Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 17:47
General
- Target 1ebe8cda40570e270b1885f1d5faa1e6812cb6df74dad248a0a186a54c6de301.exe
- Size 431KB
- Sample240403-wc8fragb8t
- SHA256 1ebe8cda40570e270b1885f1d5faa1e6812cb6df74dad248a0a186a54c6de301
Malware Config
Extracted
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stealc
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http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.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 3 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.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 25 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1ebe8cda40570e270b1885f1d5faa1e6812cb6df74dad248a0a186a54c6de301.exe"C:\Users\Admin\AppData\Local\Temp\1ebe8cda40570e270b1885f1d5faa1e6812cb6df74dad248a0a186a54c6de301.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uvo.0.exe"C:\Users\Admin\AppData\Local\Temp\uvo.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CGDGCFBAEG.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CGDGCFBAEG.exe"C:\Users\Admin\AppData\Local\Temp\CGDGCFBAEG.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\CGDGCFBAEG.exe5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 24723⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\uvo.1.exe"C:\Users\Admin\AppData\Local\Temp\uvo.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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 1140 -s 11642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1140 -ip 11401⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4860 -ip 48601⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
CGDGCFBAEG.exe
uvo.0.exe
uvo.1.exe
memory/1140-4-0x0000000000400000-0x0000000000889000-memory.dmp
memory/1140-7-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/1140-5-0x0000000000990000-0x0000000000A90000-memory.dmp
memory/1140-1-0x0000000000990000-0x0000000000A90000-memory.dmp
memory/1140-92-0x0000000000400000-0x0000000000889000-memory.dmp
memory/1140-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/1140-2-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/2536-156-0x000001EC26D10000-0x000001EC26D3A000-memory.dmp
memory/2536-167-0x000001EC0E0E0000-0x000001EC0E0F0000-memory.dmp
memory/2536-212-0x000001EC0E0E0000-0x000001EC0E0F0000-memory.dmp
memory/2536-211-0x000001EC0E0E0000-0x000001EC0E0F0000-memory.dmp
memory/2536-210-0x000001EC0E0E0000-0x000001EC0E0F0000-memory.dmp
memory/2536-209-0x00007FFEF8850000-0x00007FFEF9312000-memory.dmp
memory/2536-188-0x000001EC2BB00000-0x000001EC2BB1E000-memory.dmp
memory/2536-147-0x00007FFEF8850000-0x00007FFEF9312000-memory.dmp
memory/2536-148-0x000001EC08A00000-0x000001EC0C2F8000-memory.dmp
memory/2536-149-0x000001EC0E0E0000-0x000001EC0E0F0000-memory.dmp
memory/2536-150-0x000001EC269E0000-0x000001EC26AF0000-memory.dmp
memory/2536-151-0x000001EC0E0D0000-0x000001EC0E0E0000-memory.dmp
memory/2536-152-0x000001EC26B00000-0x000001EC26B0C000-memory.dmp
memory/2536-153-0x000001EC26AF0000-0x000001EC26B04000-memory.dmp
memory/2536-154-0x000001EC26B60000-0x000001EC26B84000-memory.dmp
memory/2536-155-0x000001EC26B90000-0x000001EC26B9A000-memory.dmp
memory/2536-157-0x000001EC26D40000-0x000001EC26DF2000-memory.dmp
memory/2536-187-0x000001EC2BAD0000-0x000001EC2BAF2000-memory.dmp
memory/2536-158-0x000001EC26DF0000-0x000001EC26E6A000-memory.dmp
memory/2536-159-0x000001EC26E70000-0x000001EC26ED2000-memory.dmp
memory/2536-160-0x000001EC26F50000-0x000001EC26FC6000-memory.dmp
memory/2536-161-0x000001EC0E0F0000-0x000001EC0E0FA000-memory.dmp
memory/2536-165-0x000001EC26FD0000-0x000001EC272D0000-memory.dmp
memory/2536-178-0x000001EC2BA30000-0x000001EC2BA3C000-memory.dmp
memory/2536-168-0x000001EC0E0E0000-0x000001EC0E0F0000-memory.dmp
memory/2536-169-0x000001EC2B9F0000-0x000001EC2B9F8000-memory.dmp
memory/2536-170-0x000001EC2B370000-0x000001EC2B3A8000-memory.dmp
memory/2536-171-0x000001EC2B340000-0x000001EC2B34E000-memory.dmp
memory/2536-172-0x000001EC2BC90000-0x000001EC2BC9A000-memory.dmp
memory/2536-173-0x000001EC2BA10000-0x000001EC2BA32000-memory.dmp
memory/2536-174-0x000001EC2C1D0000-0x000001EC2C6F8000-memory.dmp
memory/2536-177-0x000001EC2BA80000-0x000001EC2BAD0000-memory.dmp
memory/3380-203-0x0000000071E10000-0x00000000725C1000-memory.dmp
memory/3380-208-0x0000000071E10000-0x00000000725C1000-memory.dmp
memory/3380-204-0x0000000005030000-0x0000000005040000-memory.dmp
memory/3380-202-0x0000000000320000-0x0000000000340000-memory.dmp
memory/4528-132-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4528-145-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4528-74-0x00000000029A0000-0x00000000029A1000-memory.dmp
memory/4860-190-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4860-22-0x0000000002580000-0x00000000025A7000-memory.dmp
memory/4860-205-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4860-21-0x0000000000A10000-0x0000000000B10000-memory.dmp
memory/4860-146-0x0000000000A10000-0x0000000000B10000-memory.dmp
memory/4860-23-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4860-131-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4860-24-0x0000000061E00000-0x0000000061EF3000-memory.dmp