Analysis
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max time kernel
153s -
max time network
75s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 20:26
Static task
static1
Behavioral task
behavioral1
Sample
072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe
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Size
260KB
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MD5
68783982570e9f4db68fb3b73604f2d4
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SHA1
33193f7080f148ed4554239057a67ba17e7e3fa0
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SHA256
072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946
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SHA512
7add90ad7438c9ac68f0533b2336e5ccc499fc7b69f8a6ed96f901b9e506db7a01e180bb5cc8b17bdfa51307703c18d998a4d1f27f1809cb569cf3a4e5c1e474
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SSDEEP
6144:cCBZxrVG3zzyXcM9ZoxtoFIZ93Cv8A/DPPiZi6u:NNIzzyXcM9ZoxtoFIZ93Cv8A/DXau
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" 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fiewiu.exe -
Executes dropped EXE 1 IoCs
pid Process 1736 fiewiu.exe -
Loads dropped DLL 2 IoCs
pid Process 1744 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe 1744 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /U" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /k" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /b" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /M" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /R" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /O" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /v" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /P" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /Y" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /W" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /V" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /j" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /h" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /L" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /w" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /e" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /y" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /T" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /t" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /F" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /K" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /H" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /S" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /g" 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /X" fiewiu.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /d" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /z" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /A" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /a" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /G" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /Z" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /p" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /o" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /q" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /B" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /i" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /f" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /C" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /J" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /m" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /E" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /c" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /N" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /g" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /r" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /n" fiewiu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /Q" fiewiu.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiewiu = "C:\\Users\\Admin\\fiewiu.exe /x" fiewiu.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 1744 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe 1736 fiewiu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1744 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe 1736 fiewiu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1744 wrote to memory of 1736 1744 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe 28 PID 1744 wrote to memory of 1736 1744 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe 28 PID 1744 wrote to memory of 1736 1744 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe 28 PID 1744 wrote to memory of 1736 1744 072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.exe"C:\Users\Admin\AppData\Local\Temp\072b23420d45a89ddbc232a70f7cf08980a4539228fe6e092208523d42d51946.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:1744 -
C:\Users\Admin\fiewiu.exe"C:\Users\Admin\fiewiu.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:1736
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
260KB
MD5c8caf8b8054ec27f740560c1c9feea8a
SHA1838e99046fdc7b80f1bb60a32bede349fb9f3671
SHA25611a98b8563c4e60907d9a0a31dc81d83e9fce1ebaca274045aca9f3979a632dc
SHA5128f488a9cfad07c5e8d5177fe0638be52888abf9421f6316be3f374ce1f697ccf70f38cb9198ac1bb5dd55bce4c05ceade107777e4f2d97a7776b7591f2e2a4f2
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Filesize
260KB
MD5c8caf8b8054ec27f740560c1c9feea8a
SHA1838e99046fdc7b80f1bb60a32bede349fb9f3671
SHA25611a98b8563c4e60907d9a0a31dc81d83e9fce1ebaca274045aca9f3979a632dc
SHA5128f488a9cfad07c5e8d5177fe0638be52888abf9421f6316be3f374ce1f697ccf70f38cb9198ac1bb5dd55bce4c05ceade107777e4f2d97a7776b7591f2e2a4f2
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Filesize
260KB
MD5c8caf8b8054ec27f740560c1c9feea8a
SHA1838e99046fdc7b80f1bb60a32bede349fb9f3671
SHA25611a98b8563c4e60907d9a0a31dc81d83e9fce1ebaca274045aca9f3979a632dc
SHA5128f488a9cfad07c5e8d5177fe0638be52888abf9421f6316be3f374ce1f697ccf70f38cb9198ac1bb5dd55bce4c05ceade107777e4f2d97a7776b7591f2e2a4f2
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Filesize
260KB
MD5c8caf8b8054ec27f740560c1c9feea8a
SHA1838e99046fdc7b80f1bb60a32bede349fb9f3671
SHA25611a98b8563c4e60907d9a0a31dc81d83e9fce1ebaca274045aca9f3979a632dc
SHA5128f488a9cfad07c5e8d5177fe0638be52888abf9421f6316be3f374ce1f697ccf70f38cb9198ac1bb5dd55bce4c05ceade107777e4f2d97a7776b7591f2e2a4f2