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Analysis
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max time kernel
82s -
max time network
89s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 18:49
Static task
static1
Behavioral task
behavioral1
Sample
edfdbb51b924bc503979764a107a6b21.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
edfdbb51b924bc503979764a107a6b21.exe
Resource
win10v2004-20220901-en
General
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Target
edfdbb51b924bc503979764a107a6b21.exe
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Size
1.3MB
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MD5
edfdbb51b924bc503979764a107a6b21
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SHA1
d5aee7e8fa1c8409df3f8680bd0838e340b02919
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SHA256
299f163bfa323164ca2db712eb788d8b71f7c1b7197aed20e23409368f5d9eed
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SHA512
0f6a429fe18337890e8445e43bc826c428af256d2691a72701a4a8e4f943943d25b2dcc3ed36a3fd10ffcc8f1609dd1fec3045527c9ee6d118138ec1386aee4d
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SSDEEP
24576:KWkI3RbidB+WwCUENepvtCKxGqSMntHnaoyKmQrLL/7hZSqpzyn1IvQqFRM:KZXOWw3XpvcahRnbuQnL/CqpG13ORM
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 2 748 rundll32.exe 5 748 rundll32.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1644 set thread context of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 808 set thread context of 1700 808 rundll32.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 38 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier edfdbb51b924bc503979764a107a6b21.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Signature edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform ID rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform ID edfdbb51b924bc503979764a107a6b21.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier edfdbb51b924bc503979764a107a6b21.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data edfdbb51b924bc503979764a107a6b21.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor edfdbb51b924bc503979764a107a6b21.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor edfdbb51b924bc503979764a107a6b21.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\Previous Update Signature rundll32.exe -
Modifies registry class 24 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = 00000000ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 = 4c003100000000000000000010004c6f63616c00380008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = 00000000ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0 = 4a0031000000000000000000102054656d700000360008000400efbe00000000000000002a00000000000000000000000000000000000000000000000000540065006d007000000014000000 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\MRUListEx = 00000000ffffffff rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 = 7e0074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f3c0008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 14001f44471a0359723fa74489c55595fe6b30ee0000 rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 rundll32.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\NodeSlot = "2" rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\MRUListEx = ffffffff rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 808 rundll32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 808 rundll32.exe 1700 rundll32.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 748 1644 edfdbb51b924bc503979764a107a6b21.exe 28 PID 1644 wrote to memory of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 1644 wrote to memory of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 1644 wrote to memory of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 1644 wrote to memory of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 1644 wrote to memory of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 1644 wrote to memory of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 1644 wrote to memory of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 1644 wrote to memory of 808 1644 edfdbb51b924bc503979764a107a6b21.exe 31 PID 808 wrote to memory of 1700 808 rundll32.exe 32 PID 808 wrote to memory of 1700 808 rundll32.exe 32 PID 808 wrote to memory of 1700 808 rundll32.exe 32 PID 808 wrote to memory of 1700 808 rundll32.exe 32 PID 808 wrote to memory of 1700 808 rundll32.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\edfdbb51b924bc503979764a107a6b21.exe"C:\Users\Admin\AppData\Local\Temp\edfdbb51b924bc503979764a107a6b21.exe"1⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\syswow64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Blocklisted process makes network request
PID:748
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C:\Windows\syswow64\rundll32.exe"C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#612⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 204093⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:1700
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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