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Analysis
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max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 22:34
Static task
static1
Behavioral task
behavioral1
Sample
d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe
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Size
80KB
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MD5
c13a226d71f4850a86798b7bc6ec1873
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SHA1
8b8c607e9632f43b75d8a5c0b749aa5c9b08a556
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SHA256
d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f
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SHA512
d5b6b6243e87da19e4e8bebd6220f4d08368bdc2957036ba345600da8867024e1ea6eb9af9eb0126d0f64ebced3ba20f11b2e9cb104c44d6abe814ee95cc3154
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SSDEEP
1536:XIdqG6g7LWnICOqubrzocTzFJ0T72VpGT:e6dIVqgBTzFJ0T72aT
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" hdkor.exe -
Executes dropped EXE 1 IoCs
pid Process 1680 hdkor.exe -
Loads dropped DLL 2 IoCs
pid Process 2032 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 2032 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /y" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /c" hdkor.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /f" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /e" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /a" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /q" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /d" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /g" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /k" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /r" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /b" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /u" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /l" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /o" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /i" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /w" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /h" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /n" d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /j" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /n" hdkor.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /m" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /t" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /v" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /p" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /s" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /z" hdkor.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\hdkor = "C:\\Users\\Admin\\hdkor.exe /x" hdkor.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 2032 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe 1680 hdkor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2032 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 1680 hdkor.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2032 wrote to memory of 1680 2032 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 27 PID 2032 wrote to memory of 1680 2032 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 27 PID 2032 wrote to memory of 1680 2032 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 27 PID 2032 wrote to memory of 1680 2032 d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.exe"C:\Users\Admin\AppData\Local\Temp\d5867699ef8446d42faecc3b75eacc232287148f2f0f33f3b5ef37d71acedf8f.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:2032 -
C:\Users\Admin\hdkor.exe"C:\Users\Admin\hdkor.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:1680
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
80KB
MD55829bb6333d18e0a76d100a6b3cb0e7f
SHA1a6909a5e300a2fb1bd48bccffa0d3db1d290a3a8
SHA256853745eaf668a246f6aa7580ade59e06dc4966998f8a4bebe60abaff403a9023
SHA512132be47e29a16b610bee5d249b423da259f9aa27435f05ad9ecc149a9143d562cc1eacf6591b7571c6772d5d89119d0bc0d14b7395dfe0670469a724123d0556
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Filesize
80KB
MD55829bb6333d18e0a76d100a6b3cb0e7f
SHA1a6909a5e300a2fb1bd48bccffa0d3db1d290a3a8
SHA256853745eaf668a246f6aa7580ade59e06dc4966998f8a4bebe60abaff403a9023
SHA512132be47e29a16b610bee5d249b423da259f9aa27435f05ad9ecc149a9143d562cc1eacf6591b7571c6772d5d89119d0bc0d14b7395dfe0670469a724123d0556
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Filesize
80KB
MD55829bb6333d18e0a76d100a6b3cb0e7f
SHA1a6909a5e300a2fb1bd48bccffa0d3db1d290a3a8
SHA256853745eaf668a246f6aa7580ade59e06dc4966998f8a4bebe60abaff403a9023
SHA512132be47e29a16b610bee5d249b423da259f9aa27435f05ad9ecc149a9143d562cc1eacf6591b7571c6772d5d89119d0bc0d14b7395dfe0670469a724123d0556
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Filesize
80KB
MD55829bb6333d18e0a76d100a6b3cb0e7f
SHA1a6909a5e300a2fb1bd48bccffa0d3db1d290a3a8
SHA256853745eaf668a246f6aa7580ade59e06dc4966998f8a4bebe60abaff403a9023
SHA512132be47e29a16b610bee5d249b423da259f9aa27435f05ad9ecc149a9143d562cc1eacf6591b7571c6772d5d89119d0bc0d14b7395dfe0670469a724123d0556