Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
11-07-2024 13:14
Static task
static1
Behavioral task
behavioral1
Sample
SolaraB_V10 (1).zip
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
SolaraB V10/SolaraBootstrapper.exe
Resource
win7-20240705-en
Behavioral task
behavioral3
Sample
SolaraB V10/workspace/KavoConfig.json
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
SolaraB V10/workspace/OrionTest/73885730.txt
Resource
win7-20240705-en
General
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Target
SolaraB V10/workspace/KavoConfig.json
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Size
2B
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MD5
99914b932bd37a50b983c5e7c90ae93b
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SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f
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SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
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SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\json_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\json_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.json\ = "json_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\json_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\json_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.json rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\json_auto_file\shell rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2736 AcroRd32.exe 2736 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1664 wrote to memory of 2720 1664 cmd.exe 32 PID 1664 wrote to memory of 2720 1664 cmd.exe 32 PID 1664 wrote to memory of 2720 1664 cmd.exe 32 PID 2720 wrote to memory of 2736 2720 rundll32.exe 33 PID 2720 wrote to memory of 2736 2720 rundll32.exe 33 PID 2720 wrote to memory of 2736 2720 rundll32.exe 33 PID 2720 wrote to memory of 2736 2720 rundll32.exe 33
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\SolaraB V10\workspace\KavoConfig.json"1⤵
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SolaraB V10\workspace\KavoConfig.json2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\SolaraB V10\workspace\KavoConfig.json"3⤵
- Suspicious use of SetWindowsHookEx
PID:2736
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