Analysis
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max time kernel
180s -
max time network
188s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/12/2022, 00:28
Static task
static1
Behavioral task
behavioral1
Sample
fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe
Resource
win10v2004-20220812-en
General
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Target
fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe
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Size
224KB
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MD5
390882aa077d10e80d8f0778f6d727a4
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SHA1
79b13e9bcbe12eb950cfbac6f4c1dd12287d613c
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SHA256
fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2
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SHA512
eebe70f0949daa9d0f2fd36b44a2455cfc30f4d7298075824b44b4f14419e76396737e44941067600211d210ffb2c2972799059d5830bb2f82eb5c95492be51a
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SSDEEP
3072:V3QcvzVYRMCKfvhd+V4SHsd8HYXfg23Qbb6oKWI8k3u5AHP:Vg1NKn+GKs5Xfmb6NWI8ke5cP
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zbduuc.exe -
Executes dropped EXE 1 IoCs
pid Process 4404 zbduuc.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /o" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /j" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /r" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /p" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /z" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /g" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /y" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /m" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /x" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /b" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /d" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /c" zbduuc.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /k" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /i" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /e" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /n" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /t" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /q" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /u" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /a" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /l" zbduuc.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /t" fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /s" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /h" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /v" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /f" zbduuc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbduuc = "C:\\Users\\Admin\\zbduuc.exe /w" zbduuc.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum zbduuc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 zbduuc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4844 fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe 4844 fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe 4404 zbduuc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4844 fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe 4404 zbduuc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4844 wrote to memory of 4404 4844 fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe 82 PID 4844 wrote to memory of 4404 4844 fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe 82 PID 4844 wrote to memory of 4404 4844 fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe"C:\Users\Admin\AppData\Local\Temp\fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Users\Admin\zbduuc.exe"C:\Users\Admin\zbduuc.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4404
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3432
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD5390882aa077d10e80d8f0778f6d727a4
SHA179b13e9bcbe12eb950cfbac6f4c1dd12287d613c
SHA256fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2
SHA512eebe70f0949daa9d0f2fd36b44a2455cfc30f4d7298075824b44b4f14419e76396737e44941067600211d210ffb2c2972799059d5830bb2f82eb5c95492be51a
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Filesize
224KB
MD5390882aa077d10e80d8f0778f6d727a4
SHA179b13e9bcbe12eb950cfbac6f4c1dd12287d613c
SHA256fae216618b89fd42fade08554294d593f2fe3864ad5751129e9d412855e73bb2
SHA512eebe70f0949daa9d0f2fd36b44a2455cfc30f4d7298075824b44b4f14419e76396737e44941067600211d210ffb2c2972799059d5830bb2f82eb5c95492be51a