Analysis
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max time kernel
150s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-10-2022 23:54
Static task
static1
Behavioral task
behavioral1
Sample
f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe
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Size
240KB
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MD5
93c36d046d631942a2c2e787b1cb495e
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SHA1
ace2a91de64b94a08c665e51d2ab71423fc23b98
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SHA256
f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f
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SHA512
415fa35558a30a16e28484cee430b39f39cc6b0fc625de8cba8223fa50d433568acaa43482949ad5cee27ff6358fef9c31e471b1bcf0653b665850c18f893cff
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SSDEEP
6144:Ce3dwqsNTNEXGlQRayEqxF6snji81RUinKq3aEEDliDA3:CMdQKj3aEEwE
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" f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" niiiki.exe -
Executes dropped EXE 1 IoCs
pid Process 576 niiiki.exe -
Loads dropped DLL 2 IoCs
pid Process 1928 f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe 1928 f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /r" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /v" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /g" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /m" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /s" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /y" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /q" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /a" f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /u" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /e" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /z" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /i" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /j" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /d" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /l" niiiki.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /f" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /b" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /t" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /w" niiiki.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /p" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /o" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /x" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /h" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /c" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /a" niiiki.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\niiiki = "C:\\Users\\Admin\\niiiki.exe /n" niiiki.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 1928 f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe 576 niiiki.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1928 f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe 576 niiiki.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1928 wrote to memory of 576 1928 f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe 26 PID 1928 wrote to memory of 576 1928 f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe 26 PID 1928 wrote to memory of 576 1928 f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe 26 PID 1928 wrote to memory of 576 1928 f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.exe"C:\Users\Admin\AppData\Local\Temp\f5ffd8ba975a1fc90bf2a5eb896b5679849a8649e4c5adf03c6c79a311561f2f.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:1928 -
C:\Users\Admin\niiiki.exe"C:\Users\Admin\niiiki.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:576
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
240KB
MD5f29c98d80ec7a3efbc1dafdd9a62f3d4
SHA15d22bd62a9cbbb3b895d35b0f56a2041a01069af
SHA25692f4f8f40432518fbf00cfcba1b48fe225f45aa49b619cb7baaef62a8bc6cf5e
SHA512325935c1fc5c1cdabd5b7da425ce9782eabb3892674302a7f729c4aed46c7409ca6954c762e8dca7539a67e61ee234bfdd87ac4b523de7f68294b872bfdd253a
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Filesize
240KB
MD5f29c98d80ec7a3efbc1dafdd9a62f3d4
SHA15d22bd62a9cbbb3b895d35b0f56a2041a01069af
SHA25692f4f8f40432518fbf00cfcba1b48fe225f45aa49b619cb7baaef62a8bc6cf5e
SHA512325935c1fc5c1cdabd5b7da425ce9782eabb3892674302a7f729c4aed46c7409ca6954c762e8dca7539a67e61ee234bfdd87ac4b523de7f68294b872bfdd253a
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Filesize
240KB
MD5f29c98d80ec7a3efbc1dafdd9a62f3d4
SHA15d22bd62a9cbbb3b895d35b0f56a2041a01069af
SHA25692f4f8f40432518fbf00cfcba1b48fe225f45aa49b619cb7baaef62a8bc6cf5e
SHA512325935c1fc5c1cdabd5b7da425ce9782eabb3892674302a7f729c4aed46c7409ca6954c762e8dca7539a67e61ee234bfdd87ac4b523de7f68294b872bfdd253a
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Filesize
240KB
MD5f29c98d80ec7a3efbc1dafdd9a62f3d4
SHA15d22bd62a9cbbb3b895d35b0f56a2041a01069af
SHA25692f4f8f40432518fbf00cfcba1b48fe225f45aa49b619cb7baaef62a8bc6cf5e
SHA512325935c1fc5c1cdabd5b7da425ce9782eabb3892674302a7f729c4aed46c7409ca6954c762e8dca7539a67e61ee234bfdd87ac4b523de7f68294b872bfdd253a