Analysis
- max time kernel
139s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
07/05/2024, 01:58
General
- Target dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
- Size 399KB
- Sample240507-cdv29sgc86
- SHA256 dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7
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#.
- Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
- Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
- Detects encrypted or obfuscated .NET executables 1 IoCs
- 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 29 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\dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe"C:\Users\Admin\AppData\Local\Temp\dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u38.0.exe"C:\Users\Admin\AppData\Local\Temp\u38.0.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 4168 -s 23923⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u38.1.exe"C:\Users\Admin\AppData\Local\Temp\u38.1.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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 12442⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 116 -ip 1161⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4168 -ip 41681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
ioloDMLog.txt
u38.0.exe
u38.1.exe
memory/116-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/116-99-0x0000000000400000-0x000000000046F000-memory.dmp
memory/116-2-0x0000000002FE0000-0x000000000304C000-memory.dmp
memory/116-97-0x0000000000400000-0x0000000002B22000-memory.dmp
memory/116-1-0x0000000002CA0000-0x0000000002DA0000-memory.dmp
memory/116-4-0x0000000000400000-0x0000000002B22000-memory.dmp
memory/116-98-0x0000000002FE0000-0x000000000304C000-memory.dmp
memory/2688-129-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2688-141-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4168-15-0x0000000000400000-0x0000000001A04000-memory.dmp
memory/4168-42-0x0000000000400000-0x0000000001A04000-memory.dmp
memory/4168-27-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4168-113-0x0000000000400000-0x0000000001A04000-memory.dmp
memory/4168-14-0x0000000000400000-0x0000000001A04000-memory.dmp
memory/4748-145-0x0000016639E40000-0x0000016639E4C000-memory.dmp
memory/4748-153-0x0000016639EE0000-0x0000016639EEA000-memory.dmp
memory/4748-142-0x000001661BFC0000-0x000001661F7F4000-memory.dmp
memory/4748-144-0x0000016639D10000-0x0000016639D20000-memory.dmp
memory/4748-146-0x0000016639E30000-0x0000016639E44000-memory.dmp
memory/4748-147-0x0000016639EA0000-0x0000016639EC4000-memory.dmp
memory/4748-148-0x0000016639ED0000-0x0000016639EDA000-memory.dmp
memory/4748-149-0x000001663A290000-0x000001663A2BA000-memory.dmp
memory/4748-150-0x000001663A2C0000-0x000001663A372000-memory.dmp
memory/4748-151-0x000001663A3C0000-0x000001663A410000-memory.dmp
memory/4748-152-0x000001663A410000-0x000001663A432000-memory.dmp
memory/4748-143-0x000001663A040000-0x000001663A14A000-memory.dmp
memory/4748-157-0x000001663A440000-0x000001663A740000-memory.dmp
memory/4748-159-0x000001663A990000-0x000001663A998000-memory.dmp
memory/4748-160-0x000001663AC20000-0x000001663AC58000-memory.dmp
memory/4748-161-0x000001663ABE0000-0x000001663ABEE000-memory.dmp
memory/4748-162-0x000001663AC00000-0x000001663AC08000-memory.dmp
memory/4748-163-0x000001663ACB0000-0x000001663ACBA000-memory.dmp
memory/4748-164-0x000001663E090000-0x000001663E0F2000-memory.dmp
memory/4748-165-0x000001663F380000-0x000001663F3A2000-memory.dmp
memory/4748-166-0x000001663F8D0000-0x000001663FDF8000-memory.dmp
memory/4748-169-0x000001663ACC0000-0x000001663ACCC000-memory.dmp
memory/4748-170-0x000001663F6E0000-0x000001663F756000-memory.dmp
memory/4748-171-0x000001663F640000-0x000001663F65E000-memory.dmp