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Analysis
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max time kernel
156s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 07:30
Behavioral task
behavioral1
Sample
85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
General
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Target
85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe
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Size
298KB
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MD5
6e9cdc0efec19ff6fb0f6cb52ad25da0
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SHA1
5c1dceb6a99fcc322d9efb4377c0b65725bcef52
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SHA256
85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145
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SHA512
2094aaa7f0aebed0a24b427419a2439db84e6e73242902360ec17164efd29b5d3bd4b75a5b6e9fe9f5daa1bbfccc23b946e8a4be2c85a68ff9c99cfec4e3c831
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SSDEEP
6144:suIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYz:H6Wq4aaE6KwyF5L0Y2D1PqLk
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 4316 svhost.exe -
resource yara_rule behavioral2/memory/4752-132-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/files/0x0006000000022db6-134.dat upx behavioral2/files/0x0006000000022db6-135.dat upx behavioral2/memory/4316-136-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4752-137-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4316-138-0x0000000000400000-0x00000000004C2000-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) \??\b: svhost.exe File opened (read-only) \??\e: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\l: svhost.exe File opened (read-only) \??\o: svhost.exe File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\z: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\q: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\a: svhost.exe File opened (read-only) \??\f: svhost.exe File opened (read-only) \??\j: svhost.exe File opened (read-only) \??\k: svhost.exe File opened (read-only) \??\v: svhost.exe File opened (read-only) \??\w: svhost.exe File opened (read-only) \??\x: svhost.exe File opened (read-only) \??\y: svhost.exe -
AutoIT Executable 3 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4316-136-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4752-137-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4316-138-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svhost.exe 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe File opened for modification C:\Windows\Driver.db svhost.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 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4316 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe 4316 svhost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4752 wrote to memory of 4316 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 84 PID 4752 wrote to memory of 4316 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 84 PID 4752 wrote to memory of 4316 4752 85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe"C:\Users\Admin\AppData\Local\Temp\85baadad3c48a2c19164a1e3a9f28f7b7cdbe8955d981e0c8ab2e0c064d78145.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4752 -
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:4316
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
298KB
MD5e72daa71c94fd034e4b293c8b03f8aac
SHA1d5a34a9ac2566d75f89148ff71f4a000f70dadb7
SHA2560261f240b5a682a989cd87fe4e18dcbe69a8c16b39de433d39b4c58e7705720d
SHA512f54e64b0afa5e12f6413529e4db98d6a6a8fb8f45ec321146938ec30d968ae4268ba06725c9d5f61898d163dad615991bfe930398a7782662a093b19cf6a2576
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Filesize
298KB
MD5e72daa71c94fd034e4b293c8b03f8aac
SHA1d5a34a9ac2566d75f89148ff71f4a000f70dadb7
SHA2560261f240b5a682a989cd87fe4e18dcbe69a8c16b39de433d39b4c58e7705720d
SHA512f54e64b0afa5e12f6413529e4db98d6a6a8fb8f45ec321146938ec30d968ae4268ba06725c9d5f61898d163dad615991bfe930398a7782662a093b19cf6a2576