Analysis
- max time kernel
140s - max time network
142s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
07/05/2024, 15:35
General
- Target 364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe
- Size 408KB
- Sample240507-s1aylsff78
- SHA256 364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683
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
- Loads dropped DLL 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- 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 25 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\364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe"C:\Users\Admin\AppData\Local\Temp\364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2z4.0.exe"C:\Users\Admin\AppData\Local\Temp\u2z4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 20883⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2z4.1.exe"C:\Users\Admin\AppData\Local\Temp\u2z4.1.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 3856 -s 15402⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2348 -ip 23481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3856 -ip 38561⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u2z4.0.exe
u2z4.1.exe
memory/2348-86-0x0000000000400000-0x0000000002AFF000-memory.dmp
memory/2348-87-0x0000000000400000-0x0000000002AFF000-memory.dmp
memory/2348-14-0x0000000000400000-0x0000000002AFF000-memory.dmp
memory/2348-15-0x0000000000400000-0x0000000002AFF000-memory.dmp
memory/2348-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2380-137-0x00000251A7F70000-0x00000251A807A000-memory.dmp
memory/2380-144-0x00000251A7EA0000-0x00000251A7F52000-memory.dmp
memory/2380-165-0x00000251ACD40000-0x00000251ACD5E000-memory.dmp
memory/2380-164-0x00000251ACDE0000-0x00000251ACE56000-memory.dmp
memory/2380-163-0x00000251ACD00000-0x00000251ACD0C000-memory.dmp
memory/2380-160-0x00000251AD510000-0x00000251ADA38000-memory.dmp
memory/2380-158-0x00000251ACF80000-0x00000251ACFE2000-memory.dmp
memory/2380-159-0x00000251ACCE0000-0x00000251ACD02000-memory.dmp
memory/2380-136-0x0000025189E60000-0x000002518D694000-memory.dmp
memory/2380-157-0x00000251ACF60000-0x00000251ACF6A000-memory.dmp
memory/2380-138-0x00000251A7C60000-0x00000251A7C70000-memory.dmp
memory/2380-139-0x00000251A7C80000-0x00000251A7C8C000-memory.dmp
memory/2380-140-0x00000251A7C70000-0x00000251A7C84000-memory.dmp
memory/2380-141-0x00000251A7DE0000-0x00000251A7E04000-memory.dmp
memory/2380-142-0x00000251A7E10000-0x00000251A7E1A000-memory.dmp
memory/2380-156-0x00000251AC5E0000-0x00000251AC5E8000-memory.dmp
memory/2380-143-0x00000251A7E70000-0x00000251A7E9A000-memory.dmp
memory/2380-145-0x00000251A8220000-0x00000251A8270000-memory.dmp
memory/2380-146-0x00000251A81D0000-0x00000251A81F2000-memory.dmp
memory/2380-147-0x00000251A7C40000-0x00000251A7C4A000-memory.dmp
memory/2380-151-0x00000251A8270000-0x00000251A8570000-memory.dmp
memory/2380-153-0x00000251ACCB0000-0x00000251ACCB8000-memory.dmp
memory/2380-155-0x00000251AC5C0000-0x00000251AC5CE000-memory.dmp
memory/2380-154-0x00000251AC5F0000-0x00000251AC628000-memory.dmp
memory/3208-135-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3208-123-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3856-13-0x0000000000400000-0x0000000002B23000-memory.dmp
memory/3856-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3856-2-0x00000000048F0000-0x000000000495C000-memory.dmp
memory/3856-102-0x0000000000400000-0x0000000002B23000-memory.dmp
memory/3856-103-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3856-1-0x0000000002E20000-0x0000000002F20000-memory.dmp