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Analysis
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max time kernel
151s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 23:38
Static task
static1
Behavioral task
behavioral1
Sample
8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe
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Size
172KB
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MD5
4bb44612a6f7c56bfe53263796864eef
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SHA1
f96eda5de67fe98891c0d054d166607ab844416b
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SHA256
8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b
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SHA512
67aab9776a108297bb4cf4e33749bfcc96d55c73226270fe489a9340a485f5cb41402b8720a0a6af35aa7e9ea514576fd9b824d99b3700eef45ad370209f12f6
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SSDEEP
3072:OChDLsNgqu3muDOqkVfbX936NDoZq4rvKyGXi:1DLsNgb3muDOqkpbX937Zq4ryi
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" hequk.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe -
Executes dropped EXE 1 IoCs
pid Process 848 hequk.exe -
Loads dropped DLL 2 IoCs
pid Process 1084 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe 1084 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.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\hequk = "C:\\Users\\Admin\\hequk.exe /a" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /l" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /o" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /k" hequk.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /s" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /n" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /d" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /s" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /f" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /w" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /u" 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /m" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /f" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /v" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /c" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /l" 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /n" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /w" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /u" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /i" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /y" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /t" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /r" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /p" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /e" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /b" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /c" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /g" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /d" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /b" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /h" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /m" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /q" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /z" hequk.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /x" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /z" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /u" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /x" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /g" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /y" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /p" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /j" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /o" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /j" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /l" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /i" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /e" hequk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /q" hequk.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /t" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /r" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /a" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /v" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /k" hequk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hequk = "C:\\Users\\Admin\\hequk.exe /h" hequk.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 1084 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe 848 hequk.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 848 hequk.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1084 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe 848 hequk.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1084 wrote to memory of 848 1084 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe 27 PID 1084 wrote to memory of 848 1084 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe 27 PID 1084 wrote to memory of 848 1084 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe 27 PID 1084 wrote to memory of 848 1084 8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.exe"C:\Users\Admin\AppData\Local\Temp\8620d9f66b7e5e3973f9879986ec537f8d71f7d5b75bbdd8cf3963ed467a766b.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:1084 -
C:\Users\Admin\hequk.exe"C:\Users\Admin\hequk.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:848
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
172KB
MD58a12b0cc9ce8c6d89c7cc4cc4c8d6c82
SHA16bd2e9346b014ea00aa45a41e39908f7acf3f93e
SHA2564f65afbfd6a5f031fb0c6ba97d1a949679fb992eacca80d491cc44fe9e43a703
SHA5122e7d42a3462f7c6967849c372498d076cbf6172cec9cbb30f6f88175870e44a561ef2e2c9fbc8f7da64d46344f6ee15fb7c69e4d209540f101c24c3deadc26de
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Filesize
172KB
MD58a12b0cc9ce8c6d89c7cc4cc4c8d6c82
SHA16bd2e9346b014ea00aa45a41e39908f7acf3f93e
SHA2564f65afbfd6a5f031fb0c6ba97d1a949679fb992eacca80d491cc44fe9e43a703
SHA5122e7d42a3462f7c6967849c372498d076cbf6172cec9cbb30f6f88175870e44a561ef2e2c9fbc8f7da64d46344f6ee15fb7c69e4d209540f101c24c3deadc26de
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Filesize
172KB
MD58a12b0cc9ce8c6d89c7cc4cc4c8d6c82
SHA16bd2e9346b014ea00aa45a41e39908f7acf3f93e
SHA2564f65afbfd6a5f031fb0c6ba97d1a949679fb992eacca80d491cc44fe9e43a703
SHA5122e7d42a3462f7c6967849c372498d076cbf6172cec9cbb30f6f88175870e44a561ef2e2c9fbc8f7da64d46344f6ee15fb7c69e4d209540f101c24c3deadc26de
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Filesize
172KB
MD58a12b0cc9ce8c6d89c7cc4cc4c8d6c82
SHA16bd2e9346b014ea00aa45a41e39908f7acf3f93e
SHA2564f65afbfd6a5f031fb0c6ba97d1a949679fb992eacca80d491cc44fe9e43a703
SHA5122e7d42a3462f7c6967849c372498d076cbf6172cec9cbb30f6f88175870e44a561ef2e2c9fbc8f7da64d46344f6ee15fb7c69e4d209540f101c24c3deadc26de