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Analysis
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max time kernel
153s -
max time network
57s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 15:17
Static task
static1
Behavioral task
behavioral1
Sample
5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe
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Size
184KB
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MD5
a05c276308be85cf83c9203e1f913700
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SHA1
d877f37b3b626679c652cef69c5e89efbef303c6
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SHA256
5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8
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SHA512
5daab2daf74393ded5a9a4bd6d356c45b97f63eeca7b85f8c08c23b275a36cfed66a1ab3b78f6af0307f7f3fb7b1042f1d8c58b74d2010d3d70c34d04dc17cb9
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SSDEEP
3072:6DGXZ4xu7o897rl2Y4HpRSQ8nsl8Koay6VUSB:PGulF8HpRpAKoahVUs
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" 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bexas.exe -
Executes dropped EXE 1 IoCs
pid Process 1868 bexas.exe -
Loads dropped DLL 2 IoCs
pid Process 1720 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe 1720 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /w" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /q" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /r" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /r" 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /i" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /a" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /d" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /c" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /f" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /o" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /u" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /e" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /p" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /k" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /s" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /m" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /h" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /n" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /v" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /y" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /l" bexas.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /x" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /b" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /j" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /g" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /z" bexas.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bexas = "C:\\Users\\Admin\\bexas.exe /t" bexas.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 1720 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe 1868 bexas.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1720 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe 1868 bexas.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1868 1720 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe 27 PID 1720 wrote to memory of 1868 1720 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe 27 PID 1720 wrote to memory of 1868 1720 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe 27 PID 1720 wrote to memory of 1868 1720 5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.exe"C:\Users\Admin\AppData\Local\Temp\5b3030a61534330ecefb6b38f246d829af7223faac6e59b19421951a3b38f0b8.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:1720 -
C:\Users\Admin\bexas.exe"C:\Users\Admin\bexas.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:1868
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
184KB
MD50f3030d269e49fc93a9db3a64795204d
SHA1cec86a06de9e8d9ca5d38b20075ed2606a799097
SHA256fccfd858091a31e7b75309f812fe57b13d77e7455cf46bb5562515d0240fc4b9
SHA51235e623bf163e1bd5d030287a221bcb4248a4f63a0c5b4c36e975b9d185d0f5e1308fdc271657dc1491b1805284c02e576b137c49ca3dcae208d427554661126a
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Filesize
184KB
MD50f3030d269e49fc93a9db3a64795204d
SHA1cec86a06de9e8d9ca5d38b20075ed2606a799097
SHA256fccfd858091a31e7b75309f812fe57b13d77e7455cf46bb5562515d0240fc4b9
SHA51235e623bf163e1bd5d030287a221bcb4248a4f63a0c5b4c36e975b9d185d0f5e1308fdc271657dc1491b1805284c02e576b137c49ca3dcae208d427554661126a
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Filesize
184KB
MD50f3030d269e49fc93a9db3a64795204d
SHA1cec86a06de9e8d9ca5d38b20075ed2606a799097
SHA256fccfd858091a31e7b75309f812fe57b13d77e7455cf46bb5562515d0240fc4b9
SHA51235e623bf163e1bd5d030287a221bcb4248a4f63a0c5b4c36e975b9d185d0f5e1308fdc271657dc1491b1805284c02e576b137c49ca3dcae208d427554661126a
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Filesize
184KB
MD50f3030d269e49fc93a9db3a64795204d
SHA1cec86a06de9e8d9ca5d38b20075ed2606a799097
SHA256fccfd858091a31e7b75309f812fe57b13d77e7455cf46bb5562515d0240fc4b9
SHA51235e623bf163e1bd5d030287a221bcb4248a4f63a0c5b4c36e975b9d185d0f5e1308fdc271657dc1491b1805284c02e576b137c49ca3dcae208d427554661126a