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Analysis
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max time kernel
154s -
max time network
168s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
09/02/2023, 05:00
Static task
static1
Behavioral task
behavioral1
Sample
8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe
Resource
win10-20220812-en
General
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Target
8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe
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Size
566KB
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MD5
0bcda69c341128970fd12ef70bf41296
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SHA1
2b3d34d7dbf0603305d07c4493bbecb774f03271
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SHA256
8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c
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SHA512
33bb9aa7beb821756cfde4174479c3b70f2af77dabb0b6ca6f28a34ed0bb6155363f8bd76f531bfe68e578ce318f48ee548bd5c4c4a7ccc396cccde9de1036e6
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SSDEEP
12288:IMr8y901muElPJyL2NkTFtLR6iIRGCRDu4R02xpA4H:kynulwkPR6USE2xdH
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" aZRl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" aZRl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" aZRl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" aZRl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" aZRl.exe -
Executes dropped EXE 7 IoCs
pid Process 4540 bZRg.exe 3336 aZRl.exe 4984 nika.exe 2704 xriv.exe 5064 mnolyk.exe 5012 mnolyk.exe 5100 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 4904 rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features aZRl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" aZRl.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" nika.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.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\\\"" 8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bZRg.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\\\"" bZRg.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 4424 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3336 aZRl.exe 3336 aZRl.exe 4984 nika.exe 4984 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3336 aZRl.exe Token: SeDebugPrivilege 4984 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 2576 wrote to memory of 4540 2576 8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe 66 PID 2576 wrote to memory of 4540 2576 8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe 66 PID 2576 wrote to memory of 4540 2576 8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe 66 PID 4540 wrote to memory of 3336 4540 bZRg.exe 67 PID 4540 wrote to memory of 3336 4540 bZRg.exe 67 PID 4540 wrote to memory of 3336 4540 bZRg.exe 67 PID 4540 wrote to memory of 4984 4540 bZRg.exe 68 PID 4540 wrote to memory of 4984 4540 bZRg.exe 68 PID 2576 wrote to memory of 2704 2576 8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe 69 PID 2576 wrote to memory of 2704 2576 8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe 69 PID 2576 wrote to memory of 2704 2576 8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe 69 PID 2704 wrote to memory of 5064 2704 xriv.exe 70 PID 2704 wrote to memory of 5064 2704 xriv.exe 70 PID 2704 wrote to memory of 5064 2704 xriv.exe 70 PID 5064 wrote to memory of 4424 5064 mnolyk.exe 71 PID 5064 wrote to memory of 4424 5064 mnolyk.exe 71 PID 5064 wrote to memory of 4424 5064 mnolyk.exe 71 PID 5064 wrote to memory of 796 5064 mnolyk.exe 72 PID 5064 wrote to memory of 796 5064 mnolyk.exe 72 PID 5064 wrote to memory of 796 5064 mnolyk.exe 72 PID 796 wrote to memory of 2240 796 cmd.exe 75 PID 796 wrote to memory of 2240 796 cmd.exe 75 PID 796 wrote to memory of 2240 796 cmd.exe 75 PID 796 wrote to memory of 2212 796 cmd.exe 76 PID 796 wrote to memory of 2212 796 cmd.exe 76 PID 796 wrote to memory of 2212 796 cmd.exe 76 PID 796 wrote to memory of 3824 796 cmd.exe 77 PID 796 wrote to memory of 3824 796 cmd.exe 77 PID 796 wrote to memory of 3824 796 cmd.exe 77 PID 796 wrote to memory of 3756 796 cmd.exe 78 PID 796 wrote to memory of 3756 796 cmd.exe 78 PID 796 wrote to memory of 3756 796 cmd.exe 78 PID 796 wrote to memory of 2580 796 cmd.exe 79 PID 796 wrote to memory of 2580 796 cmd.exe 79 PID 796 wrote to memory of 2580 796 cmd.exe 79 PID 796 wrote to memory of 2808 796 cmd.exe 80 PID 796 wrote to memory of 2808 796 cmd.exe 80 PID 796 wrote to memory of 2808 796 cmd.exe 80 PID 5064 wrote to memory of 4904 5064 mnolyk.exe 82 PID 5064 wrote to memory of 4904 5064 mnolyk.exe 82 PID 5064 wrote to memory of 4904 5064 mnolyk.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe"C:\Users\Admin\AppData\Local\Temp\8ddb2c0c5f08724bb9e9c60a996429484c7851ebb35d66ccc0ce2c331b568f7c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bZRg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bZRg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aZRl.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aZRl.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3336
