Analysis
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max time kernel
113s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
06-02-2023 13:11
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
584KB
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MD5
61a8c6a50c4a2c2990e45bc223464333
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SHA1
87334fa8b57e66c8193d9138f82f31caf2732d73
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SHA256
fe010d21711adca99ed52b577c6bf8e2919f5e08f3ce65ce446f1a92f87a7e34
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SHA512
e5aeba8ecaaeb0fd373d9ed77754d4cd925153f7dc962fe1374696d0f974b020ab61fd1eea0b2ccc963a1100a168a211c81b24c6c040bb243012b7e91c88f4cf
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SSDEEP
12288:pMrdy90JSCGLgBWhJpLEyGG9JjNhGCPvCXWweSfH2S5:cyOWJpYMHNh7PvNwvuo
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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Processes:
ajAf.exenika.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" ajAf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" ajAf.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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection ajAf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" ajAf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" ajAf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" ajAf.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\DisableOnAccessProtection = "1" nika.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
xriv.exemnolyk.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation xriv.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation mnolyk.exe -
Executes dropped EXE 7 IoCs
Processes:
bjAg.exeajAf.exenika.exexriv.exemnolyk.exemnolyk.exemnolyk.exepid process 2864 bjAg.exe 1920 ajAf.exe 2896 nika.exe 3660 xriv.exe 4212 mnolyk.exe 4116 mnolyk.exe 5084 mnolyk.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 1940 rundll32.exe -
Processes:
ajAf.exenika.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features ajAf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" ajAf.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
Processes:
bjAg.exefile.exedescription ioc process 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\\\"" bjAg.exe 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 bjAg.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
Processes:
WerFault.exepid pid_target process target process 5048 1920 WerFault.exe ajAf.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
ajAf.exenika.exepid process 1920 ajAf.exe 1920 ajAf.exe 2896 nika.exe 2896 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
ajAf.exenika.exedescription pid process Token: SeDebugPrivilege 1920 ajAf.exe Token: SeDebugPrivilege 2896 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
Processes:
file.exebjAg.exexriv.exemnolyk.execmd.exedescription pid process target process PID 1508 wrote to memory of 2864 1508 file.exe bjAg.exe PID 1508 wrote to memory of 2864 1508 file.exe bjAg.exe PID 1508 wrote to memory of 2864 1508 file.exe bjAg.exe PID 2864 wrote to memory of 1920 2864 bjAg.exe ajAf.exe PID 2864 wrote to memory of 1920 2864 bjAg.exe ajAf.exe PID 2864 wrote to memory of 1920 2864 bjAg.exe ajAf.exe PID 2864 wrote to memory of 2896 2864 bjAg.exe nika.exe PID 2864 wrote to memory of 2896 2864 bjAg.exe nika.exe PID 1508 wrote to memory of 3660 1508 file.exe xriv.exe PID 1508 wrote to memory of 3660 1508 file.exe xriv.exe PID 1508 wrote to memory of 3660 1508 file.exe xriv.exe PID 3660 wrote to memory of 4212 3660 xriv.exe mnolyk.exe PID 3660 wrote to memory of 4212 3660 xriv.exe mnolyk.exe PID 3660 wrote to memory of 4212 3660 xriv.exe mnolyk.exe PID 4212 wrote to memory of 340 4212 mnolyk.exe schtasks.exe PID 4212 wrote to memory of 340 4212 mnolyk.exe schtasks.exe PID 4212 wrote to memory of 340 4212 mnolyk.exe schtasks.exe PID 4212 wrote to memory of 896 4212 mnolyk.exe cmd.exe PID 4212 wrote to memory of 896 4212 mnolyk.exe cmd.exe PID 4212 wrote to memory of 896 4212 mnolyk.exe cmd.exe PID 896 wrote to memory of 3304 896 cmd.exe cmd.exe PID 896 wrote to memory of 3304 896 cmd.exe cmd.exe PID 896 wrote to memory of 3304 896 cmd.exe cmd.exe PID 896 wrote to memory of 3044 896 cmd.exe cacls.exe PID 896 wrote to memory of 3044 896 cmd.exe cacls.exe PID 896 wrote to memory of 3044 896 cmd.exe cacls.exe PID 896 wrote to memory of 4504 896 cmd.exe cacls.exe PID 896 wrote to memory of 4504 896 cmd.exe cacls.exe PID 896 wrote to memory of 4504 896 cmd.exe cacls.exe PID 896 wrote to memory of 3748 896 cmd.exe cmd.exe PID 896 wrote to memory of 3748 896 cmd.exe cmd.exe PID 896 wrote to memory of 3748 896 cmd.exe cmd.exe PID 896 wrote to memory of 936 896 cmd.exe cacls.exe PID 896 wrote to memory of 936 896 cmd.exe cacls.exe PID 896 wrote to memory of 936 896 cmd.exe cacls.exe PID 896 wrote to memory of 4640 896 cmd.exe cacls.exe PID 896 wrote to memory of 4640 896 cmd.exe cacls.exe PID 896 wrote to memory of 4640 896 cmd.exe cacls.exe PID 4212 wrote to memory of 1940 4212 mnolyk.exe rundll32.exe PID 4212 wrote to memory of 1940 4212 mnolyk.exe rundll32.exe PID 4212 wrote to memory of 1940 4212 mnolyk.exe rundll32.exe
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:1508 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bjAg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bjAg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ajAf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ajAf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 10804⤵
- Program crash
PID:5048
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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:2896
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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:3660 -
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:4212 -
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:340
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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:896 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3304
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:3044
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:4504
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3748
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:936
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:4640
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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:1940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1920 -ip 19201⤵PID:2260
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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:4116
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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:5084
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
397KB
MD5014bf36c5ca48af27042e0baf0b6d951
SHA1a65cf5fb7cec3aab71273a45dcc83b1cc64d9f3f
SHA256c4a0666a243c0ae022c6b06dfccb8509cd48d879a89b02562296503b620be701
SHA5129d05081c8cc65b3718e99dc0d05e28ea2ba75d11dd642f94eca9cc636aba20ee939d6b8c5bb43057f31554b600012fe8e8816ffcd976cf86d0ed57cfd4af6998
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Filesize
397KB
MD5014bf36c5ca48af27042e0baf0b6d951
SHA1a65cf5fb7cec3aab71273a45dcc83b1cc64d9f3f
SHA256c4a0666a243c0ae022c6b06dfccb8509cd48d879a89b02562296503b620be701
SHA5129d05081c8cc65b3718e99dc0d05e28ea2ba75d11dd642f94eca9cc636aba20ee939d6b8c5bb43057f31554b600012fe8e8816ffcd976cf86d0ed57cfd4af6998
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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
367KB
MD5a00a64a5a243c8705d68786c6159e402
SHA1b1321832bb1da71b4bff28e6e3e6749d815398fb
SHA2565d275427202f0def0fb46b5e470d56c7ca8999e8c866e4da7408fb854762ff3d
SHA512a728e81288bd5c48f92be9bccadd918e93b8086e5483cd57cced246b75246be2b34d961a0788c9092f9a0333aef28799d40ad6e51d5a92a93fe22480035cef6a
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Filesize
367KB
MD5a00a64a5a243c8705d68786c6159e402
SHA1b1321832bb1da71b4bff28e6e3e6749d815398fb
SHA2565d275427202f0def0fb46b5e470d56c7ca8999e8c866e4da7408fb854762ff3d
SHA512a728e81288bd5c48f92be9bccadd918e93b8086e5483cd57cced246b75246be2b34d961a0788c9092f9a0333aef28799d40ad6e51d5a92a93fe22480035cef6a
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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