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Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 16:14
Static task
static1
Behavioral task
behavioral1
Sample
4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe
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Size
140KB
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MD5
849ab737b936f40bc74b753164aa37a5
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SHA1
16f6b5e79699591ab9d357d129cb898ddcf1fb17
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SHA256
4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b
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SHA512
90b10256ee4a4fd02f85742661c2c6a768c4d72e0d78fcc41529707c7a9b0acd8a89660e29196b8bad1b4c97528d1396f92009e36e58172a9dc540381052bbd1
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SSDEEP
3072:K9Pp7FuHCxABX562J7fT4PE6fUeeYkLpE6H94oQZiEy/W9:kFufBJ1J7f8zkSOWL
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tiaesu.exe -
Executes dropped EXE 1 IoCs
pid Process 2948 tiaesu.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /B" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /O" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /K" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /D" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /e" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /C" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /a" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /G" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /V" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /E" tiaesu.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /R" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /v" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /I" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /d" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /X" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /i" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /Y" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /f" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /w" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /H" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /y" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /t" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /P" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /J" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /q" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /g" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /b" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /s" 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /Q" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /n" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /j" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /M" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /L" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /S" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /r" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /o" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /T" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /s" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /Z" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /k" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /l" tiaesu.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /F" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /x" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /A" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /c" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /p" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /u" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /W" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /U" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /m" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /h" tiaesu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tiaesu = "C:\\Users\\Admin\\tiaesu.exe /N" tiaesu.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 3136 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 3136 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe 2948 tiaesu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3136 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 2948 tiaesu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3136 wrote to memory of 2948 3136 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 83 PID 3136 wrote to memory of 2948 3136 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 83 PID 3136 wrote to memory of 2948 3136 4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe"C:\Users\Admin\AppData\Local\Temp\4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.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:3136 -
C:\Users\Admin\tiaesu.exe"C:\Users\Admin\tiaesu.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:2948
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
140KB
MD5dc53740e240c2d6233d4fa930e0c9f3f
SHA1dcb32b5a76f43f16d6ed21e69388080c37a99fdb
SHA2562f03eaa20460629a7d35cf694b8fece1a02c3a67236e60a7c73048193d2567c5
SHA5125af64eed5b3a3a46cd835f8364e234f4428afb536822e1e2c293e558bca842eccfd4fe0751af2e6c2dce0434690739e92b8dbbc4b02899d03f44b8e1bfa66165
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Filesize
140KB
MD5dc53740e240c2d6233d4fa930e0c9f3f
SHA1dcb32b5a76f43f16d6ed21e69388080c37a99fdb
SHA2562f03eaa20460629a7d35cf694b8fece1a02c3a67236e60a7c73048193d2567c5
SHA5125af64eed5b3a3a46cd835f8364e234f4428afb536822e1e2c293e558bca842eccfd4fe0751af2e6c2dce0434690739e92b8dbbc4b02899d03f44b8e1bfa66165