726983278fd62fdc5d1
SHA25694d4519180435f776f80cdfe95a41c174ed5d13f1689c555d5cb924f332dcf15
SHA512f6586b7224c0ec94bc38bdada26004030febababe51e8262418c0483abeda8df85acbfdeae6dff4ea983da258cbf37c943f3674d793efe28f1fe030b3c5a1225
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
89KB
MD59221a421a3e777eb7d4ce55e474bcc4a
SHA1c96d7bd7ccbf9352d50527bff472595b3dc5298e
SHA25610ee53988bcfbb4bb9c8928ea96c4268bd64b9dfd1f28c6233185e695434d2f8
SHA51263ac172cb19c7c020676937cb35e853710d08e99e06e8cdcb410c37e0c9056af409a50fdec0c90a3c532edcf5e0f128fa1e2181063e1208d4fc4643b1b5736f3
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Filesize
89KB
MD59221a421a3e777eb7d4ce55e474bcc4a
SHA1c96d7bd7ccbf9352d50527bff472595b3dc5298e
SHA25610ee53988bcfbb4bb9c8928ea96c4268bd64b9dfd1f28c6233185e695434d2f8
SHA51263ac172cb19c7c020676937cb35e853710d08e99e06e8cdcb410c37e0c9056af409a50fdec0c90a3c532edcf5e0f128fa1e2181063e1208d4fc4643b1b5736f3