Analysis
- max time kernel
141s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
07/05/2024, 09:22
General
- Target f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe
- Size 416KB
- Sample240507-lcdw2aab8x
- SHA256 f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c
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
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 28 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\f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe"C:\Users\Admin\AppData\Local\Temp\f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2nc.0.exe"C:\Users\Admin\AppData\Local\Temp\u2nc.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 1676 -s 23643⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2nc.1.exe"C:\Users\Admin\AppData\Local\Temp\u2nc.1.exe"2⤵
- Checks computer location settings
- 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 3432 -s 15242⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3432 -ip 34321⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1676 -ip 16761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u2nc.0.exe
u2nc.1.exe
memory/1676-53-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/1676-161-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/1676-143-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/1676-63-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2692-136-0x0000024D4D0D0000-0x0000024D4D0E0000-memory.dmp
memory/2692-145-0x0000024D673F0000-0x0000024D67412000-memory.dmp
memory/2692-166-0x0000024D67E40000-0x0000024D67E5E000-memory.dmp
memory/2692-165-0x0000024D6CB10000-0x0000024D6CB86000-memory.dmp
memory/2692-103-0x0000024D49430000-0x0000024D4CC64000-memory.dmp
memory/2692-164-0x0000024D67B80000-0x0000024D67B8C000-memory.dmp
memory/2692-160-0x0000024D6D320000-0x0000024D6D848000-memory.dmp
memory/2692-157-0x0000024D6CD70000-0x0000024D6CD7A000-memory.dmp
memory/2692-131-0x0000024D67530000-0x0000024D6763A000-memory.dmp
memory/2692-137-0x0000024D4EA20000-0x0000024D4EA2C000-memory.dmp
memory/2692-158-0x0000024D6CD90000-0x0000024D6CDF2000-memory.dmp
memory/2692-138-0x0000024D4D0E0000-0x0000024D4D0F4000-memory.dmp
memory/2692-139-0x0000024D67360000-0x0000024D67384000-memory.dmp
memory/2692-140-0x0000024D4D0B0000-0x0000024D4D0BA000-memory.dmp
memory/2692-141-0x0000024D67380000-0x0000024D673AA000-memory.dmp
memory/2692-142-0x0000024D67780000-0x0000024D67832000-memory.dmp
memory/2692-144-0x0000024D67830000-0x0000024D67880000-memory.dmp
memory/2692-159-0x0000024D6CAF0000-0x0000024D6CB12000-memory.dmp
memory/2692-154-0x0000024D6BBE0000-0x0000024D6BBEE000-memory.dmp
memory/2692-146-0x0000024D4D0C0000-0x0000024D4D0CA000-memory.dmp
memory/2692-150-0x0000024D67880000-0x0000024D67B80000-memory.dmp
memory/2692-152-0x0000024D6B510000-0x0000024D6B518000-memory.dmp
memory/2692-153-0x0000024D6BC20000-0x0000024D6BC58000-memory.dmp
memory/2692-155-0x0000024D6BC00000-0x0000024D6BC08000-memory.dmp
memory/3392-51-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3392-96-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3432-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3432-1-0x0000000002B70000-0x0000000002C70000-memory.dmp
memory/3432-5-0x0000000000400000-0x0000000002B25000-memory.dmp
memory/3432-30-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3432-2-0x00000000047C0000-0x000000000482C000-memory.dmp
memory/3432-29-0x00000000047C0000-0x000000000482C000-memory.dmp
memory/3432-28-0x0000000000400000-0x0000000002B25000-memory.dmp