Analysis
- max time kernel
150s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
04/04/2024, 09:48
General
- Target 9152f85d31e23e6075121ce763ac0b0cd6244d29f8e84bc7b7e739f55de583e6.exe
- Size 359KB
- Sample240404-lsztfabg21
- SHA256 9152f85d31e23e6075121ce763ac0b0cd6244d29f8e84bc7b7e739f55de583e6
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\9152f85d31e23e6075121ce763ac0b0cd6244d29f8e84bc7b7e739f55de583e6.exe"C:\Users\Admin\AppData\Local\Temp\9152f85d31e23e6075121ce763ac0b0cd6244d29f8e84bc7b7e739f55de583e6.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1z8.0.exe"C:\Users\Admin\AppData\Local\Temp\u1z8.0.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\BFHJJJDAFB.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\BFHJJJDAFB.exe"C:\Users\Admin\AppData\Local\Temp\BFHJJJDAFB.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\BFHJJJDAFB.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 3764 -s 24603⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1z8.1.exe"C:\Users\Admin\AppData\Local\Temp\u1z8.1.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 2564 -s 9922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2564 -ip 25641⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3764 -ip 37641⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
BFHJJJDAFB.exe
ioloDMLog.txt
ioloDMLog.txt
u1z8.0.exe
u1z8.1.exe
memory/1432-155-0x0000021932F70000-0x0000021932F7A000-memory.dmp
memory/1432-161-0x0000021932C30000-0x0000021932C3A000-memory.dmp
memory/1432-202-0x0000021932CA0000-0x0000021932CB0000-memory.dmp
memory/1432-201-0x0000021932CA0000-0x0000021932CB0000-memory.dmp
memory/1432-200-0x0000021932CA0000-0x0000021932CB0000-memory.dmp
memory/1432-199-0x0000021932CA0000-0x0000021932CB0000-memory.dmp
memory/1432-198-0x00007FFF03660000-0x00007FFF04122000-memory.dmp
memory/1432-196-0x0000021933720000-0x000002193373E000-memory.dmp
memory/1432-195-0x00000219336F0000-0x0000021933712000-memory.dmp
memory/1432-185-0x00000219336A0000-0x00000219336F0000-memory.dmp
memory/1432-187-0x0000021933650000-0x000002193365C000-memory.dmp
memory/1432-178-0x00000219381F0000-0x0000021938718000-memory.dmp
memory/1432-145-0x00007FFF03660000-0x00007FFF04122000-memory.dmp
memory/1432-147-0x0000021914C70000-0x0000021918568000-memory.dmp
memory/1432-176-0x0000021937C80000-0x0000021937C8A000-memory.dmp
memory/1432-149-0x0000021932CB0000-0x0000021932DC0000-memory.dmp
memory/1432-150-0x0000021932CA0000-0x0000021932CB0000-memory.dmp
memory/1432-151-0x0000021918A40000-0x0000021918A50000-memory.dmp
memory/1432-152-0x0000021932C60000-0x0000021932C6C000-memory.dmp
memory/1432-153-0x0000021932C50000-0x0000021932C64000-memory.dmp
memory/1432-154-0x0000021932E00000-0x0000021932E24000-memory.dmp
memory/1432-156-0x0000021932F90000-0x0000021933042000-memory.dmp
memory/1432-177-0x0000021937CA0000-0x0000021937CC2000-memory.dmp
memory/1432-158-0x0000021933070000-0x00000219330EA000-memory.dmp
memory/1432-157-0x0000021933040000-0x000002193306A000-memory.dmp
memory/1432-159-0x00000219330F0000-0x0000021933152000-memory.dmp
memory/1432-160-0x00000219331D0000-0x0000021933246000-memory.dmp
memory/1432-175-0x00000219375C0000-0x00000219375CE000-memory.dmp
memory/1432-165-0x0000021933250000-0x0000021933550000-memory.dmp
memory/1432-167-0x0000021932CA0000-0x0000021932CB0000-memory.dmp
memory/1432-171-0x0000021937C70000-0x0000021937C78000-memory.dmp
memory/1432-172-0x0000021932CA0000-0x0000021932CB0000-memory.dmp
memory/1432-173-0x0000021932CA0000-0x0000021932CB0000-memory.dmp
memory/1432-174-0x00000219375F0000-0x0000021937628000-memory.dmp
memory/2028-194-0x0000000071EC0000-0x0000000072671000-memory.dmp
memory/2028-188-0x00000000003F0000-0x0000000000410000-memory.dmp
memory/2028-189-0x0000000071EC0000-0x0000000072671000-memory.dmp
memory/2028-191-0x0000000004D20000-0x0000000004D30000-memory.dmp
memory/2408-144-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2408-29-0x0000000002760000-0x0000000002761000-memory.dmp
memory/2408-139-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2564-1-0x0000000002E90000-0x0000000002F90000-memory.dmp
memory/2564-36-0x0000000002E00000-0x0000000002E6C000-memory.dmp
memory/2564-35-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/2564-2-0x0000000002E00000-0x0000000002E6C000-memory.dmp
memory/2564-3-0x0000000000400000-0x0000000002B83000-memory.dmp
memory/3764-180-0x0000000002CB0000-0x0000000002DB0000-memory.dmp
memory/3764-190-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/3764-13-0x0000000002CB0000-0x0000000002DB0000-memory.dmp
memory/3764-14-0x0000000004860000-0x0000000004887000-memory.dmp
memory/3764-27-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/3764-97-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/3764-179-0x0000000000400000-0x0000000002B60000-memory.dmp
memory/3764-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3764-148-0x0000000000400000-0x0000000002B60000-memory.dmp