Analysis
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max time kernel
188s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
28-11-2022 02:02
Static task
static1
Behavioral task
behavioral1
Sample
6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe
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Size
204KB
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MD5
1b67f5e624133c2527de76754a452467
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SHA1
34d9d21af4e1edad2910d393602e213b36cdc78c
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SHA256
6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01
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SHA512
5b5dcd2ba9c9b32bafedba0da34af1be7a1222b984f5c1c05f95c8b5e55ceb3fe9e2b3bfdda3b328f42447943e9e7d760857e71e0b03b90493a84da657eb6c02
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SSDEEP
3072:XmhW8Y0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWa2N:WQX4QxL7B9W0c1RCzR/fSmlw
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" 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mkbax.exe -
Executes dropped EXE 1 IoCs
pid Process 1692 mkbax.exe -
Loads dropped DLL 2 IoCs
pid Process 1968 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe 1968 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /c" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /d" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /i" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /n" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /y" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /o" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /x" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /j" 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /v" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /w" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /f" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /q" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /e" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /k" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /t" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /m" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /h" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /a" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /p" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /j" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /g" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /s" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /l" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /r" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /z" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /u" mkbax.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mkbax = "C:\\Users\\Admin\\mkbax.exe /b" mkbax.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 1968 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe 1692 mkbax.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1968 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe 1692 mkbax.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1968 wrote to memory of 1692 1968 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe 27 PID 1968 wrote to memory of 1692 1968 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe 27 PID 1968 wrote to memory of 1692 1968 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe 27 PID 1968 wrote to memory of 1692 1968 6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.exe"C:\Users\Admin\AppData\Local\Temp\6cc310ee0e58be8d0ec8f6b47341299cb3ce7722fdb3240bc17349625125bb01.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:1968 -
C:\Users\Admin\mkbax.exe"C:\Users\Admin\mkbax.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:1692
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD5beff86f5d8571e3de5f9ceeb50d0f283
SHA1d4cf417e8a620043f732ae614db3d70d1587be3c
SHA2562a77aecb3bce776f60268a5873d4719799f6687d207ccb07ddccb800003a7b0b
SHA5121b76665a7b556d4ae90306543fc61c049905c4820c38102c0283a5f683004155b5b215a22cb2163efb7501558da6ba9cd1ce1a8cc203e7cc3f6315a89800059b
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Filesize
204KB
MD5beff86f5d8571e3de5f9ceeb50d0f283
SHA1d4cf417e8a620043f732ae614db3d70d1587be3c
SHA2562a77aecb3bce776f60268a5873d4719799f6687d207ccb07ddccb800003a7b0b
SHA5121b76665a7b556d4ae90306543fc61c049905c4820c38102c0283a5f683004155b5b215a22cb2163efb7501558da6ba9cd1ce1a8cc203e7cc3f6315a89800059b
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Filesize
204KB
MD5beff86f5d8571e3de5f9ceeb50d0f283
SHA1d4cf417e8a620043f732ae614db3d70d1587be3c
SHA2562a77aecb3bce776f60268a5873d4719799f6687d207ccb07ddccb800003a7b0b
SHA5121b76665a7b556d4ae90306543fc61c049905c4820c38102c0283a5f683004155b5b215a22cb2163efb7501558da6ba9cd1ce1a8cc203e7cc3f6315a89800059b
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Filesize
204KB
MD5beff86f5d8571e3de5f9ceeb50d0f283
SHA1d4cf417e8a620043f732ae614db3d70d1587be3c
SHA2562a77aecb3bce776f60268a5873d4719799f6687d207ccb07ddccb800003a7b0b
SHA5121b76665a7b556d4ae90306543fc61c049905c4820c38102c0283a5f683004155b5b215a22cb2163efb7501558da6ba9cd1ce1a8cc203e7cc3f6315a89800059b