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Analysis
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max time kernel
153s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 13:11
Behavioral task
behavioral1
Sample
00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
General
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Target
00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe
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Size
298KB
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MD5
de3e9d2d4a4ca61d1a0d670bb9d1be3f
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SHA1
63118fde278e50abec0b55721ed344245dc2512d
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SHA256
00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b
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SHA512
c418587f5e1c3b9968487ceb01a1406344449502483bee54d477aa64ffa477c530ce83f9ebc34a416f1117b1a4adb29265fd6f403b4b263e91d1af5be0a54ae8
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SSDEEP
6144:tuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIY4:A6Wq4aaE6KwyF5L0Y2D1PqLb
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 3756 svhost.exe -
resource yara_rule behavioral2/memory/1144-132-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/files/0x000c000000022f6c-134.dat upx behavioral2/files/0x000c000000022f6c-135.dat upx behavioral2/memory/3756-136-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/1144-137-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/3756-138-0x0000000000400000-0x00000000004C2000-memory.dmp upx -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\k: svhost.exe File opened (read-only) \??\o: svhost.exe File opened (read-only) \??\q: svhost.exe File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\z: svhost.exe File opened (read-only) \??\a: svhost.exe File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\j: svhost.exe File opened (read-only) \??\y: svhost.exe File opened (read-only) \??\f: svhost.exe File opened (read-only) \??\e: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\b: svhost.exe File opened (read-only) \??\w: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\v: svhost.exe File opened (read-only) \??\x: svhost.exe File opened (read-only) \??\l: svhost.exe -
AutoIT Executable 3 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/3756-136-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/1144-137-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/3756-138-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Driver.db svhost.exe File created C:\Windows\svhost.exe 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3756 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 3756 svhost.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe 3756 svhost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1144 wrote to memory of 3756 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 81 PID 1144 wrote to memory of 3756 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 81 PID 1144 wrote to memory of 3756 1144 00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe"C:\Users\Admin\AppData\Local\Temp\00805451a8d49679b989269df9172452f497f967cb904c2b4758825dcef24f8b.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\svhost.exeC:\Windows\svhost.exe2⤵
- Modifies visibility of file extensions in Explorer
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3756
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
298KB
MD51dcebc7d9f0be47001f421855943fb22
SHA1bc1de768dd081909383b1f16ed1f4e70aa6aeaa9
SHA256788e2d7cf9cb919c59aa0469a0133d976b80903ded09bb970c4bf77f5d8252d1
SHA5127626b429c9d9c32aa6a71d36b51068eb246bdf73941206065760376c0eda4e5dc18567457a717bfce35ab3af1c38aa57c232d3763ce74c2daf30b2c2e3f615f8
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Filesize
298KB
MD51dcebc7d9f0be47001f421855943fb22
SHA1bc1de768dd081909383b1f16ed1f4e70aa6aeaa9
SHA256788e2d7cf9cb919c59aa0469a0133d976b80903ded09bb970c4bf77f5d8252d1
SHA5127626b429c9d9c32aa6a71d36b51068eb246bdf73941206065760376c0eda4e5dc18567457a717bfce35ab3af1c38aa57c232d3763ce74c2daf30b2c2e3f615f8