Analysis
- max time kernel
146s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
10/05/2024, 00:36
General
- Target e43535ac108378521826695ae572ea24b4cde1a78b0016d3b5ebe82ff5934535.exe
- Size 384KB
- Sample240510-ax9nnabe77
- SHA256 e43535ac108378521826695ae572ea24b4cde1a78b0016d3b5ebe82ff5934535
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 1 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\e43535ac108378521826695ae572ea24b4cde1a78b0016d3b5ebe82ff5934535.exe"C:\Users\Admin\AppData\Local\Temp\e43535ac108378521826695ae572ea24b4cde1a78b0016d3b5ebe82ff5934535.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u19k.0.exe"C:\Users\Admin\AppData\Local\Temp\u19k.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 3428 -s 24523⤵
- Program crash
-
-
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C:\Users\Admin\AppData\Local\Temp\u19k.1.exe"C:\Users\Admin\AppData\Local\Temp\u19k.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
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3428 -ip 34281⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
ioloDMLog.txt
u19k.0.exe
u19k.1.exe
memory/1192-53-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1192-63-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1640-28-0x0000000000400000-0x0000000002B1E000-memory.dmp
memory/1640-1-0x0000000002BC0000-0x0000000002CC0000-memory.dmp
memory/1640-98-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1640-97-0x0000000004840000-0x00000000048AC000-memory.dmp
memory/1640-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1640-2-0x0000000004840000-0x00000000048AC000-memory.dmp
memory/1640-96-0x0000000002BC0000-0x0000000002CC0000-memory.dmp
memory/3428-181-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3428-100-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/3428-101-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3428-167-0x0000000000400000-0x0000000002AF1000-memory.dmp
memory/4668-79-0x000001DD39DD0000-0x000001DD3A0D0000-memory.dmp
memory/4668-91-0x000001DD3E870000-0x000001DD3E87C000-memory.dmp
memory/4668-73-0x000001DD39CF0000-0x000001DD39D1A000-memory.dmp
memory/4668-81-0x000001DD3E840000-0x000001DD3E848000-memory.dmp
memory/4668-83-0x000001DD3E150000-0x000001DD3E15E000-memory.dmp
memory/4668-82-0x000001DD3E180000-0x000001DD3E1B8000-memory.dmp
memory/4668-84-0x000001DD3E170000-0x000001DD3E178000-memory.dmp
memory/4668-85-0x000001DD3E850000-0x000001DD3E85A000-memory.dmp
memory/4668-87-0x000001DD3EB70000-0x000001DD3EB92000-memory.dmp
memory/4668-86-0x000001DD3EB10000-0x000001DD3EB72000-memory.dmp
memory/4668-88-0x000001DD3F0C0000-0x000001DD3F5E8000-memory.dmp
memory/4668-75-0x000001DD1F690000-0x000001DD1F69A000-memory.dmp
memory/4668-92-0x000001DD3EC60000-0x000001DD3ECD6000-memory.dmp
memory/4668-93-0x000001DD3EBC0000-0x000001DD3EBDE000-memory.dmp
memory/4668-74-0x000001DD39DA0000-0x000001DD39DC2000-memory.dmp
memory/4668-71-0x000001DD39C40000-0x000001DD39CF2000-memory.dmp
memory/4668-72-0x000001DD39D50000-0x000001DD39DA0000-memory.dmp
memory/4668-70-0x000001DD397C0000-0x000001DD397CA000-memory.dmp
memory/4668-69-0x000001DD39730000-0x000001DD39754000-memory.dmp
memory/4668-66-0x000001DD396F0000-0x000001DD39700000-memory.dmp
memory/4668-67-0x000001DD39710000-0x000001DD3971C000-memory.dmp
memory/4668-68-0x000001DD39700000-0x000001DD39714000-memory.dmp
memory/4668-65-0x000001DD399E0000-0x000001DD39AEA000-memory.dmp
memory/4668-64-0x000001DD1B9F0000-0x000001DD1F224000-memory.dmp