Analysis
- max time kernel
147s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240419-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
- 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\f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe"C:\Users\Admin\AppData\Local\Temp\f3ad4e35b27e85807a97799bbf5aa34bfe32d5f6e3e4e248eeda21cf01ab064c.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u2lg.0.exe"C:\Users\Admin\AppData\Local\Temp\u2lg.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 476 -s 20523⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u2lg.1.exe"C:\Users\Admin\AppData\Local\Temp\u2lg.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 3364 -s 11962⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3364 -ip 33641⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 476 -ip 4761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u2lg.0.exe
u2lg.1.exe
memory/476-170-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/476-60-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/476-64-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/476-163-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3364-29-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3364-1-0x0000000002CE0000-0x0000000002DE0000-memory.dmp
memory/3364-30-0x0000000002EF0000-0x0000000002F5C000-memory.dmp
memory/3364-27-0x0000000000400000-0x0000000002B25000-memory.dmp
memory/3364-2-0x0000000002EF0000-0x0000000002F5C000-memory.dmp
memory/3364-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/3388-113-0x000002436FFF0000-0x00000243700A2000-memory.dmp
memory/3388-126-0x0000024374860000-0x0000024374868000-memory.dmp
memory/3388-109-0x000002436F710000-0x000002436F71C000-memory.dmp
memory/3388-112-0x000002436F8B0000-0x000002436F8BA000-memory.dmp
memory/3388-108-0x000002436DF50000-0x000002436DF60000-memory.dmp
memory/3388-114-0x000002436F8E0000-0x000002436F90A000-memory.dmp
memory/3388-116-0x00000243700F0000-0x0000024370112000-memory.dmp
memory/3388-115-0x0000024370140000-0x0000024370190000-memory.dmp
memory/3388-117-0x000002436DF30000-0x000002436DF3A000-memory.dmp
memory/3388-121-0x0000024370510000-0x0000024370810000-memory.dmp
memory/3388-123-0x0000024370130000-0x0000024370138000-memory.dmp
memory/3388-124-0x0000024374880000-0x00000243748B8000-memory.dmp
memory/3388-125-0x0000024374840000-0x000002437484E000-memory.dmp
memory/3388-111-0x000002436F830000-0x000002436F854000-memory.dmp
memory/3388-128-0x0000024374F50000-0x0000024374FB2000-memory.dmp
memory/3388-127-0x00000243751D0000-0x00000243751DA000-memory.dmp
memory/3388-129-0x0000024374FB0000-0x0000024374FD2000-memory.dmp
memory/3388-133-0x0000024375710000-0x0000024375C38000-memory.dmp
memory/3388-136-0x0000024374FD0000-0x0000024374FDC000-memory.dmp
memory/3388-110-0x000002436DF60000-0x000002436DF74000-memory.dmp
memory/3388-107-0x00000243702B0000-0x00000243703BA000-memory.dmp
memory/3388-153-0x00000243750B0000-0x0000024375126000-memory.dmp
memory/3388-162-0x0000024375010000-0x000002437502E000-memory.dmp
memory/3388-100-0x000002436A0D0000-0x000002436D904000-memory.dmp
memory/3784-63-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3784-51-0x0000000000400000-0x00000000008AD000-memory.dmp