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Analysis
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max time kernel
114s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08/02/2023, 09:47
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
566KB
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MD5
676bda5e541c413de85eea651c3445e6
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SHA1
6acc0023022b7de99af6d590b1c2b101cfbf2951
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SHA256
e357d9f890dc004b7b1de06a5164d75839392e92ef85436db7a0e46cb4929fc1
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SHA512
2ac2f81624337ed2891e4045e807f2d67d37e15fd26ebeb176838e5e1e08ba63384c4f2756c67ce456e22e5c7921ad74bb088752564f7cea79ab2acc3a29a24b
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SSDEEP
12288:QMrCy90hVOjt2hPZINYtdBleck9eHQzcK+l7B0w5x/:Cy72hPZINYrS39ommmwX
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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" aKcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" aKcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" aKcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" aKcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" aKcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" nika.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection aKcf.exe 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\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\DisableRealtimeMonitoring = "1" nika.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection nika.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation xriv.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation mnolyk.exe -
Executes dropped EXE 7 IoCs
pid Process 4916 bKcg.exe 4568 aKcf.exe 3844 nika.exe 3360 xriv.exe 4028 mnolyk.exe 1100 mnolyk.exe 4068 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 3896 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" nika.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features aKcf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" aKcf.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce file.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\\\"" file.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bKcg.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\\\"" bKcg.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 3756 4568 WerFault.exe 81 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4524 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4568 aKcf.exe 4568 aKcf.exe 3844 nika.exe 3844 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4568 aKcf.exe Token: SeDebugPrivilege 3844 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 4984 wrote to memory of 4916 4984 file.exe 80 PID 4984 wrote to memory of 4916 4984 file.exe 80 PID 4984 wrote to memory of 4916 4984 file.exe 80 PID 4916 wrote to memory of 4568 4916 bKcg.exe 81 PID 4916 wrote to memory of 4568 4916 bKcg.exe 81 PID 4916 wrote to memory of 4568 4916 bKcg.exe 81 PID 4916 wrote to memory of 3844 4916 bKcg.exe 91 PID 4916 wrote to memory of 3844 4916 bKcg.exe 91 PID 4984 wrote to memory of 3360 4984 file.exe 93 PID 4984 wrote to memory of 3360 4984 file.exe 93 PID 4984 wrote to memory of 3360 4984 file.exe 93 PID 3360 wrote to memory of 4028 3360 xriv.exe 94 PID 3360 wrote to memory of 4028 3360 xriv.exe 94 PID 3360 wrote to memory of 4028 3360 xriv.exe 94 PID 4028 wrote to memory of 4524 4028 mnolyk.exe 95 PID 4028 wrote to memory of 4524 4028 mnolyk.exe 95 PID 4028 wrote to memory of 4524 4028 mnolyk.exe 95 PID 4028 wrote to memory of 1008 4028 mnolyk.exe 97 PID 4028 wrote to memory of 1008 4028 mnolyk.exe 97 PID 4028 wrote to memory of 1008 4028 mnolyk.exe 97 PID 1008 wrote to memory of 3720 1008 cmd.exe 99 PID 1008 wrote to memory of 3720 1008 cmd.exe 99 PID 1008 wrote to memory of 3720 1008 cmd.exe 99 PID 1008 wrote to memory of 4452 1008 cmd.exe 100 PID 1008 wrote to memory of 4452 1008 cmd.exe 100 PID 1008 wrote to memory of 4452 1008 cmd.exe 100 PID 1008 wrote to memory of 4288 1008 cmd.exe 101 PID 1008 wrote to memory of 4288 1008 cmd.exe 101 PID 1008 wrote to memory of 4288 1008 cmd.exe 101 PID 1008 wrote to memory of 3160 1008 cmd.exe 102 PID 1008 wrote to memory of 3160 1008 cmd.exe 102 PID 1008 wrote to memory of 3160 1008 cmd.exe 102 PID 1008 wrote to memory of 4328 1008 cmd.exe 103 PID 1008 wrote to memory of 4328 1008 cmd.exe 103 PID 1008 wrote to memory of 4328 1008 cmd.exe 103 PID 1008 wrote to memory of 4928 1008 cmd.exe 104 PID 1008 wrote to memory of 4928 1008 cmd.exe 104 PID 1008 wrote to memory of 4928 1008 cmd.exe 104 PID 4028 wrote to memory of 3896 4028 mnolyk.exe 107 PID 4028 wrote to memory of 3896 4028 mnolyk.exe 107 PID 4028 wrote to memory of 3896 4028 mnolyk.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bKcg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bKcg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aKcf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aKcf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4568 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 10924⤵
- Program crash
PID:3756
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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:3844
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xriv.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xriv.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3360 -
C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe"C:\Users\Admin\AppData\Local\Temp\4b9a106e76\mnolyk.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4028 -
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:4524
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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:1008 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3720
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:4452
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:4288
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3160
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:4328
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:4928
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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:3896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4568 -ip 45681⤵PID:2396
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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:1100
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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:4068
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
378KB
MD5b3d28ce575e6d3082663ebdad76ae8ed
SHA1678725e44ca16437e1dc17f8d3bf6e043d67cf1c
SHA2563b7f64abc6645e7fe4501071298371bb4a464799b52a6f3e76b46780333e912b
SHA51271af7bcb2e6da78e38acd108b008a66b5c7b3fa22904089edee3c9624ace2b8f0606ac0cfcba24827c6c45ca4cd9db78ef32e1c9d05042a1cffdd244cef008a2
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Filesize
378KB
MD5b3d28ce575e6d3082663ebdad76ae8ed
SHA1678725e44ca16437e1dc17f8d3bf6e043d67cf1c
SHA2563b7f64abc6645e7fe4501071298371bb4a464799b52a6f3e76b46780333e912b
SHA51271af7bcb2e6da78e38acd108b008a66b5c7b3fa22904089edee3c9624ace2b8f0606ac0cfcba24827c6c45ca4cd9db78ef32e1c9d05042a1cffdd244cef008a2
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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
355KB
MD5d4078c7d47ef50b4cd146b8d2d14a76f
SHA17da8b83e43862afe0b3868712ccff55bdfdc7ffa
SHA2565610c625c51d537b87829471aa82ccf54b1972b41f6768444506c74495deb071
SHA5127239458e94e29f3c2fd32c5a8c00fbc472ede40d5a8836a4025aba196cfd44d5e8a4929abdea6bc92975fe2f583ffe16571bd3a330a32b4171d98a285744f7f0
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Filesize
355KB
MD5d4078c7d47ef50b4cd146b8d2d14a76f
SHA17da8b83e43862afe0b3868712ccff55bdfdc7ffa
SHA2565610c625c51d537b87829471aa82ccf54b1972b41f6768444506c74495deb071
SHA5127239458e94e29f3c2fd32c5a8c00fbc472ede40d5a8836a4025aba196cfd44d5e8a4929abdea6bc92975fe2f583ffe16571bd3a330a32b4171d98a285744f7f0
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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