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Analysis
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max time kernel
150s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2022, 18:23
Static task
static1
Behavioral task
behavioral1
Sample
cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe
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Size
156KB
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MD5
0abb72e33a0d544e0aefc5d2f1cdb300
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SHA1
d31819f36705c11371ba59775ecd7c601940e89c
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SHA256
cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171
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SHA512
db52708606ce8c53d602b673f8111300bb3fd0a6725ae7b13b1425b721673d891833e9c93ae61c9b5f073294de8d69600277bc533df462ef71df68a3952674aa
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SSDEEP
3072:DpJyVFgyqTRlU3NhCBvu9pjZEwDxdr8Jr3i5:9JPRl+NhwWrjuwDQdg
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" cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" piebol.exe -
Executes dropped EXE 1 IoCs
pid Process 3948 piebol.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 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /D" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /y" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /h" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /U" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /d" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /b" piebol.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /w" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /s" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /J" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /Q" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /R" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /I" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /a" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /v" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /j" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /m" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /A" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /q" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /X" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /O" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /l" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /i" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /T" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /r" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /e" cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /n" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /Y" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /L" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /o" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /x" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /k" piebol.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /B" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /t" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /M" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /P" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /e" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /W" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /p" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /G" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /K" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /N" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /z" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /f" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /V" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /S" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /F" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /E" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /Z" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /c" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /u" piebol.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piebol = "C:\\Users\\Admin\\piebol.exe /C" piebol.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 4624 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 4624 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe 3948 piebol.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4624 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 3948 piebol.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4624 wrote to memory of 3948 4624 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 83 PID 4624 wrote to memory of 3948 4624 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 83 PID 4624 wrote to memory of 3948 4624 cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.exe"C:\Users\Admin\AppData\Local\Temp\cbb7e6f38596e180c9ff3f38aa28899e713b308b78fa94b5acda1fb2c26ad171.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:4624 -
C:\Users\Admin\piebol.exe"C:\Users\Admin\piebol.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:3948
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
156KB
MD55afb233ba02bc7849ed37ca6c18bfb51
SHA174cc2acf506f2eb4d7fe8d6a50742c1888ada798
SHA256b20208b24f582267384f93c8cabc8c25030d118471d518bcca91f08c9c3136a7
SHA512ec212b329d5df9a32dcfe29d184a64e352bf1ff4a789382e50297c660e9a7dac8612d353575d87f352ab4495b5ddeca8575bccac42ae7c083a5b9229eef01c54
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Filesize
156KB
MD55afb233ba02bc7849ed37ca6c18bfb51
SHA174cc2acf506f2eb4d7fe8d6a50742c1888ada798
SHA256b20208b24f582267384f93c8cabc8c25030d118471d518bcca91f08c9c3136a7
SHA512ec212b329d5df9a32dcfe29d184a64e352bf1ff4a789382e50297c660e9a7dac8612d353575d87f352ab4495b5ddeca8575bccac42ae7c083a5b9229eef01c54