Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240319-en - resource tags
- submitted
04/04/2024, 09:57
General
- Target 7421f3d7fe185c554859dce897cce0b8c81dbabe2edc37bad6289df19011070a.exe
- Size 359KB
- Sample240404-lzd6bace86
- SHA256 7421f3d7fe185c554859dce897cce0b8c81dbabe2edc37bad6289df19011070a
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 26 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\7421f3d7fe185c554859dce897cce0b8c81dbabe2edc37bad6289df19011070a.exe"C:\Users\Admin\AppData\Local\Temp\7421f3d7fe185c554859dce897cce0b8c81dbabe2edc37bad6289df19011070a.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u4ps.0.exe"C:\Users\Admin\AppData\Local\Temp\u4ps.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\BGDAAEHDHI.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\BGDAAEHDHI.exe"C:\Users\Admin\AppData\Local\Temp\BGDAAEHDHI.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\BGDAAEHDHI.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 248 -s 20443⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u4ps.1.exe"C:\Users\Admin\AppData\Local\Temp\u4ps.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 6112 -s 15322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 6112 -ip 61121⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 248 -ip 2481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
BGDAAEHDHI.exe
ioloDMLog.txt
u4ps.0.exe
u4ps.1.exe
memory/248-34-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/248-29-0x0000000004770000-0x0000000004797000-memory.dmp
memory/248-193-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/248-194-0x0000000002D90000-0x0000000002E90000-memory.dmp
memory/248-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/248-91-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/248-28-0x0000000002D90000-0x0000000002E90000-memory.dmp
memory/248-116-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/1376-196-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/1376-191-0x0000000071F10000-0x00000000726C1000-memory.dmp
memory/1376-190-0x0000000000E90000-0x0000000000EB0000-memory.dmp
memory/1376-198-0x0000000071F10000-0x00000000726C1000-memory.dmp
memory/3416-23-0x00000000028A0000-0x00000000028A1000-memory.dmp
memory/3416-117-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3416-112-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/5800-161-0x000001AE787D0000-0x000001AE7884A000-memory.dmp
memory/5800-181-0x000001AE7D3D0000-0x000001AE7D3F2000-memory.dmp
memory/5800-151-0x000001AE5E1B0000-0x000001AE5E1BC000-memory.dmp
memory/5800-152-0x000001AE5E190000-0x000001AE5E1A4000-memory.dmp
memory/5800-153-0x000001AE78400000-0x000001AE78424000-memory.dmp
memory/5800-145-0x000001AE784C0000-0x000001AE785D0000-memory.dmp
memory/5800-158-0x000001AE78430000-0x000001AE7843A000-memory.dmp
memory/5800-159-0x000001AE78720000-0x000001AE787D2000-memory.dmp
memory/5800-207-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-160-0x000001AE78450000-0x000001AE7847A000-memory.dmp
memory/5800-162-0x000001AE78850000-0x000001AE788B2000-memory.dmp
memory/5800-164-0x000001AE78930000-0x000001AE789A6000-memory.dmp
memory/5800-165-0x000001AE5E160000-0x000001AE5E16A000-memory.dmp
memory/5800-169-0x000001AE789B0000-0x000001AE78CB0000-memory.dmp
memory/5800-173-0x000001AE7CD20000-0x000001AE7CD58000-memory.dmp
memory/5800-176-0x000001AE7CCF0000-0x000001AE7CCFE000-memory.dmp
memory/5800-174-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-175-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-172-0x000001AE7D3A0000-0x000001AE7D3A8000-memory.dmp
memory/5800-171-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-180-0x000001AE7D3B0000-0x000001AE7D3BA000-memory.dmp
memory/5800-150-0x000001AE5E180000-0x000001AE5E190000-memory.dmp
memory/5800-182-0x000001AE7D940000-0x000001AE7DE68000-memory.dmp
memory/5800-140-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-188-0x000001AE78E00000-0x000001AE78E50000-memory.dmp
memory/5800-139-0x000001AE5A3B0000-0x000001AE5DCA8000-memory.dmp
memory/5800-118-0x00007FFCE48F0000-0x00007FFCE53B2000-memory.dmp
memory/5800-189-0x000001AE78DB0000-0x000001AE78DBC000-memory.dmp
memory/5800-192-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-206-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-205-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-204-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-203-0x000001AE5E150000-0x000001AE5E160000-memory.dmp
memory/5800-199-0x000001AE78E50000-0x000001AE78E72000-memory.dmp
memory/5800-200-0x000001AE78E80000-0x000001AE78E9E000-memory.dmp
memory/5800-202-0x00007FFCE48F0000-0x00007FFCE53B2000-memory.dmp
memory/6112-2-0x00000000049E0000-0x0000000004A4C000-memory.dmp
memory/6112-3-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/6112-35-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/6112-36-0x00000000049E0000-0x0000000004A4C000-memory.dmp
memory/6112-1-0x0000000002C90000-0x0000000002D90000-memory.dmp