Analysis
- max time kernel
131s - max time network
132s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
05/05/2024, 17:16
General
- Target e0ea61dc0d7a6c2e944087e7804dd212e31f2452af0dfc8f4d4286b691a780cb.exe
- Size 406KB
- Sample240505-vs94vafg4y
- SHA256 e0ea61dc0d7a6c2e944087e7804dd212e31f2452af0dfc8f4d4286b691a780cb
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\e0ea61dc0d7a6c2e944087e7804dd212e31f2452af0dfc8f4d4286b691a780cb.exe"C:\Users\Admin\AppData\Local\Temp\e0ea61dc0d7a6c2e944087e7804dd212e31f2452af0dfc8f4d4286b691a780cb.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1jw.0.exe"C:\Users\Admin\AppData\Local\Temp\u1jw.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 716 -s 24923⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u1jw.1.exe"C:\Users\Admin\AppData\Local\Temp\u1jw.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 2012 -s 11562⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2012 -ip 20121⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 716 -ip 7161⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u1jw.0.exe
u1jw.1.exe
memory/716-169-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/716-68-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/716-59-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/716-159-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/2012-27-0x0000000000400000-0x0000000002B23000-memory.dmp
memory/2012-28-0x0000000002FB0000-0x000000000301C000-memory.dmp
memory/2012-29-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2012-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2012-2-0x0000000002FB0000-0x000000000301C000-memory.dmp
memory/2012-1-0x0000000002D70000-0x0000000002E70000-memory.dmp
memory/4156-93-0x0000027937B00000-0x0000027937BB2000-memory.dmp
memory/4156-115-0x000002793C480000-0x000002793C4B8000-memory.dmp
memory/4156-83-0x0000027937A80000-0x0000027937AA4000-memory.dmp
memory/4156-92-0x0000027937AA0000-0x0000027937AAA000-memory.dmp
memory/4156-65-0x000002791F040000-0x000002791F050000-memory.dmp
memory/4156-94-0x0000027937AC0000-0x0000027937AEA000-memory.dmp
memory/4156-95-0x0000027937F40000-0x0000027937FBA000-memory.dmp
memory/4156-96-0x0000027937FC0000-0x0000027938022000-memory.dmp
memory/4156-97-0x00000279380A0000-0x0000027938116000-memory.dmp
memory/4156-98-0x00000279378E0000-0x00000279378EA000-memory.dmp
memory/4156-102-0x0000027938120000-0x0000027938420000-memory.dmp
memory/4156-114-0x000002793BD70000-0x000002793BD78000-memory.dmp
memory/4156-116-0x000002793C440000-0x000002793C44E000-memory.dmp
memory/4156-67-0x0000027937900000-0x0000027937914000-memory.dmp
memory/4156-121-0x000002793CDD0000-0x000002793CDF2000-memory.dmp
memory/4156-120-0x000002793C500000-0x000002793C50A000-memory.dmp
memory/4156-122-0x000002793D320000-0x000002793D848000-memory.dmp
memory/4156-125-0x000002793CBA0000-0x000002793CBF0000-memory.dmp
memory/4156-126-0x000002793CB50000-0x000002793CB5C000-memory.dmp
memory/4156-66-0x0000027937910000-0x000002793791C000-memory.dmp
memory/4156-64-0x0000027937CE0000-0x0000027937DF0000-memory.dmp
memory/4156-156-0x000002793CBF0000-0x000002793CC12000-memory.dmp
memory/4156-157-0x000002793CC20000-0x000002793CC3E000-memory.dmp
memory/4156-63-0x0000027919B30000-0x000002791D428000-memory.dmp
memory/4936-62-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4936-50-0x0000000000400000-0x00000000008AD000-memory.dmp