Analysis
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max time kernel
109s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
06-02-2023 13:18
Static task
static1
Behavioral task
behavioral1
Sample
1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe
Resource
win10v2004-20221111-en
General
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Target
1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe
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Size
584KB
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MD5
74daf2e42dd1fbfed285285d7bcc7c22
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SHA1
5abf0c8b3c320897a77a1b94adbc17e9f0c826b7
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SHA256
1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c
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SHA512
c3f61b0d99705b86d7b1a53acd18e2b09c89d8d62d2a4030becd9b29db6d9e7cc20036f71c88b9cfc6c8fbb15e23607a88dcba4e0d6aa416f69402e59cde138c
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SSDEEP
12288:8Mrdy90ne6KlgyZKpJ+qh6BgrWhhCUTgtA/1HP1QKMjiAWrd:RyyHKlgyZKpJ+q9ChhRMtG1H9QKhAWrd
Malware Config
Extracted
amadey
3.66
62.204.41.4/Gol478Ns/index.php
Signatures
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Processes:
aygf.exenika.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" aygf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" aygf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" aygf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" aygf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" aygf.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\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 aygf.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\DisableScanOnRealtimeEnable = "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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation xriv.exe Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation mnolyk.exe -
Executes dropped EXE 7 IoCs
Processes:
bygg.exeaygf.exenika.exexriv.exemnolyk.exemnolyk.exemnolyk.exepid process 4876 bygg.exe 4772 aygf.exe 4712 nika.exe 4956 xriv.exe 3512 mnolyk.exe 4636 mnolyk.exe 4360 mnolyk.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 424 rundll32.exe -
Processes:
aygf.exenika.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features aygf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" aygf.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:
bygg.exe1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.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\\\"" bygg.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.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\\\"" 1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bygg.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 5084 4772 WerFault.exe aygf.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:
aygf.exenika.exepid process 4772 aygf.exe 4772 aygf.exe 4712 nika.exe 4712 nika.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
aygf.exenika.exedescription pid process Token: SeDebugPrivilege 4772 aygf.exe Token: SeDebugPrivilege 4712 nika.exe -
Suspicious use of WriteProcessMemory 41 IoCs
Processes:
1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exebygg.exexriv.exemnolyk.execmd.exedescription pid process target process PID 3568 wrote to memory of 4876 3568 1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe bygg.exe PID 3568 wrote to memory of 4876 3568 1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe bygg.exe PID 3568 wrote to memory of 4876 3568 1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe bygg.exe PID 4876 wrote to memory of 4772 4876 bygg.exe aygf.exe PID 4876 wrote to memory of 4772 4876 bygg.exe aygf.exe PID 4876 wrote to memory of 4772 4876 bygg.exe aygf.exe PID 4876 wrote to memory of 4712 4876 bygg.exe nika.exe PID 4876 wrote to memory of 4712 4876 bygg.exe nika.exe PID 3568 wrote to memory of 4956 3568 1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe xriv.exe PID 3568 wrote to memory of 4956 3568 1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe xriv.exe PID 3568 wrote to memory of 4956 3568 1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe xriv.exe PID 4956 wrote to memory of 3512 4956 xriv.exe mnolyk.exe PID 4956 wrote to memory of 3512 4956 xriv.exe mnolyk.exe PID 4956 wrote to memory of 3512 4956 xriv.exe mnolyk.exe PID 3512 wrote to memory of 3124 3512 mnolyk.exe schtasks.exe PID 3512 wrote to memory of 3124 3512 mnolyk.exe schtasks.exe PID 3512 wrote to memory of 3124 3512 mnolyk.exe schtasks.exe PID 3512 wrote to memory of 1484 3512 mnolyk.exe cmd.exe PID 3512 wrote to memory of 1484 3512 mnolyk.exe cmd.exe PID 3512 wrote to