Analysis
- max time kernel
133s - max time network
136s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
08/05/2024, 09:50
General
- Target a369bc4afec47220b6b868d01f5a2c8064c2cbe26f373430cdf908c79e8c993a.exe
- Size 368KB
- Sample240508-lvc3fsef21
- SHA256 a369bc4afec47220b6b868d01f5a2c8064c2cbe26f373430cdf908c79e8c993a
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.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 2 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a369bc4afec47220b6b868d01f5a2c8064c2cbe26f373430cdf908c79e8c993a.exe"C:\Users\Admin\AppData\Local\Temp\a369bc4afec47220b6b868d01f5a2c8064c2cbe26f373430cdf908c79e8c993a.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1y4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1y4.0.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 13723⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u1y4.1.exe"C:\Users\Admin\AppData\Local\Temp\u1y4.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
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 2524 -s 14082⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2524 -ip 25241⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2880 -ip 28801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
u1y4.0.exe
u1y4.1.exe
memory/2264-66-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2264-53-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2524-36-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2524-1-0x0000000001B40000-0x0000000001C40000-memory.dmp
memory/2524-35-0x0000000003740000-0x00000000037AC000-memory.dmp
memory/2524-30-0x0000000000400000-0x0000000001A26000-memory.dmp
memory/2524-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/2524-2-0x0000000003740000-0x00000000037AC000-memory.dmp
memory/2880-14-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2880-15-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2880-13-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2880-105-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2880-103-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2880-101-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2880-98-0x0000000000400000-0x0000000001A03000-memory.dmp
memory/2992-74-0x000001AAFD9D0000-0x000001AAFD9FA000-memory.dmp
memory/2992-86-0x000001AAFFEA0000-0x000001AAFFEAE000-memory.dmp
memory/2992-73-0x000001AAFD9A0000-0x000001AAFD9AA000-memory.dmp
memory/2992-71-0x000001AAFD7A0000-0x000001AAFD7B4000-memory.dmp
memory/2992-75-0x000001AAFDA00000-0x000001AAFDAB2000-memory.dmp
memory/2992-76-0x000001AAFDB00000-0x000001AAFDB50000-memory.dmp
memory/2992-77-0x000001AAFDB50000-0x000001AAFDB72000-memory.dmp
memory/2992-78-0x000001AAFD570000-0x000001AAFD57A000-memory.dmp
memory/2992-82-0x000001AAFDB80000-0x000001AAFDE80000-memory.dmp
memory/2992-84-0x000001AAFFE90000-0x000001AAFFE98000-memory.dmp
memory/2992-85-0x000001AAFFEE0000-0x000001AAFFF18000-memory.dmp
memory/2992-72-0x000001AAFD820000-0x000001AAFD844000-memory.dmp
memory/2992-87-0x000001AAFFEB0000-0x000001AAFFEB8000-memory.dmp
memory/2992-88-0x000001AA826F0000-0x000001AA826FA000-memory.dmp
memory/2992-89-0x000001AA829A0000-0x000001AA82A02000-memory.dmp
memory/2992-90-0x000001AA82710000-0x000001AA82732000-memory.dmp
memory/2992-91-0x000001AA82F30000-0x000001AA83458000-memory.dmp
memory/2992-94-0x000001AA82730000-0x000001AA8273C000-memory.dmp
memory/2992-95-0x000001AB00000000-0x000001AB00076000-memory.dmp
memory/2992-96-0x000001AAFFF20000-0x000001AAFFF3E000-memory.dmp
memory/2992-70-0x000001AAFD7B0000-0x000001AAFD7BC000-memory.dmp
memory/2992-69-0x000001AAE3440000-0x000001AAE3450000-memory.dmp
memory/2992-68-0x000001AAFD690000-0x000001AAFD79A000-memory.dmp
memory/2992-67-0x000001AADF770000-0x000001AAE2FA4000-memory.dmp