Analysis
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max time kernel
161s -
max time network
186s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 00:23
Static task
static1
Behavioral task
behavioral1
Sample
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe
Resource
win10v2004-20220901-en
General
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Target
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe
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Size
128KB
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MD5
2ab1b19ae34c99354bab69025bf5f3a0
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SHA1
91bc941313140c00eaead07f799f312eee5bc82d
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SHA256
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422
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SHA512
43438cfd47f5412158e9bb5ab79bd3220bf47f4f6b3fbb19c76160253089cd9142c89b06e19e6b0e8a7e07e374ffdb1768030a27a5725af36289421beb82b7e3
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SSDEEP
1536:G7kkbuIXVHKTU097h9QKz7SFlc4IE3IezPoVtTqtFyUoHnkHUS65BciuJ3mnXYt:akkbugKTU0bGKXmWAojqbdBJ2It
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exefhmuap.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fhmuap.exe -
Executes dropped EXE 1 IoCs
Processes:
fhmuap.exepid process 2000 fhmuap.exe -
Loads dropped DLL 2 IoCs
Processes:
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exepid process 2036 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe 2036 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe -
Adds Run key to start application 2 TTPs 58 IoCs
Processes:
fhmuap.exe4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /s" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /x" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /v" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /y" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /j" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /p" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /e" fhmuap.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /j" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /t" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /d" 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /d" 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /s" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /u" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /f" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /n" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /d" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /a" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /b" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /c" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /u" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /i" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /w" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /z" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /c" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /q" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /z" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /t" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /m" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /r" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /k" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /p" fhmuap.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /g" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /r" fhmuap.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /l" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /i" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /o" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /d" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /n" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /h" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /h" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /o" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /m" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /v" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /g" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /k" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /y" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /e" fhmuap.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /f" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /x" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /a" fhmuap.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /l" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /q" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /b" fhmuap.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fhmuap = "C:\\Users\\Admin\\fhmuap.exe /w" fhmuap.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
Processes:
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exefhmuap.exepid process 2036 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe 2000 fhmuap.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exefhmuap.exepid process 2036 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe 2000 fhmuap.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exedescription pid process target process PID 2036 wrote to memory of 2000 2036 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe fhmuap.exe PID 2036 wrote to memory of 2000 2036 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe fhmuap.exe PID 2036 wrote to memory of 2000 2036 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe fhmuap.exe PID 2036 wrote to memory of 2000 2036 4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe fhmuap.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.exe"C:\Users\Admin\AppData\Local\Temp\4758ce7fdf81da687b6cea9748f45fa3f31b5d9c11b4bc886dc389149b25c422.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:2036 -
C:\Users\Admin\fhmuap.exe"C:\Users\Admin\fhmuap.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:2000
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
128KB
MD56d99775418465a06d6be9de94502086d
SHA14c15e68d9e3228d19f4364fef2f33d373aaf9b52
SHA256df6d941907d0dcc754b5190939c92acbc2b1777ac3490c6dd9b50ba99219b2e2
SHA512fc24326b54acfe19ce28c4939b0b3eb57e7d1261ac86376a1f008e0d76db80da3959407666dd1d35e0c8cd97e12405656d2a81ce0412f62ee69064b96305c575
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Filesize
128KB
MD56d99775418465a06d6be9de94502086d
SHA14c15e68d9e3228d19f4364fef2f33d373aaf9b52
SHA256df6d941907d0dcc754b5190939c92acbc2b1777ac3490c6dd9b50ba99219b2e2
SHA512fc24326b54acfe19ce28c4939b0b3eb57e7d1261ac86376a1f008e0d76db80da3959407666dd1d35e0c8cd97e12405656d2a81ce0412f62ee69064b96305c575
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Filesize
128KB
MD56d99775418465a06d6be9de94502086d
SHA14c15e68d9e3228d19f4364fef2f33d373aaf9b52
SHA256df6d941907d0dcc754b5190939c92acbc2b1777ac3490c6dd9b50ba99219b2e2
SHA512fc24326b54acfe19ce28c4939b0b3eb57e7d1261ac86376a1f008e0d76db80da3959407666dd1d35e0c8cd97e12405656d2a81ce0412f62ee69064b96305c575
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Filesize
128KB
MD56d99775418465a06d6be9de94502086d
SHA14c15e68d9e3228d19f4364fef2f33d373aaf9b52
SHA256df6d941907d0dcc754b5190939c92acbc2b1777ac3490c6dd9b50ba99219b2e2
SHA512fc24326b54acfe19ce28c4939b0b3eb57e7d1261ac86376a1f008e0d76db80da3959407666dd1d35e0c8cd97e12405656d2a81ce0412f62ee69064b96305c575