Analysis
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max time kernel
81s -
max time network
104s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
05/11/2022, 17:10
Static task
static1
Behavioral task
behavioral1
Sample
2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe
Resource
win10-20220812-en
General
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Target
2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe
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Size
1.3MB
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MD5
b4ff2709a885a3153e9f2d4e4e7594af
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SHA1
cef1accb9764ff389d54ba27fa1b51bb32de6ec5
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SHA256
2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485
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SHA512
661fcca53566791877cdc696e6ff1b329a01fc26f228ffedf5443af0c1b2ee4f44caf5eaedf9e92ad6843d6fbbdbcb2ea1dec7dcdf11600e40c40358f5ac0ab7
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SSDEEP
24576:mp4MImR+4h0amz+paNf89ls6Qm5lsnvBxLFQntQO/oDsSr+9:ynRzh0amzQls6QqinvThTOQAj9
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 3 5040 rundll32.exe 5 5040 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2300 set thread context of 2452 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 67 -
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
pid pid_target Process procid_target 1688 2300 WerFault.exe 65 -
Checks processor information in registry 2 TTPs 44 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2452 rundll32.exe 2452 rundll32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2452 rundll32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 5040 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 66 PID 2300 wrote to memory of 2452 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 67 PID 2300 wrote to memory of 2452 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 67 PID 2300 wrote to memory of 2452 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 67 PID 2300 wrote to memory of 2452 2300 2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe 67
Processes
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C:\Users\Admin\AppData\Local\Temp\2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe"C:\Users\Admin\AppData\Local\Temp\2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe"1⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\syswow64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
PID:5040
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C:\Windows\syswow64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:2452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 9562⤵
- Program crash
PID:1688
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.5MB
MD5a7d875022bb5e3a34d034b947003d1b3
SHA15905ca93fea101ce80e5bf8925eb2a7eec1e333d
SHA256bcdf4c540c4289f81c98448d0a4482a96522fb767ab6015e76288afce148226a
SHA512f2b78a100cf0fa84909629b892e548d7ef9797621623a96aa75f15241d7350eecca117c3793056c30dc317ade8ecc0023c2b875516d9c25ac9bb0d880bb3149a