Analysis
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max time kernel
151s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2022 00:26
Static task
static1
Behavioral task
behavioral1
Sample
d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe
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Size
140KB
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MD5
3193db93a537528782b1ba428b370980
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SHA1
7271acf3a4accdd81749a9015d0a42b28a3d717b
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SHA256
d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6
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SHA512
4500ebb4e1e99885d106fd3260553db1ad9da9e47fa5c926ce37178895d1c9582400b9a40090b60a49c49dd260230d93f076065be1cdfaf2e14085778488a3e6
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SSDEEP
1536:f+NQe6VtKycXYAcANSU+MNG5ipzqNbCa34YaI77UsMJn1ogCnzqLcTJLO01DvqKF:IZeKyEYnAz4R77UsMJn1oyfG+gx
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cepez.exe -
Executes dropped EXE 1 IoCs
pid Process 1920 cepez.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /o" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /d" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /b" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /r" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /u" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /g" cepez.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /h" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /l" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /q" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /c" d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /s" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /y" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /f" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /z" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /n" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /e" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /x" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /k" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /p" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /j" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /m" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /c" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /i" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /v" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /t" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /a" cepez.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cepez = "C:\\Users\\Admin\\cepez.exe /w" cepez.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 4832 d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe 4832 d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe 1920 cepez.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4832 d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe 4832 d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe 1920 cepez.exe 1920 cepez.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4832 wrote to memory of 1920 4832 d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe 81 PID 4832 wrote to memory of 1920 4832 d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe 81 PID 4832 wrote to memory of 1920 4832 d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.exe"C:\Users\Admin\AppData\Local\Temp\d05d40d34639e9a5d782cf87d5c7117ff2496fd69648f9ccfe999cdb0d6617b6.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:4832 -
C:\Users\Admin\cepez.exe"C:\Users\Admin\cepez.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:1920
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
140KB
MD5c1354aed25c51c56f0d726d6600a4a28
SHA1726c044faf2d27799ee005ed8a0db7504c87df13
SHA256720a68754c5e522e0c7deaef9dfe503cb64b0d7dbeb92d3af357a26857c6ba11
SHA512eaf5d3b62709fd43e784f892c3134765e4a5bd1ba85384da6991edc2a4e7fe5b2635beee272a2334b86ba44c8d837e18aefda7f6e8be043b8557bd25296c560b
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Filesize
140KB
MD5c1354aed25c51c56f0d726d6600a4a28
SHA1726c044faf2d27799ee005ed8a0db7504c87df13
SHA256720a68754c5e522e0c7deaef9dfe503cb64b0d7dbeb92d3af357a26857c6ba11
SHA512eaf5d3b62709fd43e784f892c3134765e4a5bd1ba85384da6991edc2a4e7fe5b2635beee272a2334b86ba44c8d837e18aefda7f6e8be043b8557bd25296c560b