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Analysis
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max time kernel
148s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14/03/2024, 07:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c80d627107db611cb805b7fdce880030.exe
Resource
win7-20240221-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
c80d627107db611cb805b7fdce880030.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
1 signatures
150 seconds
General
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Target
c80d627107db611cb805b7fdce880030.exe
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Size
63KB
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MD5
c80d627107db611cb805b7fdce880030
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SHA1
efacc489df7020f605953c9bd16afbccc09e2824
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SHA256
ea933832e2b54394e17c2ca51f5d0e42a9a76dd1f6e3c0439d1415f77fa31548
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SHA512
f6532255995ba423ca954c099c696368f19c57cf85052fe74a94578ae6205dd0a5bb07295ca32d390b7c0535e54cca82020c54593b1f7018d3fa4a048c08850a
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SSDEEP
1536:UjV8OL2JLAEEbBow9551m5HwgvTnjrrzQgPZT4rNuGOVm5SvDqm7UZdyhG:UJ8ZJYBoM1m5RznrzQq6rNBfgzY48
Score
10/10
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" rundll32.exe -
Disables RegEdit via registry modification 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" rundll32.exe -
Disables Task Manager via registry modification
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Modifies Shared Task Scheduler registry keys 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler dropper_286962.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\SharedTaskScheduler\IPC Configuration Utility = "IPC Configuration Utility" dropper_286962.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\SharedTaskScheduler\{020487CC-FC04-4B1E-863F-D9801796230B} = "Windows Installer Class" rundll32.exe -
Executes dropped EXE 2 IoCs
pid Process 2936 dropper_286962.exe 2560 load.exe -
Loads dropped DLL 8 IoCs
pid Process 1912 c80d627107db611cb805b7fdce880030.exe 1912 c80d627107db611cb805b7fdce880030.exe 1912 c80d627107db611cb805b7fdce880030.exe 1912 c80d627107db611cb805b7fdce880030.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rundll32.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Themes\\TranscodedWallpaper.jpg" rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Desktop\General rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" rundll32.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{020487CC-FC04-4B1E-863F-D9801796230B}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wndutl32.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{020487CC-FC04-4B1E-863F-D9801796230B}\InProcServer32\ThreadingModel = "Apartment" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\{020487CC-FC04-4B1E-863F-D9801796230B}\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wndutl32.dll" dropper_286962.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{020487CC-FC04-4B1E-863F-D9801796230B}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{020487CC-FC04-4B1E-863F-D9801796230B} rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\{020487CC-FC04-4B1E-863F-D9801796230B} dropper_286962.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\{020487CC-FC04-4B1E-863F-D9801796230B}\Apartment = "Apartment" dropper_286962.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe 2372 rundll32.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1912 wrote to memory of 2936 1912 c80d627107db611cb805b7fdce880030.exe 28 PID 1912 wrote to memory of 2936 1912 c80d627107db611cb805b7fdce880030.exe 28 PID 1912 wrote to memory of 2936 1912 c80d627107db611cb805b7fdce880030.exe 28 PID 1912 wrote to memory of 2936 1912 c80d627107db611cb805b7fdce880030.exe 28 PID 1912 wrote to memory of 2560 1912 c80d627107db611cb805b7fdce880030.exe 29 PID 1912 wrote to memory of 2560 1912 c80d627107db611cb805b7fdce880030.exe 29 PID 1912 wrote to memory of 2560 1912 c80d627107db611cb805b7fdce880030.exe 29 PID 1912 wrote to memory of 2560 1912 c80d627107db611cb805b7fdce880030.exe 29 PID 2936 wrote to memory of 2372 2936 dropper_286962.exe 30 PID 2936 wrote to memory of 2372 2936 dropper_286962.exe 30 PID 2936 wrote to memory of 2372 2936 dropper_286962.exe 30 PID 2936 wrote to memory of 2372 2936 dropper_286962.exe 30 PID 2936 wrote to memory of 2372 2936 dropper_286962.exe 30 PID 2936 wrote to memory of 2372 2936 dropper_286962.exe 30 PID 2936 wrote to memory of 2372 2936 dropper_286962.exe 30 PID 2560 wrote to memory of 2380 2560 load.exe 31 PID 2560 wrote to memory of 2380 2560 load.exe 31 PID 2560 wrote to memory of 2380 2560 load.exe 31 PID 2560 wrote to memory of 2380 2560 load.exe 31 -
System policy modification 1 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop\NoChangingWallpaper = "1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoActiveDesktopChanges = "1" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoSetActiveDesktop = "1" rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c80d627107db611cb805b7fdce880030.exe"C:\Users\Admin\AppData\Local\Temp\c80d627107db611cb805b7fdce880030.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Users\Admin\AppData\Local\Temp\dropper_286962.exe"C:\Users\Admin\AppData\Local\Temp\dropper_286962.exe"2⤵
- Modifies Shared Task Scheduler registry keys
- Executes dropped EXE
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\wndutl32.dll,load3⤵
- Windows security bypass
- Disables RegEdit via registry modification
- Modifies Shared Task Scheduler registry keys
- Loads dropped DLL
- Windows security modification
- Sets desktop wallpaper using registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- System policy modification
PID:2372
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C:\Users\Admin\AppData\Local\Temp\load.exe"C:\Users\Admin\AppData\Local\Temp\load.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Windows\SysWOW64\cmd.execmd /c del "C:\Users\Admin\AppData\Local\Temp\load.exe"3⤵PID:2380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5df0ad057821a5a5218125a7cf7375813
SHA10195d399cc9c705f70b06d8a9dd16fd50d494f16
SHA25698ae0c7ec0479ae48fe9deaa6d5f16d733248a8ecd3137e213e2c84221881d75
SHA512a05f64df4431414467e25b71af1c50e09c73b0eb85e2b6f9011393d837fcc56bf9c93857867c0ab71e7da3ba52e2a5693ca10a8a2c6bcb8ff54e5971c7db2016
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Filesize
9KB
MD52074d9f84dabdaa9eca10d550797740c
SHA1ae5c559a7c167c716bfd4c1fbdf6582a9112625a
SHA2563e27f5e6be8ca368e9f49fbb0af15b253ad9f1a719248992a85fdc50d4d781ab
SHA512b486868fa9dcf2dfac2069998c3a580ba8fe12a9dcba7bf4cfd44d06b021d53ef29ba4415a2780c8d239f708015f00b54c2b32e3ac869f792ae6d633c71d4589
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Filesize
13KB
MD5566881585b351cdcc4f66648c6b98a58
SHA1fc996cda1a168532d6d7e899c4bb1684199262bb
SHA2565bd5db0388afdc882eb196a9e03681944ef10cba658eef11fb89feac0eed4e30
SHA512cc16ea70971a995a6788112e0a58a686272f18352d881274af3ec7d5a274edb30e3a910c0dc0a657f6c310475e959c853551dc350555f7c8add4d3613c66580c