Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 00:20
Static task
static1
Behavioral task
behavioral1
Sample
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe
Resource
win10v2004-20220812-en
General
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Target
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe
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Size
160KB
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MD5
18b3e06af16fcf0aabcb5fc0d5656d60
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SHA1
70ea23d3dc0e4724f620b6f1a6a2cfcaed1c4dbc
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SHA256
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e
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SHA512
55a9a7ade34ea499b1a52497bc4ddd7cd0d8c6fcb88330df87cb7ff77ac3543c37b32f96de04a493ec70fa3723477c25f5a5cce42de7867c944045ef4fd6dad9
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SSDEEP
3072:/a5Xf+Dxk95Fbr2IsJ03CwLYwR49hPLd3BzK02Swq4lV94oQZiEhE7:C5v+DgbrTw03rLlR4PLnh7w1rvWk
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exefiilee.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fiilee.exe -
Executes dropped EXE 1 IoCs
Processes:
fiilee.exepid process 2408 fiilee.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe -
Adds Run key to start application 2 TTPs 54 IoCs
Processes:
fiilee.exe786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /N" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /u" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /l" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /H" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /j" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /f" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /T" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /n" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /a" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /m" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /F" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /V" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /x" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /s" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /c" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /U" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /i" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /N" 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /B" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /Z" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /G" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /Q" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /Y" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /d" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /b" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /o" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /q" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /k" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /D" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /y" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /g" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /v" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /X" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /r" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /C" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /J" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /S" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /E" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /h" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /A" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /w" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /O" fiilee.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /p" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /e" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /I" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /L" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /z" fiilee.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /P" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /K" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /M" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /R" fiilee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiilee = "C:\\Users\\Admin\\fiilee.exe /t" fiilee.exe -
Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{542CA2B4-CFD9-4C3F-8704-2CCF24C50653}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{4D098974-E757-4B12-89B8-9DF67542477D}.catalogItem svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exefiilee.exepid process 2228 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe 2228 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe 2408 fiilee.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exefiilee.exepid process 2228 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe 2408 fiilee.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exedescription pid process target process PID 2228 wrote to memory of 2408 2228 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe fiilee.exe PID 2228 wrote to memory of 2408 2228 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe fiilee.exe PID 2228 wrote to memory of 2408 2228 786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe fiilee.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe"C:\Users\Admin\AppData\Local\Temp\786cfbd6f6f51dfeebfa22b1abd498c3a2531582165758545705792b261f972e.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\fiilee.exe"C:\Users\Admin\fiilee.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:2408
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1316
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
160KB
MD5d5b3d97c054b2c500dd54265ec6a0d9e
SHA1cf77e36231dfb490680a2c0dd9d3523bc3c10b65
SHA2565b0ad267fc0324b58261b404b6d1a3f22c0cfb0a6bfdf24f330689f71f3a57fe
SHA51270076e5b5eb7feb4c08b31f0fef3a11678d6c07b9e1e631d3cf1d15dca47add078e1904c1a6e828037f030881426b3c0611310fe8fd4acf35c642f32eaf0a036
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Filesize
160KB
MD5d5b3d97c054b2c500dd54265ec6a0d9e
SHA1cf77e36231dfb490680a2c0dd9d3523bc3c10b65
SHA2565b0ad267fc0324b58261b404b6d1a3f22c0cfb0a6bfdf24f330689f71f3a57fe
SHA51270076e5b5eb7feb4c08b31f0fef3a11678d6c07b9e1e631d3cf1d15dca47add078e1904c1a6e828037f030881426b3c0611310fe8fd4acf35c642f32eaf0a036