Analysis
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max time kernel
119s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-02-2023 13:38
Static task
static1
Behavioral task
behavioral1
Sample
a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe
Resource
win10v2004-20220812-en
General
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Target
a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe
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Size
578KB
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MD5
f3e0d64b7fcf255398c305a52b8a33ca
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SHA1
58757ed3f02c711154b6a1a38cdc95da7c0d93d7
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SHA256
a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376
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SHA512
82c0fbb0d6b6a9950b529535f66b7afc67cab653561a6564e711c1ab42347ee269a2e4816c8bef9c3cb1872d2a10f733bac36c97b0ba0688d095e928130bbf75
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SSDEEP
12288:pMrvy906H7MFO7S8i9tliaNMWaI9K1BG1b3BDRh4kJ0C6rRrJ2:+ypHx7ji9tEaD1bvh4WfurJ2
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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Processes:
amMf.exenika.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" amMf.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\DisableScanOnRealtimeEnable = "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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection amMf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" amMf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" amMf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" amMf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" amMf.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.
Processes:
xriv.exemnolyk.exedescription 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
Processes:
bmMg.exeamMf.exenika.exexriv.exemnolyk.exemnolyk.exemnolyk.exepid process 3008 bmMg.exe 984 amMf.exe 5056 nika.exe 560 xriv.exe 3020 mnolyk.exe 3496 mnolyk.exe 1568 mnolyk.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 4092 rundll32.exe -
Processes:
amMf.exenika.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features amMf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" amMf.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:
a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exebmMg.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.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\\\"" a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bmMg.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\\\"" bmMg.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 4252 984 WerFault.exe amMf.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:
amMf.exenika.exepid process 984 amMf.exe 984 amMf.exe 5056 nika.exe 5056 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
amMf.exenika.exedescription pid process Token: SeDebugPrivilege 984 amMf.exe Token: SeDebugPrivilege 5056 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
Processes:
a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exebmMg.exexriv.exemnolyk.execmd.exedescription pid process target process PID 4612 wrote to memory of 3008 4612 a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe bmMg.exe PID 4612 wrote to memory of 3008 4612 a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe bmMg.exe PID 4612 wrote to memory of 3008 4612 a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe bmMg.exe PID 3008 wrote to memory of 984 3008 bmMg.exe amMf.exe PID 3008 wrote to memory of 984 3008 bmMg.exe amMf.exe PID 3008 wrote to memory of 984 3008 bmMg.exe amMf.exe PID 3008 wrote to memory of 5056 3008 bmMg.exe nika.exe PID 3008 wrote to memory of 5056 3008 bmMg.exe nika.exe PID 4612 wrote to memory of 560 4612 a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe xriv.exe PID 4612 wrote to memory of 560 4612 a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe xriv.exe PID 4612 wrote to memory of 560 4612 a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe xriv.exe PID 560 wrote to memory of 3020 560 xriv.exe mnolyk.exe PID 560 wrote to memory of 3020 560 xriv.exe mnolyk.exe PID 560 wrote to memory of 3020 560 xriv.exe mnolyk.exe PID 3020 wrote to memory of 368 3020 mnolyk.exe schtasks.exe PID 3020 wrote to memory of 368 3020 mnolyk.exe schtasks.exe PID 3020 wrote to memory of 368 3020 mnolyk.exe schtasks.exe PID 3020 wrote to memory of 2732 3020 mnolyk.exe cmd.exe PID 3020 wrote to memory of 2732 3020 mnolyk.exe cmd.exe PID 3020 wrote to memory of 2732 3020 mnolyk.exe cmd.exe PID 2732 wrote to memory of 236 2732 cmd.exe cmd.exe PID 2732 wrote to memory of 236 2732 cmd.exe cmd.exe PID 2732 wrote to memory of 236 2732 cmd.exe cmd.exe PID 2732 wrote to memory of 3368 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 3368 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 3368 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 112 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 112 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 112 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 232 2732 cmd.exe cmd.exe PID 2732 wrote to memory of 232 2732 cmd.exe cmd.exe PID 2732 wrote to memory of 232 2732 cmd.exe cmd.exe PID 2732 wrote to memory of 5000 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 5000 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 5000 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 4700 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 4700 2732 cmd.exe cacls.exe PID 2732 wrote to memory of 4700 2732 cmd.exe cacls.exe PID 3020 wrote to memory of 4092 3020 mnolyk.exe rundll32.exe PID 3020 wrote to memory of 4092 3020 mnolyk.exe rundll32.exe PID 3020 wrote to memory of 4092 3020 mnolyk.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe"C:\Users\Admin\AppData\Local\Temp\a27461f50ebc7c5d7610851cf4795acd34d457318e9ef844c120ce75e35aa376.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bmMg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bmMg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\amMf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\amMf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:984 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 10804⤵
- Program crash
PID:4252
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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:5056
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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:560 -
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:3020 -
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:368
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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:2732 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:236
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:3368
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:112
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:232
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:5000
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:4700
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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:4092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 984 -ip 9841⤵PID:5032
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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:3496
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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:1568
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
391KB
MD5fbb5bf1b01f871720d1b18684cfe4c6f
SHA12332468adad03dd4ffcfb56795fdf5b79a2d2978
SHA25686b791f670dca93dda12604ec27c6bb9e8264a442f6d761adedd5638dd22ad7c
SHA512a1e66cf236f13cf0fcc69712aafd1523422f2d51752639ca5ac441985199fc8b632040ed96e97f4298c6984e2b4c9c5e24c18c3f79389d36c65db713c8a7b457
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Filesize
391KB
MD5fbb5bf1b01f871720d1b18684cfe4c6f
SHA12332468adad03dd4ffcfb56795fdf5b79a2d2978
SHA25686b791f670dca93dda12604ec27c6bb9e8264a442f6d761adedd5638dd22ad7c
SHA512a1e66cf236f13cf0fcc69712aafd1523422f2d51752639ca5ac441985199fc8b632040ed96e97f4298c6984e2b4c9c5e24c18c3f79389d36c65db713c8a7b457
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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
MD5020f0a9f4baaafad38ca9cf3379f22c9
SHA10a8fd7b9a317ef95ea76f4e49bc6379e83258611
SHA25648d58189830cbd96cf05c3627c28c4385f63f34c0276b4f0f58fe6eb53d9df8c
SHA512b0dcb39beac4098200a2a4dac69a8f6f8d33cb981346e718dfd9a33f5873aac0290c9a0ee10783fdc7f2a619426550b28a1bf9c44237fe4dc45c4fd71cc737d1
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Filesize
363KB
MD5020f0a9f4baaafad38ca9cf3379f22c9
SHA10a8fd7b9a317ef95ea76f4e49bc6379e83258611
SHA25648d58189830cbd96cf05c3627c28c4385f63f34c0276b4f0f58fe6eb53d9df8c
SHA512b0dcb39beac4098200a2a4dac69a8f6f8d33cb981346e718dfd9a33f5873aac0290c9a0ee10783fdc7f2a619426550b28a1bf9c44237fe4dc45c4fd71cc737d1
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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