Analysis
- max time kernel
140s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
13/09/2023, 01:48
General
- Target 2ba4c247d71613b4016efe1c667d197f37636d0fcc22685c8fdf75eae66b460e.exe
- Size 584KB
- Sample230913-b8ehbsbe53
- SHA256 2ba4c247d71613b4016efe1c667d197f37636d0fcc22685c8fdf75eae66b460e
Malware Config
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 12 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ba4c247d71613b4016efe1c667d197f37636d0fcc22685c8fdf75eae66b460e.exe"C:\Users\Admin\AppData\Local\Temp\2ba4c247d71613b4016efe1c667d197f37636d0fcc22685c8fdf75eae66b460e.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2ba4c247d71613b4016efe1c667d197f37636d0fcc22685c8fdf75eae66b460e.exe"C:\Users\Admin\AppData\Local\Temp\2ba4c247d71613b4016efe1c667d197f37636d0fcc22685c8fdf75eae66b460e.exe"2⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 13763⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1116 -ip 11161⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mozglue.dll
msvcp140.dll
nss3.dll
vcruntime140.dll
System.dll
System.dll
System.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
memory/1116-41-0x0000000032D70000-0x0000000032D97000-memory.dmp
memory/1116-103-0x00000000004A0000-0x0000000002AD9000-memory.dmp
memory/1116-36-0x00000000004A0000-0x0000000002AD9000-memory.dmp
memory/1116-37-0x00000000776E8000-0x00000000776E9000-memory.dmp
memory/1116-38-0x0000000077705000-0x0000000077706000-memory.dmp
memory/1116-39-0x0000000072DB0000-0x0000000074004000-memory.dmp
memory/1116-40-0x00000000004A0000-0x0000000002AD9000-memory.dmp
memory/1116-35-0x00000000004A0000-0x0000000002AD9000-memory.dmp
memory/1116-42-0x0000000072DB0000-0x0000000074004000-memory.dmp
memory/1116-43-0x0000000077661000-0x0000000077781000-memory.dmp
memory/1116-104-0x0000000072DB0000-0x0000000074004000-memory.dmp
memory/1804-33-0x0000000077661000-0x0000000077781000-memory.dmp
memory/1804-31-0x0000000004A70000-0x00000000070A9000-memory.dmp
memory/1804-30-0x0000000004A70000-0x00000000070A9000-memory.dmp
memory/1804-32-0x0000000077661000-0x0000000077781000-memory.dmp
memory/1804-34-0x00000000742B0000-0x00000000742B7000-memory.dmp