Analysis
- max time kernel
121s - max time network
123s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
08/05/2024, 09:53
General
- Target 0969e4d489b5176bb42f73ff4e4049f3c973bb3ed9dc035057a0908b3b3bfb18.exe
- Size 368KB
- Sample240508-lwpgwaef8x
- SHA256 0969e4d489b5176bb42f73ff4e4049f3c973bb3ed9dc035057a0908b3b3bfb18
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\0969e4d489b5176bb42f73ff4e4049f3c973bb3ed9dc035057a0908b3b3bfb18.exe"C:\Users\Admin\AppData\Local\Temp\0969e4d489b5176bb42f73ff4e4049f3c973bb3ed9dc035057a0908b3b3bfb18.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3fs.0.exe"C:\Users\Admin\AppData\Local\Temp\u3fs.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 8603⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3fs.1.exe"C:\Users\Admin\AppData\Local\Temp\u3fs.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
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 4456 -s 14242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4456 -ip 44561⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2244 -ip 22441⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
u3fs.0.exe
u3fs.1.exe
memory/2244-98-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2244-105-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2244-103-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2244-13-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2244-14-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2244-15-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2244-101-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/3720-87-0x00000275F1060000-0x00000275F106A000-memory.dmp
memory/3720-77-0x00000275EB400000-0x00000275EB40A000-memory.dmp
memory/3720-95-0x00000275F0E40000-0x00000275F0E5E000-memory.dmp
memory/3720-94-0x00000275F0EE0000-0x00000275F0F56000-memory.dmp
memory/3720-66-0x00000275E5F60000-0x00000275E9794000-memory.dmp
memory/3720-67-0x00000275EBEF0000-0x00000275EBFFA000-memory.dmp
memory/3720-69-0x00000275EBC20000-0x00000275EBC2C000-memory.dmp
memory/3720-68-0x00000275E9C00000-0x00000275E9C10000-memory.dmp
memory/3720-71-0x00000275EC000000-0x00000275EC024000-memory.dmp
memory/3720-70-0x00000275EB540000-0x00000275EB554000-memory.dmp
memory/3720-74-0x00000275EC280000-0x00000275EC2AA000-memory.dmp
memory/3720-73-0x00000275EC1C0000-0x00000275EC272000-memory.dmp
memory/3720-75-0x00000275EC300000-0x00000275EC350000-memory.dmp
memory/3720-72-0x00000275EC030000-0x00000275EC03A000-memory.dmp
memory/3720-76-0x00000275EC350000-0x00000275EC372000-memory.dmp
memory/3720-93-0x00000275F0E00000-0x00000275F0E0C000-memory.dmp
memory/3720-81-0x00000275EC380000-0x00000275EC680000-memory.dmp
memory/3720-83-0x00000275F07B0000-0x00000275F07B8000-memory.dmp
memory/3720-86-0x00000275F0720000-0x00000275F0728000-memory.dmp
memory/3720-85-0x00000275F0700000-0x00000275F070E000-memory.dmp
memory/3720-84-0x00000275F0730000-0x00000275F0768000-memory.dmp
memory/3720-90-0x00000275F1610000-0x00000275F1B38000-memory.dmp
memory/3720-88-0x00000275F1080000-0x00000275F10E2000-memory.dmp
memory/3720-89-0x00000275F0DE0000-0x00000275F0E02000-memory.dmp
memory/4216-65-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4216-62-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4456-1-0x0000000001D40000-0x0000000001E40000-memory.dmp
memory/4456-31-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4456-30-0x0000000000400000-0x0000000001A26000-memory.dmp
memory/4456-32-0x0000000001CA0000-0x0000000001D0C000-memory.dmp
memory/4456-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/4456-2-0x0000000001CA0000-0x0000000001D0C000-memory.dmp