Analysis
- max time kernel
132s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
08/08/2023, 08:30
General
- Target BOQ Materials Needed.exe
- Size 287KB
- Sample230808-kd9jnabe25
- SHA256 10d2e26e7fd2141f3a41f907b3be1a6ae8778ba8e39f3b485ead152956ac0d43
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 1 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BOQ Materials Needed.exe"C:\Users\Admin\AppData\Local\Temp\BOQ Materials Needed.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 11242⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 11242⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 11362⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4080 -ip 40801⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4080 -ip 40801⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4080 -ip 40801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/4080-143-0x0000000004920000-0x0000000005799000-memory.dmp
memory/4080-144-0x0000000004920000-0x0000000005799000-memory.dmp
memory/4080-145-0x00000000777E1000-0x0000000077901000-memory.dmp
memory/4080-146-0x0000000004920000-0x0000000005799000-memory.dmp