Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
03/05/2024, 22:18
General
- Target 66370778e22bd1f4d1e1faa1518ecaa83ddd20b413824a1cf1bf8f2e3e35abc5.exe
- Size 453KB
- Sample240503-178gfsfg4v
- SHA256 66370778e22bd1f4d1e1faa1518ecaa83ddd20b413824a1cf1bf8f2e3e35abc5
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 27 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\66370778e22bd1f4d1e1faa1518ecaa83ddd20b413824a1cf1bf8f2e3e35abc5.exe"C:\Users\Admin\AppData\Local\Temp\66370778e22bd1f4d1e1faa1518ecaa83ddd20b413824a1cf1bf8f2e3e35abc5.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u3y4.0.exe"C:\Users\Admin\AppData\Local\Temp\u3y4.0.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 388 -s 25043⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u3y4.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u3y4.2\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\u3y4.3.exe"C:\Users\Admin\AppData\Local\Temp\u3y4.3.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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 11482⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 388 -ip 3881⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5116 -ip 51161⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
a96b1931
ioloDMLog.txt
ioloDMLog.txt
tmp298D.tmp
tmp29AF.tmp
u3y4.0.exe
u3y4.1.zip
ASUS_WMI.dll
ATKEX.dll
AsIO.dll
doubled.doc
protactinium.log
run.exe
u3y4.3.exe
memory/388-127-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/388-216-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/388-17-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/388-191-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/388-16-0x0000000000400000-0x0000000001A17000-memory.dmp
memory/720-220-0x0000000072DB0000-0x0000000072F2D000-memory.dmp
memory/720-197-0x00007FFE8BF00000-0x00007FFE8C109000-memory.dmp
memory/1144-318-0x000001BFFC5C0000-0x000001BFFC5CA000-memory.dmp
memory/1144-312-0x000001BFF6650000-0x000001BFF9F48000-memory.dmp
memory/1144-341-0x000001BFFEFD0000-0x000001BFFEFEE000-memory.dmp
memory/1144-340-0x000001BFFEFA0000-0x000001BFFEFC2000-memory.dmp
memory/1144-339-0x000001BF9A310000-0x000001BF9A31C000-memory.dmp
memory/1144-338-0x000001BFFF410000-0x000001BFFF460000-memory.dmp
memory/1144-335-0x000001BF9AAE0000-0x000001BF9B008000-memory.dmp
memory/1144-334-0x000001BF9A590000-0x000001BF9A5B2000-memory.dmp
memory/1144-333-0x000001BF9A2F0000-0x000001BF9A2FA000-memory.dmp
memory/1144-332-0x000001BFFEF20000-0x000001BFFEF2E000-memory.dmp
memory/1144-331-0x000001BFFEF60000-0x000001BFFEF98000-memory.dmp
memory/1144-330-0x000001BFFEF10000-0x000001BFFEF18000-memory.dmp
memory/1144-328-0x000001BFFCC60000-0x000001BFFCF60000-memory.dmp
memory/1144-324-0x000001BFFA470000-0x000001BFFA47A000-memory.dmp
memory/1144-322-0x000001BFFCB00000-0x000001BFFCB62000-memory.dmp
memory/1144-323-0x000001BFFCBE0000-0x000001BFFCC56000-memory.dmp
memory/1144-321-0x000001BFFCA80000-0x000001BFFCAFA000-memory.dmp
memory/1144-320-0x000001BFFC5E0000-0x000001BFFC60A000-memory.dmp
memory/1144-319-0x000001BFFC860000-0x000001BFFC912000-memory.dmp
memory/1144-317-0x000001BFFBDD0000-0x000001BFFBDF4000-memory.dmp
memory/1144-316-0x000001BFFA4A0000-0x000001BFFA4B4000-memory.dmp
memory/1144-314-0x000001BFFA490000-0x000001BFFA4A0000-memory.dmp
memory/1144-315-0x000001BFFBD70000-0x000001BFFBD7C000-memory.dmp
memory/1144-313-0x000001BFFC750000-0x000001BFFC860000-memory.dmp
memory/2044-311-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2044-299-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3936-230-0x00000000057A0000-0x0000000005816000-memory.dmp
memory/3936-228-0x0000000005CD0000-0x0000000006276000-memory.dmp
memory/3936-223-0x00000000718B0000-0x0000000072BC7000-memory.dmp
memory/3936-226-0x0000000000F00000-0x0000000000FC6000-memory.dmp
memory/3936-227-0x0000000005680000-0x0000000005712000-memory.dmp
memory/3936-234-0x0000000006400000-0x000000000641E000-memory.dmp
memory/3936-229-0x0000000005A40000-0x0000000005C02000-memory.dmp
memory/3936-231-0x00000000058C0000-0x0000000005910000-memory.dmp
memory/3936-235-0x00000000064D0000-0x0000000006536000-memory.dmp
memory/3936-232-0x0000000005650000-0x000000000565A000-memory.dmp
memory/3936-233-0x00000000068B0000-0x0000000006DDC000-memory.dmp
memory/5088-143-0x0000000072DB0000-0x0000000072F2D000-memory.dmp
memory/5088-121-0x00007FFE8BF00000-0x00007FFE8C109000-memory.dmp
memory/5088-120-0x0000000072DB0000-0x0000000072F2D000-memory.dmp
memory/5116-2-0x0000000001CB0000-0x0000000001D1D000-memory.dmp
memory/5116-217-0x0000000001D20000-0x0000000001E20000-memory.dmp
memory/5116-279-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5116-1-0x0000000001D20000-0x0000000001E20000-memory.dmp
memory/5116-278-0x0000000000400000-0x0000000001A3B000-memory.dmp
memory/5116-3-0x0000000000400000-0x0000000000470000-memory.dmp
memory/5116-163-0x0000000000400000-0x0000000001A3B000-memory.dmp
memory/5116-219-0x0000000000400000-0x0000000000470000-memory.dmp