Analysis
- max time kernel
126s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
05/05/2024, 15:02
General
- Target 0e95d0991bf709c025edd52e6e9c610c619c58785db99d84652de06a52531d06.exe
- Size 398KB
- Sample240505-semehsdd31
- SHA256 0e95d0991bf709c025edd52e6e9c610c619c58785db99d84652de06a52531d06
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 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\0e95d0991bf709c025edd52e6e9c610c619c58785db99d84652de06a52531d06.exe"C:\Users\Admin\AppData\Local\Temp\0e95d0991bf709c025edd52e6e9c610c619c58785db99d84652de06a52531d06.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2mo.0.exe"C:\Users\Admin\AppData\Local\Temp\u2mo.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 3744 -s 24483⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2mo.1.exe"C:\Users\Admin\AppData\Local\Temp\u2mo.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 3408 -s 15282⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3408 -ip 34081⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3744 -ip 37441⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
u2mo.0.exe
u2mo.1.exe
memory/568-101-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/568-104-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3408-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3408-2-0x0000000002FA0000-0x000000000300C000-memory.dmp
memory/3408-28-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3408-27-0x0000000000400000-0x0000000002B21000-memory.dmp
memory/3408-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp
memory/3744-49-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3744-169-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3744-88-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3744-33-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3744-136-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3948-116-0x00000253DB820000-0x00000253DB896000-memory.dmp
memory/3948-124-0x00000253DFBC0000-0x00000253DFBF8000-memory.dmp
memory/3948-115-0x00000253DB740000-0x00000253DB7A2000-memory.dmp
memory/3948-110-0x00000253C29C0000-0x00000253C29E4000-memory.dmp
memory/3948-114-0x00000253DB6C0000-0x00000253DB73A000-memory.dmp
memory/3948-113-0x00000253DB610000-0x00000253DB6C2000-memory.dmp
memory/3948-111-0x00000253DB1F0000-0x00000253DB1FA000-memory.dmp
memory/3948-117-0x00000253C2840000-0x00000253C284A000-memory.dmp
memory/3948-121-0x00000253DB8A0000-0x00000253DBBA0000-memory.dmp
memory/3948-123-0x00000253DFC40000-0x00000253DFC48000-memory.dmp
memory/3948-125-0x00000253DFB90000-0x00000253DFB9E000-memory.dmp
memory/3948-112-0x00000253DB5E0000-0x00000253DB60A000-memory.dmp
memory/3948-126-0x00000253E0520000-0x00000253E052A000-memory.dmp
memory/3948-127-0x00000253E0530000-0x00000253E0552000-memory.dmp
memory/3948-128-0x00000253E0A80000-0x00000253E0FA8000-memory.dmp
memory/3948-131-0x00000253E02F0000-0x00000253E0340000-memory.dmp
memory/3948-132-0x00000253E02A0000-0x00000253E02AC000-memory.dmp
memory/3948-133-0x00000253E0340000-0x00000253E0362000-memory.dmp
memory/3948-134-0x00000253E0370000-0x00000253E038E000-memory.dmp
memory/3948-109-0x00000253C2870000-0x00000253C2884000-memory.dmp
memory/3948-107-0x00000253C2860000-0x00000253C2870000-memory.dmp
memory/3948-108-0x00000253C2880000-0x00000253C288C000-memory.dmp
memory/3948-106-0x00000253DB380000-0x00000253DB490000-memory.dmp
memory/3948-105-0x00000253BD290000-0x00000253C0B88000-memory.dmp