Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
03/04/2024, 07:34
General
- Target e1dca7f0d280cf3674d9bd482bd98fda0550116d04e592957c0f8df10361bdfa.exe
- Size 428KB
- Sample240403-jeej8sae8t
- SHA256 e1dca7f0d280cf3674d9bd482bd98fda0550116d04e592957c0f8df10361bdfa
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\e1dca7f0d280cf3674d9bd482bd98fda0550116d04e592957c0f8df10361bdfa.exe"C:\Users\Admin\AppData\Local\Temp\e1dca7f0d280cf3674d9bd482bd98fda0550116d04e592957c0f8df10361bdfa.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uo0.0.exe"C:\Users\Admin\AppData\Local\Temp\uo0.0.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\HDBGDHDAEC.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HDBGDHDAEC.exe"C:\Users\Admin\AppData\Local\Temp\HDBGDHDAEC.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\HDBGDHDAEC.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 2428 -s 22043⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\uo0.1.exe"C:\Users\Admin\AppData\Local\Temp\uo0.1.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 864 -s 11562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 864 -ip 8641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2428 -ip 24281⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
HDBGDHDAEC.exe
ioloDMLog.txt
uo0.0.exe
uo0.1.exe
memory/780-161-0x000001C578D40000-0x000001C578E50000-memory.dmp
memory/780-181-0x000001C57D5E0000-0x000001C57D5EE000-memory.dmp
memory/780-196-0x000001C578C30000-0x000001C578C40000-memory.dmp
memory/780-195-0x000001C578C30000-0x000001C578C40000-memory.dmp
memory/780-194-0x000001C578C30000-0x000001C578C40000-memory.dmp
memory/780-193-0x000001C578C30000-0x000001C578C40000-memory.dmp
memory/780-192-0x00007FFC87160000-0x00007FFC87C22000-memory.dmp
memory/780-190-0x000001C57DDC0000-0x000001C57DDDE000-memory.dmp
memory/780-189-0x000001C57DD90000-0x000001C57DDB2000-memory.dmp
memory/780-188-0x000001C57DCF0000-0x000001C57DCFC000-memory.dmp
memory/780-187-0x000001C57DD40000-0x000001C57DD90000-memory.dmp
memory/780-184-0x000001C57E4C0000-0x000001C57E9E8000-memory.dmp
memory/780-183-0x000001C57DF70000-0x000001C57DF92000-memory.dmp
memory/780-182-0x000001C57D6A0000-0x000001C57D6AA000-memory.dmp
memory/780-180-0x000001C57D620000-0x000001C57D658000-memory.dmp
memory/780-179-0x000001C57CF10000-0x000001C57CF18000-memory.dmp
memory/780-154-0x00007FFC87160000-0x00007FFC87C22000-memory.dmp
memory/780-178-0x000001C578C30000-0x000001C578C40000-memory.dmp
memory/780-176-0x000001C5792A0000-0x000001C5795A0000-memory.dmp
memory/780-159-0x000001C572CD0000-0x000001C5765C8000-memory.dmp
memory/780-160-0x000001C578C30000-0x000001C578C40000-memory.dmp
memory/780-172-0x000001C578BA0000-0x000001C578BAA000-memory.dmp
memory/780-162-0x000001C578270000-0x000001C578280000-memory.dmp
memory/780-163-0x000001C578BC0000-0x000001C578BCC000-memory.dmp
memory/780-164-0x000001C5783D0000-0x000001C5783E4000-memory.dmp
memory/780-165-0x000001C578E50000-0x000001C578E74000-memory.dmp
memory/780-166-0x000001C578FC0000-0x000001C578FCA000-memory.dmp
memory/780-168-0x000001C579010000-0x000001C5790C2000-memory.dmp
memory/780-167-0x000001C578FE0000-0x000001C57900A000-memory.dmp
memory/780-169-0x000001C5790C0000-0x000001C57913A000-memory.dmp
memory/780-170-0x000001C579140000-0x000001C5791A2000-memory.dmp
memory/780-171-0x000001C579220000-0x000001C579296000-memory.dmp
memory/864-2-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/864-59-0x0000000000400000-0x0000000000889000-memory.dmp
memory/864-61-0x00000000026E0000-0x000000000274C000-memory.dmp
memory/864-1-0x0000000000A60000-0x0000000000B60000-memory.dmp
memory/864-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/2428-16-0x0000000000AC0000-0x0000000000BC0000-memory.dmp
memory/2428-131-0x0000000000400000-0x0000000000866000-memory.dmp
memory/2428-153-0x0000000000400000-0x0000000000866000-memory.dmp
memory/2428-17-0x0000000000A90000-0x0000000000AB7000-memory.dmp
memory/2428-18-0x0000000000400000-0x0000000000866000-memory.dmp
memory/2428-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2704-150-0x0000000000670000-0x0000000000690000-memory.dmp
memory/2704-151-0x00000000718A0000-0x0000000072051000-memory.dmp
memory/2704-155-0x00000000051E0000-0x00000000051F0000-memory.dmp
memory/2704-158-0x00000000718A0000-0x0000000072051000-memory.dmp
memory/4656-29-0x00000000028A0000-0x00000000028A1000-memory.dmp
memory/4656-152-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4656-132-0x0000000000400000-0x00000000008AD000-memory.dmp