Analysis
- max time kernel
118s - max time network
143s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
12/04/2024, 07:57
General
- Target b59b49633661c5dd6921da1c65dfa862.exe
- Size 490KB
- Sample240412-js811agh73
- SHA256 0dc9afa5a875c051c3dacf9be22239a41bda5c2eb39fb5e69b1e7059e542fe53
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 11 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).
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 32 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b59b49633661c5dd6921da1c65dfa862.exe"C:\Users\Admin\AppData\Local\Temp\b59b49633661c5dd6921da1c65dfa862.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1lo.0.exe"C:\Users\Admin\AppData\Local\Temp\u1lo.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\HDGCAAFBFB.exe"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HDGCAAFBFB.exe"C:\Users\Admin\AppData\Local\Temp\HDGCAAFBFB.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\HDGCAAFBFB.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\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JKKFIIEBKE.exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\u1lo.1.exe"C:\Users\Admin\AppData\Local\Temp\u1lo.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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
8112f267285947f4bb856b9776e44c6d.tmp
ioloDMLog.txt
mozglue.dll
nss3.dll
HDGCAAFBFB.exe
u1lo.0.exe
u1lo.1.exe
memory/1332-221-0x000000001EC20000-0x000000001ECA0000-memory.dmp
memory/1332-208-0x000000001F930000-0x000000001FC30000-memory.dmp
memory/1332-219-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp
memory/1332-217-0x000000001E4B0000-0x000000001E4BC000-memory.dmp
memory/1332-218-0x000000001EC20000-0x000000001ECA0000-memory.dmp
memory/1332-224-0x0000000000BE0000-0x0000000000BEA000-memory.dmp
memory/1332-214-0x000000001EAC0000-0x000000001EAE2000-memory.dmp
memory/1332-213-0x000000001E010000-0x000000001E01A000-memory.dmp
memory/1332-225-0x000000001EC20000-0x000000001ECA0000-memory.dmp
memory/1332-226-0x000000001EC20000-0x000000001ECA0000-memory.dmp
memory/1332-212-0x000000001EC20000-0x000000001ECA0000-memory.dmp
memory/1332-211-0x000000001EC20000-0x000000001ECA0000-memory.dmp
memory/1332-210-0x0000000000BE0000-0x0000000000BEA000-memory.dmp
memory/1332-199-0x0000000000C20000-0x0000000000C2A000-memory.dmp
memory/1332-204-0x0000000000BC0000-0x0000000000BCA000-memory.dmp
memory/1332-227-0x000000001EC20000-0x000000001ECA0000-memory.dmp
memory/1332-181-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp
memory/1332-183-0x0000000000D60000-0x0000000004658000-memory.dmp
memory/1332-203-0x000000001E3F0000-0x000000001E452000-memory.dmp
memory/1332-202-0x0000000000AB0000-0x0000000000B2A000-memory.dmp
memory/1332-201-0x000000001F310000-0x000000001F3C2000-memory.dmp
memory/1332-190-0x000000001EC20000-0x000000001ECA0000-memory.dmp
memory/1332-200-0x000000001EA90000-0x000000001EABA000-memory.dmp
memory/1332-192-0x000000001EE90000-0x000000001EFA0000-memory.dmp
memory/1332-193-0x00000000002F0000-0x0000000000300000-memory.dmp
memory/1332-194-0x0000000000B30000-0x0000000000B3C000-memory.dmp
memory/1332-195-0x0000000000410000-0x0000000000424000-memory.dmp
memory/1332-197-0x0000000000D40000-0x0000000000D64000-memory.dmp
memory/1756-186-0x00000000007C0000-0x00000000007C1000-memory.dmp
memory/2076-3-0x0000000000400000-0x000000000048B000-memory.dmp
memory/2076-1-0x0000000000620000-0x0000000000720000-memory.dmp
memory/2076-2-0x0000000000240000-0x00000000002AC000-memory.dmp
memory/2076-33-0x0000000000400000-0x000000000048B000-memory.dmp
memory/2076-36-0x0000000000620000-0x0000000000720000-memory.dmp
memory/2708-136-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2708-39-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2708-96-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3032-143-0x0000000000710000-0x0000000000810000-memory.dmp
memory/3032-140-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3032-141-0x0000000000710000-0x0000000000810000-memory.dmp
memory/3032-95-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3032-44-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3032-142-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3032-38-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3032-37-0x0000000000220000-0x0000000000247000-memory.dmp
memory/3032-34-0x0000000000710000-0x0000000000810000-memory.dmp
memory/3064-198-0x0000000073C00000-0x00000000742EE000-memory.dmp
memory/3064-184-0x00000000012D0000-0x00000000012F0000-memory.dmp
memory/3064-185-0x0000000073C00000-0x00000000742EE000-memory.dmp
memory/3064-191-0x0000000000370000-0x00000000003B0000-memory.dmp