Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
28/04/2024, 01:13
General
- Target PAYMENT_ERROR.PDF.exe
- Size 1.0MB
- Sample240428-blejtacf72
- SHA256 0ecc90be340405861b10203bea0cf2fe20b621387d5c0bbc3bfd305d106e51e0
Malware Config
Signatures
- Detect ZGRat V1 32 IoCs
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- ZGRat
ZGRat is remote access trojan written in C#.
- ModiLoader Second Stage 2 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates system info in registry 2 TTPs 3 IoCs
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 31 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PAYMENT_ERROR.PDF.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT_ERROR.PDF.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\TmphjusyO.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵
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C:\Windows\SysWOW64\xcopy.exexcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵
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C:\Windows\SysWOW64\xcopy.exexcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ECHO F"3⤵
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C:\Windows\SysWOW64\xcopy.exexcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y3⤵
- Enumerates system info in registry
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C:\Windows \System32\easinvoker.exe"C:\Windows \System32\easinvoker.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\PAYMENT_ERROR.PDF.exe C:\\Users\\Public\\Libraries\\Tmphjusy.PIF2⤵
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C:\Users\Public\Libraries\ysujhpmT.pifC:\Users\Public\Libraries\ysujhpmT.pif2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
TmphjusyO.bat
easinvoker.exe
netutils.dll
ysujhpmT.pif
memory/1044-18-0x00000000613C0000-0x00000000613E3000-memory.dmp
memory/3060-0-0x00000000023C0000-0x00000000023C1000-memory.dmp
memory/3060-1-0x0000000000400000-0x000000000050A000-memory.dmp
memory/3972-71-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-61-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-31-0x0000000026120000-0x000000002617C000-memory.dmp
memory/3972-33-0x0000000028C30000-0x0000000028C8A000-memory.dmp
memory/3972-32-0x0000000028640000-0x0000000028BE4000-memory.dmp
memory/3972-45-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-43-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-91-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-89-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-87-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-85-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-81-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-79-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-77-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-73-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-26-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3972-67-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-65-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-63-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-29-0x0000000000400000-0x0000000001400000-memory.dmp
memory/3972-59-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-49-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-83-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-75-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-69-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-57-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-55-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-53-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-51-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-47-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-41-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-39-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-37-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-35-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-34-0x0000000028C30000-0x0000000028C85000-memory.dmp
memory/3972-1108-0x0000000028DC0000-0x0000000028E26000-memory.dmp
memory/3972-1109-0x0000000029550000-0x00000000295A0000-memory.dmp
memory/3972-1110-0x00000000295A0000-0x000000002963C000-memory.dmp
memory/3972-1111-0x0000000029EC0000-0x0000000029F52000-memory.dmp
memory/3972-1112-0x000000002A000000-0x000000002A00A000-memory.dmp