Analysis
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max time kernel
113s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/02/2023, 23:08
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
524KB
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MD5
3653714e52bd3843236d06c1cc2dc52b
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SHA1
42f4394b30489f6fd5d46b70e98b544546102a0f
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SHA256
290091c84e0ecbb14a8d4bb591c4cf8b9e509318d1ceefff61daf125ad000f0d
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SHA512
af407ea05f23ad40f4c2eba75c4a9e01f08818021daa28dda96c9d636062a36f72c0d54e2cfb32f2b460a4390882495ae69c6c18ed665a3a100a9e2aa889a437
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SSDEEP
12288:HMrgy90mCLUVIrepViqzrAwmLpBYxObxXgn:jyPVlHADndQn
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\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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" ausf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" ausf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection 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\DisableBehaviorMonitoring = "1" nika.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" nika.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection ausf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" ausf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" ausf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" ausf.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation xriv.exe Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation mnolyk.exe -
Executes dropped EXE 7 IoCs
pid Process 4956 busg.exe 4912 ausf.exe 1248 nika.exe 1124 xriv.exe 1784 mnolyk.exe 1392 mnolyk.exe 1748 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 1356 rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features ausf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" ausf.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 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 busg.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\\\"" busg.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce file.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 4544 4912 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 928 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4912 ausf.exe 4912 ausf.exe 1248 nika.exe 1248 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4912 ausf.exe Token: SeDebugPrivilege 1248 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 4972 wrote to memory of 4956 4972 file.exe 81 PID 4972 wrote to memory of 4956 4972 file.exe 81 PID 4972 wrote to memory of 4956 4972 file.exe 81 PID 4956 wrote to memory of 4912 4956 busg.exe 82 PID 4956 wrote to memory of 4912 4956 busg.exe 82 PID 4956 wrote to memory of 4912 4956 busg.exe 82 PID 4956 wrote to memory of 1248 4956 busg.exe 88 PID 4956 wrote to memory of 1248 4956 busg.exe 88 PID 4972 wrote to memory of 1124 4972 file.exe 90 PID 4972 wrote to memory of 1124 4972 file.exe 90 PID 4972 wrote to memory of 1124 4972 file.exe 90 PID 1124 wrote to memory of 1784 1124 xriv.exe 91 PID 1124 wrote to memory of 1784 1124 xriv.exe 91 PID 1124 wrote to memory of 1784 1124 xriv.exe 91 PID 1784 wrote to memory of 928 1784 mnolyk.exe 92 PID 1784 wrote to memory of 928 1784 mnolyk.exe 92 PID 1784 wrote to memory of 928 1784 mnolyk.exe 92 PID 1784 wrote to memory of 4048 1784 mnolyk.exe 94 PID 1784 wrote to memory of 4048 1784 mnolyk.exe 94 PID 1784 wrote to memory of 4048 1784 mnolyk.exe 94 PID 4048 wrote to memory of 2432 4048 cmd.exe 96 PID 4048 wrote to memory of 2432 4048 cmd.exe 96 PID 4048 wrote to memory of 2432 4048 cmd.exe 96 PID 4048 wrote to memory of 2576 4048 cmd.exe 97 PID 4048 wrote to memory of 2576 4048 cmd.exe 97 PID 4048 wrote to memory of 2576 4048 cmd.exe 97 PID 4048 wrote to memory of 456 4048 cmd.exe 98 PID 4048 wrote to memory of 456 4048 cmd.exe 98 PID 4048 wrote to memory of 456 4048 cmd.exe 98 PID 4048 wrote to memory of 2976 4048 cmd.exe 99 PID 4048 wrote to memory of 2976 4048 cmd.exe 99 PID 4048 wrote to memory of 2976 4048 cmd.exe 99 PID 4048 wrote to memory of 2316 4048 cmd.exe 100 PID 4048 wrote to memory of 2316 4048 cmd.exe 100 PID 4048 wrote to memory of 2316 4048 cmd.exe 100 PID 4048 wrote to memory of 4348 4048 cmd.exe 101 PID 4048 wrote to memory of 4348 4048 cmd.exe 101 PID 4048 wrote to memory of 4348 4048 cmd.exe 101 PID 1784 wrote to memory of 1356 1784 mnolyk.exe 107 PID 1784 wrote to memory of 1356 1784 mnolyk.exe 107 PID 1784 wrote to memory of 1356 1784 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:4972 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\busg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\busg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ausf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ausf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4912 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 10804⤵
- Program crash
PID:4544
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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:1248
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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:1124 -
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:1784 -
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:928
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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:4048 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2432
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:2576
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:456
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2976
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:2316
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:4348
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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:1356
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4912 -ip 49121⤵PID:624
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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:1392
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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:1748
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
338KB
MD5890b5a85d0281b47a23ab17eb402467e
SHA1ead972cb12ed744122227550641a917aa91a6cea
SHA2565ade04491779165d40339120429ddb2ea619f38f421eb7b538b2b3ebab7f57b0
SHA512dbc32d7d6295ecb242735dd98dde618afd46e1bae308aea96d0ef2b90c7517e825d3f2d1023d958d2d9256f56cf88a544a594803df9e6dbe0bb5442bc6444611
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Filesize
338KB
MD5890b5a85d0281b47a23ab17eb402467e
SHA1ead972cb12ed744122227550641a917aa91a6cea
SHA2565ade04491779165d40339120429ddb2ea619f38f421eb7b538b2b3ebab7f57b0
SHA512dbc32d7d6295ecb242735dd98dde618afd46e1bae308aea96d0ef2b90c7517e825d3f2d1023d958d2d9256f56cf88a544a594803df9e6dbe0bb5442bc6444611
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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
245KB
MD5ff1d5582c5356780da477a4800b4f754
SHA11e6c466b23c25b4e9b71b923b002e497cc3bf500
SHA256f3798957e791767811d49249e935ca6fd26c17696d40c1a2dfa74c4653a579ad
SHA512766c794a25579147ee9207ddd66c842f6b67c8355f5b28a1d1bfd5fcc5255bfc6feaaea94d9cfc117d5debf6f949a271acd2ad55c18c897fd921ba43a66c7bd8
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Filesize
245KB
MD5ff1d5582c5356780da477a4800b4f754
SHA11e6c466b23c25b4e9b71b923b002e497cc3bf500
SHA256f3798957e791767811d49249e935ca6fd26c17696d40c1a2dfa74c4653a579ad
SHA512766c794a25579147ee9207ddd66c842f6b67c8355f5b28a1d1bfd5fcc5255bfc6feaaea94d9cfc117d5debf6f949a271acd2ad55c18c897fd921ba43a66c7bd8
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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