Analysis
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max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
18-07-2022 10:42
Static task
static1
Behavioral task
behavioral1
Sample
b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe
Resource
win7-20220414-en
General
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Target
b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe
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Size
291KB
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MD5
ffb8152ef40edc5c178d228b9c96a06d
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SHA1
83bc9bc18e5d4e68add42624838827308e6cdafc
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SHA256
b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e
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SHA512
8b10109b48851decc3a6d4dc5bb977c25e72988af79d241fe7bd049b6080358ac76ce59540024e6401fb61d12386e6b07e32966e85563d6f46d31f66ae81ccb3
Malware Config
Extracted
vulturi
http://52.188.26.40:5050/gate
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c2_encryption_key
welovefortnite
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c2_user
root
Signatures
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Vulturi payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2912-130-0x0000000000920000-0x0000000000970000-memory.dmp family_vulturi -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exedescription pid process Token: SeDebugPrivilege 2912 b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.execmd.exedescription pid process target process PID 2912 wrote to memory of 3736 2912 b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe cmd.exe PID 2912 wrote to memory of 3736 2912 b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe cmd.exe PID 3736 wrote to memory of 3808 3736 cmd.exe chcp.com PID 3736 wrote to memory of 3808 3736 cmd.exe chcp.com PID 3736 wrote to memory of 4644 3736 cmd.exe PING.EXE PID 3736 wrote to memory of 4644 3736 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe"C:\Users\Admin\AppData\Local\Temp\b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\b2b09138f6bd625c119b4baae4133f3583ccc1e19f0e883fd31171f2a39a5f3e.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Windows\system32\chcp.comchcp 650013⤵PID:3808
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C:\Windows\system32\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4644
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