Analysis
- max time kernel
146s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
04/05/2024, 22:01
General
- Target 1e0778d44dd6274c0ee0d611580d3933bf594a5bea52c48ed825b6cccc30d98d.exe
- Size 419KB
- Sample240504-1xe26afg72
- SHA256 1e0778d44dd6274c0ee0d611580d3933bf594a5bea52c48ed825b6cccc30d98d
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
Signatures
- Detect ZGRat V1 3 IoCs
- SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
- SectopRAT payload 1 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 3 IoCs
- Loads dropped DLL 5 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.
- Suspicious use of SetThreadContext 2 IoCs
- 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 31 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1e0778d44dd6274c0ee0d611580d3933bf594a5bea52c48ed825b6cccc30d98d.exe"C:\Users\Admin\AppData\Local\Temp\1e0778d44dd6274c0ee0d611580d3933bf594a5bea52c48ed825b6cccc30d98d.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u3l4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3l4.0.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 824 -s 24203⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3l4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3l4.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
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C:\Users\Admin\AppData\Local\Temp\u3l4.3.exe"C:\Users\Admin\AppData\Local\Temp\u3l4.3.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 4648 -s 11562⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4648 -ip 46481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 824 -ip 8241⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
d7b4a09d
ioloDMLog.txt
ioloDMLog.txt
tmpF9C2.tmp
tmpF9E5.tmp
u3l4.0.exe
u3l4.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3l4.3.exe
memory/824-281-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/824-265-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/824-163-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/824-165-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1552-212-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1552-206-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3756-283-0x00000000730E0000-0x000000007325D000-memory.dmp
memory/3756-161-0x00007FFE7D5E0000-0x00007FFE7D7E9000-memory.dmp
memory/3856-143-0x00000000730E0000-0x000000007325D000-memory.dmp
memory/3856-117-0x00007FFE7D5E0000-0x00007FFE7D7E9000-memory.dmp
memory/3856-116-0x00000000730E0000-0x000000007325D000-memory.dmp
memory/4648-292-0x0000000005950000-0x0000000005EF6000-memory.dmp
memory/4648-138-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4648-320-0x0000000007950000-0x0000000007962000-memory.dmp
memory/4648-318-0x0000000007900000-0x000000000790A000-memory.dmp
memory/4648-2-0x0000000004890000-0x00000000048FD000-memory.dmp
memory/4648-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp
memory/4648-299-0x00000000060B0000-0x0000000006116000-memory.dmp
memory/4648-298-0x0000000005930000-0x000000000594E000-memory.dmp
memory/4648-297-0x0000000006530000-0x0000000006A5C000-memory.dmp
memory/4648-296-0x00000000052D0000-0x00000000052DA000-memory.dmp
memory/4648-295-0x0000000005330000-0x0000000005380000-memory.dmp
memory/4648-294-0x00000000053A0000-0x0000000005416000-memory.dmp
memory/4648-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/4648-137-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/4648-293-0x0000000005740000-0x0000000005902000-memory.dmp
memory/4648-291-0x0000000005210000-0x00000000052A2000-memory.dmp
memory/4648-290-0x0000000000B00000-0x0000000000BC6000-memory.dmp
memory/4648-287-0x0000000071B00000-0x0000000072E17000-memory.dmp
memory/4648-111-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/4920-279-0x00000214F6110000-0x00000214F611C000-memory.dmp
memory/4920-261-0x00000214F5A20000-0x00000214F5A58000-memory.dmp
memory/4920-270-0x00000214F68B0000-0x00000214F6DD8000-memory.dmp
memory/4920-263-0x00000214F6370000-0x00000214F637A000-memory.dmp
memory/4920-222-0x00000214EEFC0000-0x00000214EEFCC000-memory.dmp
memory/4920-220-0x00000214F1210000-0x00000214F1320000-memory.dmp
memory/4920-282-0x00000214F1B30000-0x00000214F1B52000-memory.dmp
memory/4920-264-0x00000214F60F0000-0x00000214F6112000-memory.dmp
memory/4920-284-0x00000214F1B60000-0x00000214F1B7E000-memory.dmp
memory/4920-278-0x00000214F6160000-0x00000214F61B0000-memory.dmp
memory/4920-262-0x00000214F59F0000-0x00000214F59FE000-memory.dmp
memory/4920-221-0x00000214EEE30000-0x00000214EEE40000-memory.dmp
memory/4920-216-0x00000214EB0E0000-0x00000214EE9D8000-memory.dmp
memory/4920-257-0x00000214F1670000-0x00000214F1678000-memory.dmp
memory/4920-230-0x00000214F1680000-0x00000214F16F6000-memory.dmp
memory/4920-231-0x00000214F0F50000-0x00000214F0F5A000-memory.dmp
memory/4920-238-0x00000214F1700000-0x00000214F1A00000-memory.dmp
memory/4920-227-0x00000214F1470000-0x00000214F1522000-memory.dmp
memory/4920-228-0x00000214F1520000-0x00000214F159A000-memory.dmp
memory/4920-229-0x00000214F15A0000-0x00000214F1602000-memory.dmp
memory/4920-226-0x00000214F1080000-0x00000214F10AA000-memory.dmp
memory/4920-225-0x00000214F1060000-0x00000214F106A000-memory.dmp
memory/4920-224-0x00000214F1030000-0x00000214F1054000-memory.dmp
memory/4920-223-0x00000214EEE60000-0x00000214EEE74000-memory.dmp