Analysis
- max time kernel
127s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
10/05/2024, 09:47
General
- Target bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe
- Size 372KB
- Sample240510-lr6klaba82
- SHA256 bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702
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 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\bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe"C:\Users\Admin\AppData\Local\Temp\bc0830b3d105954fd3a9361a230fcd39dc3e1fae9de5ab65314db1917a5ba702.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u22k.0.exe"C:\Users\Admin\AppData\Local\Temp\u22k.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 24403⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u22k.1.exe"C:\Users\Admin\AppData\Local\Temp\u22k.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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 11642⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2684 -ip 26841⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3608 -ip 36081⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u22k.0.exe
u22k.1.exe
memory/1312-145-0x0000019B44110000-0x0000019B44134000-memory.dmp
memory/1312-160-0x0000019B48900000-0x0000019B4890E000-memory.dmp
memory/1312-170-0x0000019B49080000-0x0000019B4909E000-memory.dmp
memory/1312-169-0x0000019B49120000-0x0000019B49196000-memory.dmp
memory/1312-168-0x0000019B49040000-0x0000019B4904C000-memory.dmp
memory/1312-165-0x0000019B49850000-0x0000019B49D78000-memory.dmp
memory/1312-164-0x0000019B49020000-0x0000019B49042000-memory.dmp
memory/1312-163-0x0000019B492C0000-0x0000019B49322000-memory.dmp
memory/1312-135-0x0000019B261A0000-0x0000019B299D4000-memory.dmp
memory/1312-162-0x0000019B492A0000-0x0000019B492AA000-memory.dmp
memory/1312-141-0x0000019B44190000-0x0000019B4429A000-memory.dmp
memory/1312-143-0x0000019B440B0000-0x0000019B440BC000-memory.dmp
memory/1312-142-0x0000019B43F70000-0x0000019B43F80000-memory.dmp
memory/1312-144-0x0000019B440A0000-0x0000019B440B4000-memory.dmp
memory/1312-161-0x0000019B48920000-0x0000019B48928000-memory.dmp
memory/1312-146-0x0000019B44140000-0x0000019B4414A000-memory.dmp
memory/1312-147-0x0000019B44400000-0x0000019B444B2000-memory.dmp
memory/1312-148-0x0000019B44510000-0x0000019B44560000-memory.dmp
memory/1312-149-0x0000019B444B0000-0x0000019B444DA000-memory.dmp
memory/1312-150-0x0000019B44560000-0x0000019B44582000-memory.dmp
memory/1312-152-0x0000019B43ED0000-0x0000019B43EDA000-memory.dmp
memory/1312-156-0x0000019B44590000-0x0000019B44890000-memory.dmp
memory/1312-159-0x0000019B48930000-0x0000019B48968000-memory.dmp
memory/1312-158-0x0000019B48FF0000-0x0000019B48FF8000-memory.dmp
memory/2684-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2684-2-0x00000000042D0000-0x000000000433C000-memory.dmp
memory/2684-1-0x0000000002830000-0x0000000002930000-memory.dmp
memory/2684-27-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2684-26-0x0000000000400000-0x0000000002599000-memory.dmp
memory/3608-151-0x0000000000400000-0x0000000002575000-memory.dmp
memory/3608-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3608-121-0x0000000000400000-0x0000000002575000-memory.dmp
memory/5028-134-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/5028-133-0x0000000000400000-0x00000000008AD000-memory.dmp