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Analysis
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max time kernel
102s -
max time network
88s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
07/02/2023, 20:36
Static task
static1
Behavioral task
behavioral1
Sample
76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe
Resource
win10-20220812-en
General
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Target
76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe
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Size
525KB
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MD5
036fad06c42c99c14e300f6ae32c3b51
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SHA1
c7ab9196a16a02a34319dc1b6f56d0e1f84a3243
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SHA256
76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee
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SHA512
4ede8c31b970beaab5e49a102f6f486803f17ecc58aae467e81cd916aeefa6eff34abccb091e47c6c971be62d43a56eff786f28f5445afa61d9244aaa00eea89
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SSDEEP
12288:vMrLy90nKQVefOVcLEYz0f1Q7nF1dCabpL7:UyAzVLSJP7FppL7
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\DisableIOAVProtection = "1" aRqx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" aRqx.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\DisableBehaviorMonitoring = "1" aRqx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" aRqx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" aRqx.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" 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\DisableScanOnRealtimeEnable = "1" mika.exe -
Executes dropped EXE 7 IoCs
pid Process 4856 cRqn.exe 2984 aRqx.exe 4304 mika.exe 2524 vona.exe 4732 mnolyk.exe 4412 mnolyk.exe 4856 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 3484 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" mika.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features aRqx.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" aRqx.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_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce cRqn.exe 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\\\"" cRqn.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.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 1000 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2984 aRqx.exe 2984 aRqx.exe 4304 mika.exe 4304 mika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2984 aRqx.exe Token: SeDebugPrivilege 4304 mika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 4792 wrote to memory of 4856 4792 76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe 66 PID 4792 wrote to memory of 4856 4792 76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe 66 PID 4792 wrote to memory of 4856 4792 76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe 66 PID 4856 wrote to memory of 2984 4856 cRqn.exe 67 PID 4856 wrote to memory of 2984 4856 cRqn.exe 67 PID 4856 wrote to memory of 2984 4856 cRqn.exe 67 PID 4856 wrote to memory of 4304 4856 cRqn.exe 68 PID 4856 wrote to memory of 4304 4856 cRqn.exe 68 PID 4792 wrote to memory of 2524 4792 76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe 69 PID 4792 wrote to memory of 2524 4792 76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe 69 PID 4792 wrote to memory of 2524 4792 76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe 69 PID 2524 wrote to memory of 4732 2524 vona.exe 70 PID 2524 wrote to memory of 4732 2524 vona.exe 70 PID 2524 wrote to memory of 4732 2524 vona.exe 70 PID 4732 wrote to memory of 1000 4732 mnolyk.exe 71 PID 4732 wrote to memory of 1000 4732 mnolyk.exe 71 PID 4732 wrote to memory of 1000 4732 mnolyk.exe 71 PID 4732 wrote to memory of 904 4732 mnolyk.exe 72 PID 4732 wrote to memory of 904 4732 mnolyk.exe 72 PID 4732 wrote to memory of 904 4732 mnolyk.exe 72 PID 904 wrote to memory of 2520 904 cmd.exe 75 PID 904 wrote to memory of 2520 904 cmd.exe 75 PID 904 wrote to memory of 2520 904 cmd.exe 75 PID 904 wrote to memory of 2236 904 cmd.exe 76 PID 904 wrote to memory of 2236 904 cmd.exe 76 PID 904 wrote to memory of 2236 904 cmd.exe 76 PID 904 wrote to memory of 4812 904 cmd.exe 77 PID 904 wrote to memory of 4812 904 cmd.exe 77 PID 904 wrote to memory of 4812 904 cmd.exe 77 PID 904 wrote to memory of 2080 904 cmd.exe 78 PID 904 wrote to memory of 2080 904 cmd.exe 78 PID 904 wrote to memory of 2080 904 cmd.exe 78 PID 904 wrote to memory of 4840 904 cmd.exe 79 PID 904 wrote to memory of 4840 904 cmd.exe 79 PID 904 wrote to memory of 4840 904 cmd.exe 79 PID 904 wrote to memory of 1120 904 cmd.exe 80 PID 904 wrote to memory of 1120 904 cmd.exe 80 PID 904 wrote to memory of 1120 904 cmd.exe 80 PID 4732 wrote to memory of 3484 4732 mnolyk.exe 82 PID 4732 wrote to memory of 3484 4732 mnolyk.exe 82 PID 4732 wrote to memory of 3484 4732 mnolyk.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe"C:\Users\Admin\AppData\Local\Temp\76fb63b6ca9ff8974b8a2ff34e9fddd0d3a588b78c93b7598322dd10d75929ee.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cRqn.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cRqn.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aRqx.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aRqx.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2984
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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:4304
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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:2524 -
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:4732 -
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:1000
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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:904 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2520
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:2236
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:4812
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2080
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5eb6b96734" /P "Admin:N"5⤵PID:4840
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5eb6b96734" /P "Admin:R" /E5⤵PID:1120
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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:3484
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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:4412
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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:4856
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
338KB
MD570bf69f3e16027dc88befd676c426907
SHA1647ccbe6d426b82fdd10cf30478a52f707eb6636
SHA256fd8d4478b07f09b0209744ee0e11a7c42d4e64bd32bbd8d5cbccd64d160bf8af
SHA51243e871b5c560e6ff74ae834cfaff155d295a5b401f674157c69c188303e89557a9f4eed3e913ca349e531d81dc6c4745e20cdaab096f1bccfd444026c0900db2
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Filesize
338KB
MD570bf69f3e16027dc88befd676c426907
SHA1647ccbe6d426b82fdd10cf30478a52f707eb6636
SHA256fd8d4478b07f09b0209744ee0e11a7c42d4e64bd32bbd8d5cbccd64d160bf8af
SHA51243e871b5c560e6ff74ae834cfaff155d295a5b401f674157c69c188303e89557a9f4eed3e913ca349e531d81dc6c4745e20cdaab096f1bccfd444026c0900db2
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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
245KB
MD5963e9f6af640607fdbe7bd3af51218a6
SHA1d7b2029a2152a8878dca572be94799bc49e8a7a0
SHA2568949c2640d32438d6b40a0705ac91399245509c7b18512afbadfe7b2d79804c3
SHA512f9b6583f38715bc59abe43faa634735ae6de7aa1756741b863e1caf82980d2e9056939f4bc0838af1c5628bdcc32ff5fd4554605acf1e90c628cfc73cd18bd64
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Filesize
245KB
MD5963e9f6af640607fdbe7bd3af51218a6
SHA1d7b2029a2152a8878dca572be94799bc49e8a7a0
SHA2568949c2640d32438d6b40a0705ac91399245509c7b18512afbadfe7b2d79804c3
SHA512f9b6583f38715bc59abe43faa634735ae6de7aa1756741b863e1caf82980d2e9056939f4bc0838af1c5628bdcc32ff5fd4554605acf1e90c628cfc73cd18bd64
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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