memory of 1484 3512 mnolyk.exe cmd.exe PID 1484 wrote to memory of 4704 1484 cmd.exe cmd.exe PID 1484 wrote to memory of 4704 1484 cmd.exe cmd.exe PID 1484 wrote to memory of 4704 1484 cmd.exe cmd.exe PID 1484 wrote to memory of 5048 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 5048 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 5048 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 3816 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 3816 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 3816 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 3892 1484 cmd.exe cmd.exe PID 1484 wrote to memory of 3892 1484 cmd.exe cmd.exe PID 1484 wrote to memory of 3892 1484 cmd.exe cmd.exe PID 1484 wrote to memory of 3380 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 3380 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 3380 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 212 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 212 1484 cmd.exe cacls.exe PID 1484 wrote to memory of 212 1484 cmd.exe cacls.exe PID 3512 wrote to memory of 424 3512 mnolyk.exe rundll32.exe PID 3512 wrote to memory of 424 3512 mnolyk.exe rundll32.exe PID 3512 wrote to memory of 424 3512 mnolyk.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe"C:\Users\Admin\AppData\Local\Temp\1f849c845f9432fd803101047ee6106749a401cf954a1a77a86c84925173d59c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3568 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bygg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bygg.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aygf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\aygf.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4772 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 10804⤵
- Program crash
PID:5084
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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:4712
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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:4956 -
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:3512 -
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:3124
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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:1484 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:4704
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C:\Windows\SysWOW64\cacls.exeCACLS "mnolyk.exe" /P "Admin:N"5⤵PID:5048
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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:3892
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:N"5⤵PID:3380
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C:\Windows\SysWOW64\cacls.exeCACLS "..\4b9a106e76" /P "Admin:R" /E5⤵PID:212
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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:424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4772 -ip 47721⤵PID:1756
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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:4636
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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:4360
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
MD53c91ffe6d6713fdba5e28da8f7e63a04
SHA16092afa8abab9525c9152e8e5888c804647c182b
SHA256983d67929b5b179e5af7d7bab8ef8b2c56e63a1032c3f0cd2e0b1612aa32189a
SHA5120569aed4e4d6eea853e6e5dd8ee2236ee62fb7ba8d907a07aa0cda8fdf507e3dc9cbc8d4158ed0e8dcad713b94c07b8a2c4a8f36a46f9c42098472b57e1cf663
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Filesize
397KB
MD53c91ffe6d6713fdba5e28da8f7e63a04
SHA16092afa8abab9525c9152e8e5888c804647c182b
SHA256983d67929b5b179e5af7d7bab8ef8b2c56e63a1032c3f0cd2e0b1612aa32189a
SHA5120569aed4e4d6eea853e6e5dd8ee2236ee62fb7ba8d907a07aa0cda8fdf507e3dc9cbc8d4158ed0e8dcad713b94c07b8a2c4a8f36a46f9c42098472b57e1cf663
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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
MD5b425e2d3b40dec49501066b8cd3d432d
SHA18ab248fbd0c3dc9a7be8211f368f6e1bec004128
SHA2566fc6c3099eb680afce90b294d24607463311fc096598ba22ec1f43c2acf5fee8
SHA512f6443909c699abc0f11651b74e7c7b6f25e6c73d6a542fa32b0fc3696d1fe1cc2593b1706401f691c0dfabfb0062b2a1875c38f8efd597dc6a8da73282fbbf8f
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Filesize
367KB
MD5b425e2d3b40dec49501066b8cd3d432d
SHA18ab248fbd0c3dc9a7be8211f368f6e1bec004128
SHA2566fc6c3099eb680afce90b294d24607463311fc096598ba22ec1f43c2acf5fee8
SHA512f6443909c699abc0f11651b74e7c7b6f25e6c73d6a542fa32b0fc3696d1fe1cc2593b1706401f691c0dfabfb0062b2a1875c38f8efd597dc6a8da73282fbbf8f
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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