Analysis
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max time kernel
94s -
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 15:38
Static task
static1
Behavioral task
behavioral1
Sample
bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe
Resource
win10-20220812-en
General
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Target
bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe
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Size
578KB
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MD5
85a49da67957beafebba9d9e8f2f5824
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SHA1
73d119e46454ce005079ecb7171c06a0a46e7a8c
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SHA256
bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab
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SHA512
649d7b29f4b2e864f924c6280d1da5ff5b465c84b2181047ae6fef1587f7bd149f3027339aa677079e891c6ed4921017dd578372e4e87157cdcfad273546ebd3
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SSDEEP
12288:MMrty90ph5KclOu6/jDznK4uFVkqGUvviEMm5UCqfj:Jy2hEclST8fGyRhI
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\DisableIOAVProtection = "1" aigf.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\DisableRealtimeMonitoring = "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" aigf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" aigf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" aigf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" aigf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" nika.exe -
Executes dropped EXE 6 IoCs
pid Process 5068 bigg.exe 4612 aigf.exe 3712 nika.exe 1852 xriv.exe 3336 mnolyk.exe 1276 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 3908 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 aigf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" aigf.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bigg.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\\\"" bigg.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.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\\\"" bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.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 4860 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4612 aigf.exe 4612 aigf.exe 3712 nika.exe 3712 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4612 aigf.exe Token: SeDebugPrivilege 3712 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 2456 wrote to memory of 5068 2456 bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe 66 PID 2456 wrote to memory of 5068 2456 bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe 66 PID 2456 wrote to memory of 5068 2456 bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe 66 PID 5068 wrote to memory of 4612 5068 bigg.exe 67 PID 5068 wrote to memory of 4612 5068 bigg.exe 67 PID 5068 wrote to memory of 4612 5068 bigg.exe 67 PID 5068 wrote to memory of 3712 5068 bigg.exe 68 PID 5068 wrote to memory of 3712 5068 bigg.exe 68 PID 2456 wrote to memory of 1852 2456 bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe 69 PID 2456 wrote to memory of 1852 2456 bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe 69 PID 2456 wrote to memory of 1852 2456 bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe 69 PID 1852 wrote to memory of 3336 1852 xriv.exe 70 PID 1852 wrote to memory of 3336 1852 xriv.exe 70 PID 1852 wrote to memory of 3336 1852 xriv.exe 70 PID 3336 wrote to memory of 4860 3336 mnolyk.exe 71 PID 3336 wrote to memory of 4860 3336 mnolyk.exe 71 PID 3336 wrote to memory of 4860 3336 mnolyk.exe 71 PID 3336 wrote to memory of 4776 3336 mnolyk.exe 72 PID 3336 wrote to memory of 4776 3336 mnolyk.exe 72 PID 3336 wrote to memory of 4776 3336 mnolyk.exe 72 PID 4776 wrote to memory of 764 4776 cmd.exe 75 PID 4776 wrote to memory of 764 4776 cmd.exe 75 PID 4776 wrote to memory of 764 4776 cmd.exe 75 PID 4776 wrote to memory of 3264 4776 cmd.exe 76 PID 4776 wrote to memory of 3264 4776 cmd.exe 76 PID 4776 wrote to memory of 3264 4776 cmd.exe 76 PID 4776 wrote to memory of 1252 4776 cmd.exe 77 PID 4776 wrote to memory of 1252 4776 cmd.exe 77 PID 4776 wrote to memory of 1252 4776 cmd.exe 77 PID 4776 wrote to memory of 3940 4776 cmd.exe 78 PID 4776 wrote to memory of 3940 4776 cmd.exe 78 PID 4776 wrote to memory of 3940 4776 cmd.exe 78 PID 4776 wrote to memory of 2504 4776 cmd.exe 79 PID 4776 wrote to memory of 2504 4776 cmd.exe 79 PID 4776 wrote to memory of 2504 4776 cmd.exe 79 PID 4776 wrote to memory of 2204 4776 cmd.exe 80 PID 4776 wrote to memory of 2204 4776 cmd.exe 80 PID 4776 wrote to memory of 2204 4776 cmd.exe 80 PID 3336 wrote to memory of 3908 3336 mnolyk.exe 81 PID 3336 wrote to memory of 3908 3336 mnolyk.exe 81 PID 3336 wrote to memory of 3908 3336 mnolyk.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe"C:\Users\Admin\AppData\Local\Temp\bc7384ed49a6141b5153083503309c4ef8a10f947fe9f5632e577b314e5a15ab.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bigg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bigg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aigf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aigf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4612
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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:3712
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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:1852 -
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:3336 -
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:4860
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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:4776 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:764
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:3264
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:1252
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3940
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:2504
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:2204
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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:3908
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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:1276
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
391KB
MD533beabceea55d43559d0a51fb9006775
SHA1cf1f399682ad464bccf065bbf0a03c69868668a5
SHA256a66d49fc24a356bbf799ec056beadc6a04fd194dc13c6f19953b0008b866165d
SHA5121c2db6db2fc3839eac8b1b560bb97beba3fb92e36dee66dcc0a9b3467f9f37c7063e40e234b2ff860416128cacdb6dcd47a019fa5dca9517edc643618dc1ab09
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Filesize
391KB
MD533beabceea55d43559d0a51fb9006775
SHA1cf1f399682ad464bccf065bbf0a03c69868668a5
SHA256a66d49fc24a356bbf799ec056beadc6a04fd194dc13c6f19953b0008b866165d
SHA5121c2db6db2fc3839eac8b1b560bb97beba3fb92e36dee66dcc0a9b3467f9f37c7063e40e234b2ff860416128cacdb6dcd47a019fa5dca9517edc643618dc1ab09
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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
363KB
MD5a1766f3464e706cabd3e6f6b5e476dfb
SHA1b8d413d50f3662963ae3f4c7f293a7ceb860055a
SHA2563da6c10c84ba21f105fdd1f753dabf249cf66c14ef9f786ee1215c7af1e23c84
SHA512178354c9ec0d4297a7ccfae7905c071081e9b4c1e032147f8281acb7212c14cc003a4a369848a62c16495c8aad63eaeaa0c94bf77da769f189bcc900742a89cd
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Filesize
363KB
MD5a1766f3464e706cabd3e6f6b5e476dfb
SHA1b8d413d50f3662963ae3f4c7f293a7ceb860055a
SHA2563da6c10c84ba21f105fdd1f753dabf249cf66c14ef9f786ee1215c7af1e23c84
SHA512178354c9ec0d4297a7ccfae7905c071081e9b4c1e032147f8281acb7212c14cc003a4a369848a62c16495c8aad63eaeaa0c94bf77da769f189bcc900742a89cd
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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