Analysis
- max time kernel
134s - max time network
137s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
05/05/2024, 06:48
General
- Target aa9aeb5dc18f2ccbc53d908739b7fc5ed24ab56350c1caed9542adac9eb3aee9.exe
- Size 419KB
- Sample240505-hktexadd98
- SHA256 aa9aeb5dc18f2ccbc53d908739b7fc5ed24ab56350c1caed9542adac9eb3aee9
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 29 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 WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\aa9aeb5dc18f2ccbc53d908739b7fc5ed24ab56350c1caed9542adac9eb3aee9.exe"C:\Users\Admin\AppData\Local\Temp\aa9aeb5dc18f2ccbc53d908739b7fc5ed24ab56350c1caed9542adac9eb3aee9.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u30k.0.exe"C:\Users\Admin\AppData\Local\Temp\u30k.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 3572 -s 20443⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u30k.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u30k.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
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious use of AdjustPrivilegeToken
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-
-
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C:\Users\Admin\AppData\Local\Temp\u30k.3.exe"C:\Users\Admin\AppData\Local\Temp\u30k.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 3908 -s 11642⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3908 -ip 39081⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3572 -ip 35721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
dbab3c2d
ioloDMLog.txt
tmp2C7B.tmp
tmp2CAD.tmp
u30k.0.exe
u30k.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u30k.3.exe
memory/2028-246-0x00000000736C0000-0x000000007383D000-memory.dmp
memory/2028-162-0x00007FFF15040000-0x00007FFF15249000-memory.dmp
memory/3572-207-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3572-284-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3572-196-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3572-298-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3572-176-0x0000000000400000-0x0000000002B02000-memory.dmp
memory/3852-296-0x0000000005210000-0x000000000521A000-memory.dmp
memory/3852-292-0x0000000005900000-0x0000000005EA6000-memory.dmp
memory/3852-291-0x00000000052B0000-0x0000000005342000-memory.dmp
memory/3852-290-0x0000000000B00000-0x0000000000BC6000-memory.dmp
memory/3852-293-0x0000000005530000-0x00000000056F2000-memory.dmp
memory/3852-295-0x00000000053D0000-0x0000000005420000-memory.dmp
memory/3852-281-0x0000000071580000-0x0000000072897000-memory.dmp
memory/3852-294-0x0000000005350000-0x00000000053C6000-memory.dmp
memory/3852-299-0x00000000064E0000-0x0000000006A0C000-memory.dmp
memory/3852-300-0x00000000058A0000-0x00000000058BE000-memory.dmp
memory/3852-301-0x0000000006020000-0x0000000006086000-memory.dmp
memory/3908-141-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/3908-2-0x0000000002FB0000-0x000000000301D000-memory.dmp
memory/3908-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3908-111-0x0000000000400000-0x0000000002B26000-memory.dmp
memory/3908-143-0x0000000000400000-0x0000000000470000-memory.dmp
memory/3908-142-0x0000000002FB0000-0x000000000301D000-memory.dmp
memory/3908-1-0x0000000002CE0000-0x0000000002DE0000-memory.dmp
memory/4044-144-0x00000000736C0000-0x000000007383D000-memory.dmp
memory/4044-116-0x00000000736C0000-0x000000007383D000-memory.dmp
memory/4044-117-0x00007FFF15040000-0x00007FFF15249000-memory.dmp
memory/4244-185-0x0000026CE96D0000-0x0000026CE96FA000-memory.dmp
memory/4244-179-0x0000026CE9570000-0x0000026CE9680000-memory.dmp
memory/4244-206-0x0000026CEE560000-0x0000026CEE56C000-memory.dmp
memory/4244-205-0x0000026CEE5B0000-0x0000026CEE600000-memory.dmp
memory/4244-186-0x0000026CE9870000-0x0000026CE9922000-memory.dmp
memory/4244-240-0x0000026CEE880000-0x0000026CEE8A2000-memory.dmp
memory/4244-241-0x0000026CEE8B0000-0x0000026CEE8CE000-memory.dmp
memory/4244-188-0x0000026CE99A0000-0x0000026CE9A02000-memory.dmp
memory/4244-184-0x0000026CE96B0000-0x0000026CE96BA000-memory.dmp
memory/4244-183-0x0000026CE9680000-0x0000026CE96A4000-memory.dmp
memory/4244-182-0x0000026CE94F0000-0x0000026CE9504000-memory.dmp
memory/4244-181-0x0000026CE9500000-0x0000026CE950C000-memory.dmp
memory/4244-180-0x0000026CE94E0000-0x0000026CE94F0000-memory.dmp
memory/4244-202-0x0000026CEEAA0000-0x0000026CEEFC8000-memory.dmp
memory/4244-178-0x0000026CCB520000-0x0000026CCEE18000-memory.dmp
memory/4244-189-0x0000026CE9A80000-0x0000026CE9AF6000-memory.dmp
memory/4244-190-0x0000026CE9390000-0x0000026CE939A000-memory.dmp
memory/4244-201-0x0000026CEE540000-0x0000026CEE562000-memory.dmp
memory/4244-200-0x0000026CEE520000-0x0000026CEE52A000-memory.dmp
memory/4244-198-0x0000026CEDE50000-0x0000026CEDE88000-memory.dmp
memory/4244-199-0x0000026CEDE20000-0x0000026CEDE2E000-memory.dmp
memory/4244-197-0x0000026CEE510000-0x0000026CEE518000-memory.dmp
memory/4244-187-0x0000026CE9920000-0x0000026CE999A000-memory.dmp
memory/4244-194-0x0000026CE9B00000-0x0000026CE9E00000-memory.dmp
memory/4884-165-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4884-177-0x0000000000400000-0x00000000008AD000-memory.dmp