Analysis
- max time kernel
148s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
09/05/2024, 16:33
General
- Target 735fc5e1baa4c307c1a90faab5c5ece5635545bcc39c98a7823456e488c5f2bf.exe
- Size 384KB
- Sample240509-t2t9baef55
- SHA256 735fc5e1baa4c307c1a90faab5c5ece5635545bcc39c98a7823456e488c5f2bf
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 23 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\735fc5e1baa4c307c1a90faab5c5ece5635545bcc39c98a7823456e488c5f2bf.exe"C:\Users\Admin\AppData\Local\Temp\735fc5e1baa4c307c1a90faab5c5ece5635545bcc39c98a7823456e488c5f2bf.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uvo.0.exe"C:\Users\Admin\AppData\Local\Temp\uvo.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 3276 -s 13563⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\uvo.1.exe"C:\Users\Admin\AppData\Local\Temp\uvo.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 1140 -s 6842⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1140 -ip 11401⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3276 -ip 32761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ioloDMLog.txt
uvo.0.exe
uvo.1.exe
memory/1140-2-0x0000000004890000-0x00000000048FC000-memory.dmp
memory/1140-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1140-16-0x0000000000400000-0x0000000002B1E000-memory.dmp
memory/1140-33-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1140-32-0x0000000004890000-0x00000000048FC000-memory.dmp
memory/1140-31-0x0000000000400000-0x0000000002B1E000-memory.dmp
memory/1140-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp
memory/2256-74-0x0000029651320000-0x000002965132A000-memory.dmp
memory/2256-85-0x00000296561B0000-0x00000296561B8000-memory.dmp
memory/2256-100-0x0000029651010000-0x00000296511C3000-memory.dmp
memory/2256-98-0x0000029656530000-0x000002965654E000-memory.dmp
memory/2256-68-0x00000296331A0000-0x00000296369D4000-memory.dmp
memory/2256-69-0x00000296513A0000-0x00000296514AA000-memory.dmp
memory/2256-71-0x00000296386F0000-0x00000296386FC000-memory.dmp
memory/2256-70-0x0000029636E60000-0x0000029636E70000-memory.dmp
memory/2256-72-0x00000296386E0000-0x00000296386F4000-memory.dmp
memory/2256-73-0x0000029650FE0000-0x0000029651004000-memory.dmp
memory/2256-96-0x00000296565D0000-0x0000029656646000-memory.dmp
memory/2256-76-0x0000029651600000-0x00000296516B2000-memory.dmp
memory/2256-75-0x0000029651350000-0x000002965137A000-memory.dmp
memory/2256-77-0x0000029651700000-0x0000029651750000-memory.dmp
memory/2256-78-0x0000029651750000-0x0000029651772000-memory.dmp
memory/2256-79-0x00000296386C0000-0x00000296386CA000-memory.dmp
memory/2256-83-0x0000029651780000-0x0000029651A80000-memory.dmp
memory/2256-95-0x00000296561F0000-0x00000296561FC000-memory.dmp
memory/2256-87-0x0000029655AC0000-0x0000029655ACE000-memory.dmp
memory/2256-86-0x0000029655AF0000-0x0000029655B28000-memory.dmp
memory/2256-88-0x0000029655AE0000-0x0000029655AE8000-memory.dmp
memory/2256-89-0x00000296561D0000-0x00000296561DA000-memory.dmp
memory/2256-90-0x0000029656480000-0x00000296564E2000-memory.dmp
memory/2256-91-0x00000296564E0000-0x0000029656502000-memory.dmp
memory/2256-92-0x0000029656A30000-0x0000029656F58000-memory.dmp
memory/2340-55-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2340-67-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3276-38-0x0000000000400000-0x0000000002AF3000-memory.dmp
memory/3276-54-0x0000000000400000-0x0000000002AF3000-memory.dmp
memory/3276-102-0x0000000000400000-0x0000000002AF3000-memory.dmp
memory/3276-106-0x0000000000400000-0x0000000002AF3000-memory.dmp
memory/3276-112-0x0000000000400000-0x0000000002AF3000-memory.dmp
memory/3276-114-0x0000000000400000-0x0000000002AF3000-memory.dmp