Analysis
- max time kernel
142s - max time network
144s - platform
windows11-21h2_x64 - resource
win11-20240214-en - resource tags
- submitted
03/04/2024, 09:53
General
- Target 5c19f6341cb3d3db3eaaff37ee65f701cfb923cea515bb08baee82d851530998.exe
- Size 428KB
- Sample240403-lws53acc52
- SHA256 5c19f6341cb3d3db3eaaff37ee65f701cfb923cea515bb08baee82d851530998
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\5c19f6341cb3d3db3eaaff37ee65f701cfb923cea515bb08baee82d851530998.exe"C:\Users\Admin\AppData\Local\Temp\5c19f6341cb3d3db3eaaff37ee65f701cfb923cea515bb08baee82d851530998.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uw0.0.exe"C:\Users\Admin\AppData\Local\Temp\uw0.0.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\HCAEHJJKFC.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe"C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.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\HCAEHJJKFC.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 4468 -s 25683⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\uw0.1.exe"C:\Users\Admin\AppData\Local\Temp\uw0.1.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 1152 -s 11562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1152 -ip 11521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4468 -ip 44681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
HCAEHJJKFC.exe
ioloDMLog.txt
uw0.0.exe
uw0.1.exe
memory/1080-140-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1080-128-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1080-26-0x0000000002620000-0x0000000002621000-memory.dmp
memory/1152-1-0x0000000000AA0000-0x0000000000BA0000-memory.dmp
memory/1152-32-0x0000000002760000-0x00000000027CC000-memory.dmp
memory/1152-31-0x0000000000400000-0x0000000000889000-memory.dmp
memory/1152-3-0x0000000000400000-0x0000000000889000-memory.dmp
memory/1152-2-0x0000000002760000-0x00000000027CC000-memory.dmp
memory/3100-153-0x0000020CF4B30000-0x0000020CF4BAA000-memory.dmp
memory/3100-167-0x0000020CF9040000-0x0000020CF904E000-memory.dmp
memory/3100-200-0x0000020CF24C0000-0x0000020CF24D0000-memory.dmp
memory/3100-141-0x00007FFB32530000-0x00007FFB32FF2000-memory.dmp
memory/3100-142-0x0000020CEE740000-0x0000020CF2038000-memory.dmp
memory/3100-199-0x0000020CF24C0000-0x0000020CF24D0000-memory.dmp
memory/3100-144-0x0000020CF24C0000-0x0000020CF24D0000-memory.dmp
memory/3100-145-0x0000020CF47A0000-0x0000020CF48B0000-memory.dmp
memory/3100-146-0x0000020CF2510000-0x0000020CF2520000-memory.dmp
memory/3100-147-0x0000020CF3DF0000-0x0000020CF3DFC000-memory.dmp
memory/3100-148-0x0000020CF2520000-0x0000020CF2534000-memory.dmp
memory/3100-149-0x0000020CF48B0000-0x0000020CF48D4000-memory.dmp
memory/3100-150-0x0000020CF48D0000-0x0000020CF48DA000-memory.dmp
memory/3100-152-0x0000020CF4A80000-0x0000020CF4B32000-memory.dmp
memory/3100-151-0x0000020CF4A50000-0x0000020CF4A7A000-memory.dmp
memory/3100-198-0x0000020CF24C0000-0x0000020CF24D0000-memory.dmp
memory/3100-154-0x0000020CF4BB0000-0x0000020CF4C12000-memory.dmp
memory/3100-155-0x0000020CF4C90000-0x0000020CF4D06000-memory.dmp
memory/3100-156-0x0000020CF24A0000-0x0000020CF24AA000-memory.dmp
memory/3100-160-0x0000020CF4D10000-0x0000020CF5010000-memory.dmp
memory/3100-163-0x0000020CF24C0000-0x0000020CF24D0000-memory.dmp
memory/3100-162-0x0000020CF9730000-0x0000020CF9738000-memory.dmp
memory/3100-165-0x0000020CF9070000-0x0000020CF90A8000-memory.dmp
memory/3100-197-0x0000020CF24C0000-0x0000020CF24D0000-memory.dmp
memory/3100-166-0x0000020CF24C0000-0x0000020CF24D0000-memory.dmp
memory/3100-164-0x0000020CF24C0000-0x0000020CF24D0000-memory.dmp
memory/3100-168-0x0000020CF9740000-0x0000020CF974A000-memory.dmp
memory/3100-169-0x0000020CF99E0000-0x0000020CF9A02000-memory.dmp
memory/3100-170-0x0000020CF9F30000-0x0000020CFA458000-memory.dmp
memory/3100-173-0x0000020CF97B0000-0x0000020CF9800000-memory.dmp
memory/3100-174-0x0000020CF9760000-0x0000020CF976C000-memory.dmp
memory/3100-196-0x00007FFB32530000-0x00007FFB32FF2000-memory.dmp
memory/3100-180-0x0000020CF5140000-0x0000020CF5162000-memory.dmp
memory/3100-181-0x0000020CF5170000-0x0000020CF518E000-memory.dmp
memory/3472-189-0x00000000001C0000-0x00000000001E0000-memory.dmp
memory/3472-190-0x00000000718F0000-0x00000000720A1000-memory.dmp
memory/3472-191-0x0000000004CC0000-0x0000000004CD0000-memory.dmp
memory/3472-195-0x00000000718F0000-0x00000000720A1000-memory.dmp
memory/4468-13-0x0000000000B90000-0x0000000000C90000-memory.dmp
memory/4468-192-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4468-14-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4468-127-0x0000000000400000-0x0000000000866000-memory.dmp
memory/4468-15-0x0000000000B00000-0x0000000000B27000-memory.dmp
memory/4468-143-0x0000000000B90000-0x0000000000C90000-memory.dmp
memory/4468-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp