Analysis
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max time kernel
175s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2022 10:52
Static task
static1
Behavioral task
behavioral1
Sample
7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe
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Size
104KB
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MD5
52589a646bbfb9983bc15e3fa62fef92
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SHA1
1f1249117a3de74722e0e1fd10cce4e674a03a74
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SHA256
7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9
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SHA512
81ec1fece594d30bd5f33d23dcff3b0eed137604bfa87cefc5cbf46c74f6a3091586ee7dfb1052d9d2a9b79b11b336246c765bf6436f590ab7e2a137fa154ac3
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SSDEEP
1536:T553fEQE9ZScK43sKeWjwJBAOs9G2HaQNsMj3i6E3j:F53fEQqkIsK0IHxN/Oj
Score
10/10
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" blbay.exe -
Executes dropped EXE 1 IoCs
pid Process 4920 blbay.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /a" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /h" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /e" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /x" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /o" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /m" 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /t" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /d" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /l" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /i" blbay.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /n" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /r" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /p" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /b" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /j" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /k" blbay.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /f" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /v" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /w" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /u" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /q" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /y" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /m" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /z" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /g" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /c" blbay.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blbay = "C:\\Users\\Admin\\blbay.exe /s" blbay.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 64 IoCs
pid Process 480 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe 480 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe 4920 blbay.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 480 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe 4920 blbay.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 480 wrote to memory of 4920 480 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe 80 PID 480 wrote to memory of 4920 480 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe 80 PID 480 wrote to memory of 4920 480 7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe"C:\Users\Admin\AppData\Local\Temp\7586b5f402f8553c8eddb8524c423c3d6c3561c9e97a8c34d0b696d5beb0dfe9.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:480 -
C:\Users\Admin\blbay.exe"C:\Users\Admin\blbay.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4920
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
104KB
MD5148a23bf7eb5ff0a326b0010b7361926
SHA1b312fc8715e50e223d4520fde7e1b180f40bacfd
SHA2562bf592df36b2468f65bfabb0f6aff33ff69c0ab955295b97048e0abac339e613
SHA5121be0f79399a7229c8c1f87f2d96c33b49d29467266e436e157a6ad33c88f612e0fd6a5a51f61d793510016784051bdd63686f632e81828e9014e3bbd4ace2fad
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Filesize
104KB
MD5148a23bf7eb5ff0a326b0010b7361926
SHA1b312fc8715e50e223d4520fde7e1b180f40bacfd
SHA2562bf592df36b2468f65bfabb0f6aff33ff69c0ab955295b97048e0abac339e613
SHA5121be0f79399a7229c8c1f87f2d96c33b49d29467266e436e157a6ad33c88f612e0fd6a5a51f61d793510016784051bdd63686f632e81828e9014e3bbd4ace2fad