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nika.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nika.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4984
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xriv.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xriv.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe"C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5064 -
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\4b9a106e76\mnolyk.exe" /F4⤵
- Creates scheduled task(s)
PID:4424
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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 "..\4b9a106e76" /P "Admin:N"&&CACLS "..\4b9a106e76" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
PID:796 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2240
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:2212
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:3824
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3756
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:2580
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:2808
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main4⤵
- Loads dropped DLL
PID:4904
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C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe1⤵
- Executes dropped EXE
PID:5012
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C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exeC:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe1⤵
- Executes dropped EXE
PID:5100
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
379KB
MD5a36d4622aefdbb70f43dfe6b0bb480b4
SHA1eb490463660ee53e143f307d132de0d8573616cc
SHA2562aa623021fc267053c27448ce7da43622d491c072c12dbdc1bf6840cb1a6f419
SHA5121beed1fb92cf166146f08ae54db088d3e2c182bfa3e6f1f0bd2a14456e6c584c295a40bb4ab6c3bfc862b69a35eaed40ce0079ab84bbc0d39e7f7b85310f6597
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Filesize
379KB
MD5a36d4622aefdbb70f43dfe6b0bb480b4
SHA1eb490463660ee53e143f307d132de0d8573616cc
SHA2562aa623021fc267053c27448ce7da43622d491c072c12dbdc1bf6840cb1a6f419
SHA5121beed1fb92cf166146f08ae54db088d3e2c182bfa3e6f1f0bd2a14456e6c584c295a40bb4ab6c3bfc862b69a35eaed40ce0079ab84bbc0d39e7f7b85310f6597
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
236KB
MD58bb923c4d81284daef7896e5682df6c6
SHA167e34a96b77e44b666c5479f540995bdeacf5de2
SHA2569b0410052289a8416a458401fbb9a74d6361f4769465431b209f32151d7c6f21
SHA5122daed03277a343db5fcb22e26baea5cda41de39dc825fe0aad51f6ec181b8f38f09427f27fb58ffd179f37032600d107ef772cc6275f7d0d62899c6cd3f8aff7
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Filesize
364KB
MD523940f577149df066b3a3c92e917f329
SHA19870b89bbba6078e93dc602182fa42f041c4cbbe
SHA256acc14419d3c8bcf5c7e494606681502d8c972c4513d95bdf6fffa3424505fb5e
SHA512a6cabad0cce4a0203a9d68eea21e688d07710e2def0d67862e4045eacd78791da737e49e8ef3c0866b428bb691b22674c532f3d7afcd93592b563e0633be5773
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Filesize
364KB
MD523940f577149df066b3a3c92e917f329
SHA19870b89bbba6078e93dc602182fa42f041c4cbbe
SHA256acc14419d3c8bcf5c7e494606681502d8c972c4513d95bdf6fffa3424505fb5e
SHA512a6cabad0cce4a0203a9d68eea21e688d07710e2def0d67862e4045eacd78791da737e49e8ef3c0866b428bb691b22674c532f3d7afcd93592b563e0633be5773
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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
MD5c79b74d8fec5e7e2ba2f1789fd582a15
SHA178a1e5d99dbaccc5e07b125e1dfb280112cb3128
SHA256b5bd049d32f0faeea6ce65a0f0d326de5bc4427a7c1ad24bfb0ea050c1dec7d3
SHA5120debfc54904fd538cfb1fc648d18f90a991337200b3decf74b28ac2f341843fb3bab4f45bc92cfec333b18dfff9cc136854462e79054a39926a7bd8ee2e057ba
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Filesize
89KB
MD5c79b74d8fec5e7e2ba2f1789fd582a15
SHA178a1e5d99dbaccc5e07b125e1dfb280112cb3128
SHA256b5bd049d32f0faeea6ce65a0f0d326de5bc4427a7c1ad24bfb0ea050c1dec7d3
SHA5120debfc54904fd538cfb1fc648d18f90a991337200b3decf74b28ac2f341843fb3bab4f45bc92cfec333b18dfff9cc136854462e79054a39926a7bd8ee2e057ba