Analysis
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max time kernel
150s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11-10-2022 09:45
Static task
static1
Behavioral task
behavioral1
Sample
3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe
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Size
148KB
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MD5
62166b8289a621073570fb8e5a724fe8
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SHA1
ef098429eb441544b9b76d061d5451a66a571c17
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SHA256
3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b
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SHA512
a00a0c46dc64c47bb81aa8734ed6796118c73977a24eead3c25b3740f897f000b76aa709c2d3f0609887b37b43792114c76094365413126c67bc65ae71119653
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SSDEEP
1536:PieaxAhE1SV++mRR0cL+iOJsz5czE4M52BoSHvSC3T4Gx4Mgkt+:yl1rZRRTLz5cg4aNo+
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" blyeam.exe -
Executes dropped EXE 1 IoCs
pid Process 912 blyeam.exe -
Loads dropped DLL 2 IoCs
pid Process 900 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe 900 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /w" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /h" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /k" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /z" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /t" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /t" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /c" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /p" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /g" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /v" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /k" 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /y" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /e" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /j" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /a" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /b" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /z" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /f" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /r" blyeam.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /o" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /n" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /v" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /h" blyeam.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /x" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /p" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /c" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /w" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /e" blyeam.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /p" 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /f" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /g" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /y" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /a" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /l" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /o" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /q" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /u" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /l" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /d" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /b" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /n" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /u" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /i" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /i" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /m" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /r" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /q" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /j" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /s" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /s" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /k" blyeam.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /m" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /x" blyeam.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\blyeam = "C:\\Users\\Admin\\blyeam.exe /d" blyeam.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 900 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe 912 blyeam.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 900 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe 912 blyeam.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 900 wrote to memory of 912 900 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe 27 PID 900 wrote to memory of 912 900 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe 27 PID 900 wrote to memory of 912 900 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe 27 PID 900 wrote to memory of 912 900 3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe"C:\Users\Admin\AppData\Local\Temp\3043dd75f4ceadf444041aa065de9774d12c6ec9bef0340605bd87cca937b90b.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Users\Admin\blyeam.exe"C:\Users\Admin\blyeam.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:912
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
148KB
MD53da9d45dc385ed6afc2030cd513a3545
SHA10d45c781bb2ca657d0f0bbd5ed82914c0405cd10
SHA256c87acc12efca8da0025fab4bedcb4b204462e5649c3f3746f45c6fadd4cddac0
SHA5123dbe52295d07cf622b71ec2329a49fea8725336958a3d9c93d3a17d5213071b543290852a3cbd89659f6fdb0191fbbba2bae37e9cc1c5e336a45bc9e377f43bf
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Filesize
148KB
MD53da9d45dc385ed6afc2030cd513a3545
SHA10d45c781bb2ca657d0f0bbd5ed82914c0405cd10
SHA256c87acc12efca8da0025fab4bedcb4b204462e5649c3f3746f45c6fadd4cddac0
SHA5123dbe52295d07cf622b71ec2329a49fea8725336958a3d9c93d3a17d5213071b543290852a3cbd89659f6fdb0191fbbba2bae37e9cc1c5e336a45bc9e377f43bf
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Filesize
148KB
MD53da9d45dc385ed6afc2030cd513a3545
SHA10d45c781bb2ca657d0f0bbd5ed82914c0405cd10
SHA256c87acc12efca8da0025fab4bedcb4b204462e5649c3f3746f45c6fadd4cddac0
SHA5123dbe52295d07cf622b71ec2329a49fea8725336958a3d9c93d3a17d5213071b543290852a3cbd89659f6fdb0191fbbba2bae37e9cc1c5e336a45bc9e377f43bf
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Filesize
148KB
MD53da9d45dc385ed6afc2030cd513a3545
SHA10d45c781bb2ca657d0f0bbd5ed82914c0405cd10
SHA256c87acc12efca8da0025fab4bedcb4b204462e5649c3f3746f45c6fadd4cddac0
SHA5123dbe52295d07cf622b71ec2329a49fea8725336958a3d9c93d3a17d5213071b543290852a3cbd89659f6fdb0191fbbba2bae37e9cc1c5e336a45bc9e377f43bf