Analysis
- max time kernel
144s - max time network
159s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
07/04/2024, 22:30
General
- Target 6f987f25272a8800fc7530836cab635806c2b6a8ac5963d6179cb194817cfa3a.exe
- Size 478KB
- Sample240407-2exd6agf52
- SHA256 6f987f25272a8800fc7530836cab635806c2b6a8ac5963d6179cb194817cfa3a
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\6f987f25272a8800fc7530836cab635806c2b6a8ac5963d6179cb194817cfa3a.exe"C:\Users\Admin\AppData\Local\Temp\6f987f25272a8800fc7530836cab635806c2b6a8ac5963d6179cb194817cfa3a.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1eg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1eg.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\GCAEHDBAAE.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\GCAEHDBAAE.exe"C:\Users\Admin\AppData\Local\Temp\GCAEHDBAAE.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\GCAEHDBAAE.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 1784 -s 24363⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1eg.1.exe"C:\Users\Admin\AppData\Local\Temp\u1eg.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 1816 -s 11642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1816 -ip 18161⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1784 -ip 17841⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
GCAEHDBAAE.exe
u1eg.0.exe
u1eg.1.exe
memory/444-164-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/444-167-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/444-141-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/444-89-0x0000000002760000-0x0000000002761000-memory.dmp
memory/1784-69-0x0000000000400000-0x000000000063B000-memory.dmp
memory/1784-125-0x0000000000400000-0x000000000063B000-memory.dmp
memory/1784-154-0x0000000000400000-0x000000000063B000-memory.dmp
memory/1784-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1784-88-0x00000000008F0000-0x00000000009F0000-memory.dmp
memory/1784-13-0x00000000008F0000-0x00000000009F0000-memory.dmp
memory/1784-17-0x0000000000400000-0x000000000063B000-memory.dmp
memory/1784-15-0x0000000000400000-0x000000000063B000-memory.dmp
memory/1784-14-0x00000000008B0000-0x00000000008D7000-memory.dmp
memory/1816-111-0x0000000000400000-0x0000000000487000-memory.dmp
memory/1816-62-0x00000000021A0000-0x000000000220C000-memory.dmp
memory/1816-16-0x0000000000400000-0x0000000000487000-memory.dmp
memory/1816-18-0x0000000000670000-0x0000000000770000-memory.dmp
memory/1816-1-0x0000000000670000-0x0000000000770000-memory.dmp
memory/1816-3-0x0000000000400000-0x0000000000487000-memory.dmp
memory/1816-2-0x00000000021A0000-0x000000000220C000-memory.dmp
memory/2848-170-0x0000019F7BCD0000-0x0000019F7BCE0000-memory.dmp
memory/2848-186-0x0000019F7C5F0000-0x0000019F7C8F0000-memory.dmp
memory/2848-208-0x0000019F7BCD0000-0x0000019F7BCE0000-memory.dmp
memory/2848-207-0x0000019F7BCD0000-0x0000019F7BCE0000-memory.dmp
memory/2848-168-0x00007FFCBD050000-0x00007FFCBDB12000-memory.dmp
memory/2848-169-0x0000019F76020000-0x0000019F79918000-memory.dmp
memory/2848-206-0x0000019F7BCD0000-0x0000019F7BCE0000-memory.dmp
memory/2848-171-0x0000019F7C0D0000-0x0000019F7C1E0000-memory.dmp
memory/2848-172-0x0000019F7BFD0000-0x0000019F7BFE0000-memory.dmp
memory/2848-173-0x0000019F7BFF0000-0x0000019F7BFFC000-memory.dmp
memory/2848-174-0x0000019F7BFE0000-0x0000019F7BFF4000-memory.dmp
memory/2848-175-0x0000019F7C050000-0x0000019F7C074000-memory.dmp
memory/2848-176-0x0000019F7C080000-0x0000019F7C08A000-memory.dmp
memory/2848-177-0x0000019F7C330000-0x0000019F7C3E2000-memory.dmp
memory/2848-178-0x0000019F7C3E0000-0x0000019F7C40A000-memory.dmp
memory/2848-179-0x0000019F7C410000-0x0000019F7C48A000-memory.dmp
memory/2848-180-0x0000019F7C490000-0x0000019F7C4F2000-memory.dmp
memory/2848-181-0x0000019F7C570000-0x0000019F7C5E6000-memory.dmp
memory/2848-182-0x0000019F7C090000-0x0000019F7C09A000-memory.dmp
memory/2848-205-0x0000019F7BCD0000-0x0000019F7BCE0000-memory.dmp
memory/2848-188-0x0000019F7BCD0000-0x0000019F7BCE0000-memory.dmp
memory/2848-190-0x0000019F7BCD0000-0x0000019F7BCE0000-memory.dmp
memory/2848-189-0x0000019F7E8E0000-0x0000019F7E8E8000-memory.dmp
memory/2848-191-0x0000019F7E930000-0x0000019F7E968000-memory.dmp
memory/2848-192-0x0000019F7E8F0000-0x0000019F7E8FE000-memory.dmp
memory/2848-193-0x0000019F1A580000-0x0000019F1A58A000-memory.dmp
memory/2848-194-0x0000019F1A300000-0x0000019F1A322000-memory.dmp
memory/2848-195-0x0000019F1AAC0000-0x0000019F1AFE8000-memory.dmp
memory/2848-198-0x0000019F7EDD0000-0x0000019F7EE20000-memory.dmp
memory/2848-200-0x0000019F1A320000-0x0000019F1A32C000-memory.dmp
memory/2848-199-0x0000019F7BCD0000-0x0000019F7BCE0000-memory.dmp
memory/2848-201-0x0000019F7E970000-0x0000019F7E992000-memory.dmp
memory/2848-202-0x0000019F7E9A0000-0x0000019F7E9BE000-memory.dmp
memory/2848-204-0x00007FFCBD050000-0x00007FFCBDB12000-memory.dmp
memory/4220-153-0x0000000071A10000-0x00000000721C1000-memory.dmp
memory/4220-148-0x0000000000C00000-0x0000000000C20000-memory.dmp
memory/4220-149-0x0000000071A10000-0x00000000721C1000-memory.dmp
memory/4220-150-0x0000000003180000-0x0000000003190000-memory.dmp