Analysis
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max time kernel
132s -
max time network
147s -
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 11:04
Static task
static1
Behavioral task
behavioral1
Sample
247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe
Resource
win10v2004-20220812-en
General
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Target
247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe
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Size
585KB
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MD5
c20ab55d962d0e241a263d2f7cdc062f
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SHA1
6e5cf6ceba9357e627a6e1f11229544e74018dab
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SHA256
247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad
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SHA512
e0cd5fbc197caa729874f431ead568aa6f3a3d34eb27902ced792209955f1e63901eecd392774fbac051a7f801125f6552e6364a002f9ede5342ab47b79a2377
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SSDEEP
12288:5MrIy90mJmLVKNlnVdgZeGUN29Ay1PqiI85O9Lqj6W:py9cVstngG29ASqj8s9mj6W
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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Processes:
nika.exeaYhf.exedescription ioc process 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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" nika.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection aYhf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" aYhf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" aYhf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" aYhf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" aYhf.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 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\DisableScanOnRealtimeEnable = "1" aYhf.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:
bYhg.exeaYhf.exenika.exexriv.exemnolyk.exemnolyk.exemnolyk.exepid process 4212 bYhg.exe 368 aYhf.exe 4496 nika.exe 4540 xriv.exe 4304 mnolyk.exe 4972 mnolyk.exe 1416 mnolyk.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2680 rundll32.exe -
Processes:
nika.exeaYhf.exedescription 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 aYhf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" aYhf.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exebYhg.exedescription 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\\\"" 247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bYhg.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\\\"" bYhg.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.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 3068 368 WerFault.exe aYhf.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:
aYhf.exenika.exepid process 368 aYhf.exe 368 aYhf.exe 4496 nika.exe 4496 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
aYhf.exenika.exedescription pid process Token: SeDebugPrivilege 368 aYhf.exe Token: SeDebugPrivilege 4496 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
Processes:
247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exebYhg.exexriv.exemnolyk.execmd.exedescription pid process target process PID 960 wrote to memory of 4212 960 247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe bYhg.exe PID 960 wrote to memory of 4212 960 247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe bYhg.exe PID 960 wrote to memory of 4212 960 247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe bYhg.exe PID 4212 wrote to memory of 368 4212 bYhg.exe aYhf.exe PID 4212 wrote to memory of 368 4212 bYhg.exe aYhf.exe PID 4212 wrote to memory of 368 4212 bYhg.exe aYhf.exe PID 4212 wrote to memory of 4496 4212 bYhg.exe nika.exe PID 4212 wrote to memory of 4496 4212 bYhg.exe nika.exe PID 960 wrote to memory of 4540 960 247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe xriv.exe PID 960 wrote to memory of 4540 960 247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe xriv.exe PID 960 wrote to memory of 4540 960 247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe xriv.exe PID 4540 wrote to memory of 4304 4540 xriv.exe mnolyk.exe PID 4540 wrote to memory of 4304 4540 xriv.exe mnolyk.exe PID 4540 wrote to memory of 4304 4540 xriv.exe mnolyk.exe PID 4304 wrote to memory of 628 4304 mnolyk.exe schtasks.exe PID 4304 wrote to memory of 628 4304 mnolyk.exe schtasks.exe PID 4304 wrote to memory of 628 4304 mnolyk.exe schtasks.exe PID 4304 wrote to memory of 3232 4304 mnolyk.exe cmd.exe PID 4304 wrote to memory of 3232 4304 mnolyk.exe cmd.exe PID 4304 wrote to memory of 3232 4304 mnolyk.exe cmd.exe PID 3232 wrote to memory of 4660 3232 cmd.exe cmd.exe PID 3232 wrote to memory of 4660 3232 cmd.exe cmd.exe PID 3232 wrote to memory of 4660 3232 cmd.exe cmd.exe PID 3232 wrote to memory of 1940 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 1940 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 1940 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 2116 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 2116 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 2116 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 1332 3232 cmd.exe cmd.exe PID 3232 wrote to memory of 1332 3232 cmd.exe cmd.exe PID 3232 wrote to memory of 1332 3232 cmd.exe cmd.exe PID 3232 wrote to memory of 3756 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 3756 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 3756 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 3580 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 3580 3232 cmd.exe cacls.exe PID 3232 wrote to memory of 3580 3232 cmd.exe cacls.exe PID 4304 wrote to memory of 2680 4304 mnolyk.exe rundll32.exe PID 4304 wrote to memory of 2680 4304 mnolyk.exe rundll32.exe PID 4304 wrote to memory of 2680 4304 mnolyk.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe"C:\Users\Admin\AppData\Local\Temp\247eb9deef4cfed83f5f93ea70a5def79f67313fc0a2fb1aafa5bb7fc1f356ad.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bYhg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bYhg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aYhf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aYhf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:368 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 11004⤵
- Program crash
PID:3068
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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:4496
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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:4540 -
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:4304 -
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:628
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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:3232 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:4660
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:1940
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:R" /E5⤵PID:2116
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:1332
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:3756
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:3580
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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:2680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 368 -ip 3681⤵PID:1172
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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:4972
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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:1416
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
398KB
MD5f0c8f937bde4d1339edb05e32f481be0
SHA1494d07d7796509b1759a733399bd15938152b985
SHA2565da5fe56fe1246a136c670c8a8d51ad070e78f626c6afe00893c9fcd909078db
SHA512e876cf738ac2f4dcd653dcdfdc90a978f2dd02bb08b5510e7e8c7886ddaa23288d761db9c3ee8a2ca65e2fdc64cd8be23e07a8c53a4d9b0ec9c60c4726529951
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Filesize
398KB
MD5f0c8f937bde4d1339edb05e32f481be0
SHA1494d07d7796509b1759a733399bd15938152b985
SHA2565da5fe56fe1246a136c670c8a8d51ad070e78f626c6afe00893c9fcd909078db
SHA512e876cf738ac2f4dcd653dcdfdc90a978f2dd02bb08b5510e7e8c7886ddaa23288d761db9c3ee8a2ca65e2fdc64cd8be23e07a8c53a4d9b0ec9c60c4726529951
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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
MD5e572f01374d14950ab5f926b6bc669c7
SHA1344f0ee2242a74bae4cab535ea1ff957a7248704
SHA2561348f0d2f0edc75fa7063614a223f8d5d3fe1433b9c5c03164a1f6b33c4b8278
SHA512bc6053423a71919547a1483f7b6896598b087afb82768c8b7c958db013c7c25060e5bfaf2da12d48020a04dc239394659be1673672636af9e8bb5cae6a809be9
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Filesize
367KB
MD5e572f01374d14950ab5f926b6bc669c7
SHA1344f0ee2242a74bae4cab535ea1ff957a7248704
SHA2561348f0d2f0edc75fa7063614a223f8d5d3fe1433b9c5c03164a1f6b33c4b8278
SHA512bc6053423a71919547a1483f7b6896598b087afb82768c8b7c958db013c7c25060e5bfaf2da12d48020a04dc239394659be1673672636af9e8bb5cae6a809be9
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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