Analysis
- max time kernel
127s - max time network
131s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
09/05/2024, 15:50
General
- Target e539050e1d5a7f6fb3a00d623dc41c47a636a6804d45c0b42543ba7cbaeb4b1c.exe
- Size 382KB
- Sample240509-tad31sch48
- SHA256 e539050e1d5a7f6fb3a00d623dc41c47a636a6804d45c0b42543ba7cbaeb4b1c
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- Stealc
Stealc is an infostealer written in C++.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e539050e1d5a7f6fb3a00d623dc41c47a636a6804d45c0b42543ba7cbaeb4b1c.exe"C:\Users\Admin\AppData\Local\Temp\e539050e1d5a7f6fb3a00d623dc41c47a636a6804d45c0b42543ba7cbaeb4b1c.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u15k.0.exe"C:\Users\Admin\AppData\Local\Temp\u15k.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 13683⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u15k.1.exe"C:\Users\Admin\AppData\Local\Temp\u15k.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 10562⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1496 -ip 14961⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2612 -ip 26121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
u15k.0.exe
u15k.1.exe
memory/1496-30-0x0000000000400000-0x0000000002B1D000-memory.dmp
memory/1496-2-0x0000000004880000-0x00000000048EC000-memory.dmp
memory/1496-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1496-32-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1496-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp
memory/2612-37-0x0000000000400000-0x0000000002AF4000-memory.dmp
memory/2612-53-0x0000000000400000-0x0000000002AF4000-memory.dmp
memory/2612-106-0x0000000000400000-0x0000000002AF4000-memory.dmp
memory/2612-104-0x0000000000400000-0x0000000002AF4000-memory.dmp
memory/2612-102-0x0000000000400000-0x0000000002AF4000-memory.dmp
memory/2612-100-0x0000000000400000-0x0000000002AF4000-memory.dmp
memory/2972-54-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2972-66-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4324-74-0x000001F6C34A0000-0x000001F6C34CA000-memory.dmp
memory/4324-86-0x000001F6C7C20000-0x000001F6C7C2E000-memory.dmp
memory/4324-73-0x000001F6AAC90000-0x000001F6AAC9A000-memory.dmp
memory/4324-71-0x000001F6A91A0000-0x000001F6A91B4000-memory.dmp
memory/4324-75-0x000001F6C37D0000-0x000001F6C3882000-memory.dmp
memory/4324-76-0x000001F6C3880000-0x000001F6C38D0000-memory.dmp
memory/4324-77-0x000001F6C3500000-0x000001F6C3522000-memory.dmp
memory/4324-78-0x000001F6A9160000-0x000001F6A916A000-memory.dmp
memory/4324-82-0x000001F6C38D0000-0x000001F6C3BD0000-memory.dmp
memory/4324-84-0x000001F6C8310000-0x000001F6C8318000-memory.dmp
memory/4324-85-0x000001F6C7C50000-0x000001F6C7C88000-memory.dmp
memory/4324-72-0x000001F6C3470000-0x000001F6C3494000-memory.dmp
memory/4324-87-0x000001F6C7C40000-0x000001F6C7C48000-memory.dmp
memory/4324-88-0x000001F6C8330000-0x000001F6C833A000-memory.dmp
memory/4324-89-0x000001F6C85E0000-0x000001F6C8642000-memory.dmp
memory/4324-90-0x000001F6C8350000-0x000001F6C8372000-memory.dmp
memory/4324-91-0x000001F6C8B70000-0x000001F6C9098000-memory.dmp
memory/4324-94-0x000001F6C8370000-0x000001F6C837C000-memory.dmp
memory/4324-95-0x000001F6C8450000-0x000001F6C84C6000-memory.dmp
memory/4324-96-0x000001F6C83B0000-0x000001F6C83CE000-memory.dmp
memory/4324-69-0x000001F6A9190000-0x000001F6A91A0000-memory.dmp
memory/4324-70-0x000001F6AAC10000-0x000001F6AAC1C000-memory.dmp
memory/4324-68-0x000001F6C3570000-0x000001F6C367A000-memory.dmp
memory/4324-67-0x000001F6A54C0000-0x000001F6A8CF4000-memory.dmp