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Analysis
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max time kernel
114s -
max time network
139s -
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, 05:27
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
526KB
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MD5
d2c7f10eb1b82bdda4ec935b225ca0be
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SHA1
24f94c7e52f5b23fa2d6df15ae3531568fce535b
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SHA256
9c46c158a2e5589f4464d275a6d6ac6e1558f0412c2ae650780861358c04e84e
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SHA512
e0f45752e8428ee13f6fce414872e8be94ac998a97ea76c24f647ba89204a45e06defe420272c1c62b3020c1b86d62fa2a06fc22af62c8b291b7fa88c9217a71
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SSDEEP
6144:Kvy+bnr+6p0yN90QE8zhkbv8tMIjOFu4To5GkJOo6dazSjx/HGJmUcyBsCCFFa6i:FMray90xv+C9sOoc6mx8mUc2EpFw
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection auEf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" auEf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" auEf.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\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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" auEf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" auEf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" auEf.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\DisableBehaviorMonitoring = "1" 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-1-5-21-2891029575-1462575-1165213807-1000\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 5068 buEg.exe 4580 auEf.exe 4532 nika.exe 616 xriv.exe 4348 mnolyk.exe 2812 mnolyk.exe 4596 mnolyk.exe -
Loads dropped DLL 1 IoCs
pid Process 2564 rundll32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features auEf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" auEf.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 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 buEg.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\\\"" buEg.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 224 4580 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 3320 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4580 auEf.exe 4580 auEf.exe 4532 nika.exe 4532 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4580 auEf.exe Token: SeDebugPrivilege 4532 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 3036 wrote to memory of 5068 3036 file.exe 80 PID 3036 wrote to memory of 5068 3036 file.exe 80 PID 3036 wrote to memory of 5068 3036 file.exe 80 PID 5068 wrote to memory of 4580 5068 buEg.exe 81 PID 5068 wrote to memory of 4580 5068 buEg.exe 81 PID 5068 wrote to memory of 4580 5068 buEg.exe 81 PID 5068 wrote to memory of 4532 5068 buEg.exe 92 PID 5068 wrote to memory of 4532 5068 buEg.exe 92 PID 3036 wrote to memory of 616 3036 file.exe 94 PID 3036 wrote to memory of 616 3036 file.exe 94 PID 3036 wrote to memory of 616 3036 file.exe 94 PID 616 wrote to memory of 4348 616 xriv.exe 95 PID 616 wrote to memory of 4348 616 xriv.exe 95 PID 616 wrote to memory of 4348 616 xriv.exe 95 PID 4348 wrote to memory of 3320 4348 mnolyk.exe 96 PID 4348 wrote to memory of 3320 4348 mnolyk.exe 96 PID 4348 wrote to memory of 3320 4348 mnolyk.exe 96 PID 4348 wrote to memory of 1504 4348 mnolyk.exe 98 PID 4348 wrote to memory of 1504 4348 mnolyk.exe 98 PID 4348 wrote to memory of 1504 4348 mnolyk.exe 98 PID 1504 wrote to memory of 4036 1504 cmd.exe 100 PID 1504 wrote to memory of 4036 1504 cmd.exe 100 PID 1504 wrote to memory of 4036 1504 cmd.exe 100 PID 1504 wrote to memory of 2304 1504 cmd.exe 101 PID 1504 wrote to memory of 2304 1504 cmd.exe 101 PID 1504 wrote to memory of 2304 1504 cmd.exe 101 PID 1504 wrote to memory of 3816 1504 cmd.exe 102 PID 1504 wrote to memory of 3816 1504 cmd.exe 102 PID 1504 wrote to memory of 3816 1504 cmd.exe 102 PID 1504 wrote to memory of 520 1504 cmd.exe 103 PID 1504 wrote to memory of 520 1504 cmd.exe 103 PID 1504 wrote to memory of 520 1504 cmd.exe 103 PID 1504 wrote to memory of 3172 1504 cmd.exe 104 PID 1504 wrote to memory of 3172 1504 cmd.exe 104 PID 1504 wrote to memory of 3172 1504 cmd.exe 104 PID 1504 wrote to memory of 2128 1504 cmd.exe 105 PID 1504 wrote to memory of 2128 1504 cmd.exe 105 PID 1504 wrote to memory of 2128 1504 cmd.exe 105 PID 4348 wrote to memory of 2564 4348 mnolyk.exe 107 PID 4348 wrote to memory of 2564 4348 mnolyk.exe 107 PID 4348 wrote to memory of 2564 4348 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:3036 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\buEg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\buEg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\auEf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\auEf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4580 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 10804⤵
- Program crash
PID:224
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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:4532
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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:616 -
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:4348 -
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:3320
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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:1504 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:4036
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:2304
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:3816
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:520
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:3172
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:2128
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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:2564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4580 -ip 45801⤵PID:212
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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:2812
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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:4596
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
339KB
MD5c5a224bc15ca239cac8c3f14ffca8845
SHA1273d2e1c259fc53a274bbce8af74a44574e0df02
SHA256d00834082b0b16dd8c56d7c6ac27c62a37e57062ef545c4ee95fad93d3ed817c
SHA51221e1e0aee266df9b17c2048132fb5b6665d29e942ad7545427dbc2dbb827000100af6e221d518457066c438b793af29ed46aa0d285366baa4cc99222521a2d83
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Filesize
339KB
MD5c5a224bc15ca239cac8c3f14ffca8845
SHA1273d2e1c259fc53a274bbce8af74a44574e0df02
SHA256d00834082b0b16dd8c56d7c6ac27c62a37e57062ef545c4ee95fad93d3ed817c
SHA51221e1e0aee266df9b17c2048132fb5b6665d29e942ad7545427dbc2dbb827000100af6e221d518457066c438b793af29ed46aa0d285366baa4cc99222521a2d83
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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
247KB
MD505406b14b156adb3f5e55a36557e42bd
SHA12c8c15bd6f29d5493b1ddf1da5e7bc772c73fef7
SHA256e2d398f211400b3107882b97d05ba0e3ca011fbaf3438e3a2da1a84bd3ea65f6
SHA512a04626fb16aff0691ea07fbff3e312376c54cb51ced4cfb9533e50b2d0038de4c61d6cfe1b0d588318f5c5431d2883493b9820eedd0b1700773b0d3469b5613d
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Filesize
247KB
MD505406b14b156adb3f5e55a36557e42bd
SHA12c8c15bd6f29d5493b1ddf1da5e7bc772c73fef7
SHA256e2d398f211400b3107882b97d05ba0e3ca011fbaf3438e3a2da1a84bd3ea65f6
SHA512a04626fb16aff0691ea07fbff3e312376c54cb51ced4cfb9533e50b2d0038de4c61d6cfe1b0d588318f5c5431d2883493b9820eedd0b1700773b0d3469b5613d
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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