Analysis
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max time kernel
91s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
01-06-2022 15:41
Static task
static1
Behavioral task
behavioral1
Sample
KmsRNyL4oQ.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
KmsRNyL4oQ.exe
Resource
win10v2004-20220414-en
General
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Target
KmsRNyL4oQ.exe
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Size
6.4MB
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MD5
d9170f66194db0d9f605edd0dc6c69ca
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SHA1
063d5e6a67d18698baa3654a3e7771a3b1a03203
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SHA256
d819bda110e3afa9682e7f9b741571b3015c8818e340cf01132ca632717ab178
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SHA512
dd5622bd69f55e78ecd6c9d5e36c9972d6c773a3a3a7f8d6a958cf81869df776cc771a750dbdb98fd393ca3cf380ddd272c645c507fac5b3335e43908d5e5002
Malware Config
Extracted
metasploit
metasploit_stager
0.0.0.0:0
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
KmsRNyL4oQ.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion KmsRNyL4oQ.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion KmsRNyL4oQ.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 452 2644 WerFault.exe KmsRNyL4oQ.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
KmsRNyL4oQ.exepid process 2644 KmsRNyL4oQ.exe 2644 KmsRNyL4oQ.exe 2644 KmsRNyL4oQ.exe 2644 KmsRNyL4oQ.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
KmsRNyL4oQ.exedescription pid process Token: SeDebugPrivilege 2644 KmsRNyL4oQ.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\KmsRNyL4oQ.exe"C:\Users\Admin\AppData\Local\Temp\KmsRNyL4oQ.exe"1⤵
- Checks BIOS information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2644 -s 8762⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 428 -p 2644 -ip 26441⤵