Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
26/04/2024, 08:55
General
- Target PAYMENT_ERROR.PDF.exe
- Size 1.0MB
- Sample240426-kvxanada92
- 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 4 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 3 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/844-17-0x00000000613C0000-0x00000000613E3000-memory.dmp
memory/4572-0-0x00000000023A0000-0x00000000023A1000-memory.dmp
memory/4572-18-0x0000000000400000-0x000000000050A000-memory.dmp
memory/4816-26-0x0000000000400000-0x0000000001400000-memory.dmp
memory/4816-29-0x0000000000400000-0x0000000001400000-memory.dmp
memory/4816-31-0x0000000000400000-0x0000000001400000-memory.dmp
memory/4816-32-0x0000000032120000-0x000000003217C000-memory.dmp
memory/4816-33-0x0000000034650000-0x0000000034BF4000-memory.dmp
memory/4816-34-0x0000000034520000-0x000000003457A000-memory.dmp
memory/4816-35-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-36-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-38-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-40-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-41-0x0000000000400000-0x0000000001400000-memory.dmp
memory/4816-43-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-45-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-47-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-49-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-51-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-53-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-55-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-58-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-59-0x0000000034640000-0x0000000034650000-memory.dmp
memory/4816-62-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-61-0x0000000034640000-0x0000000034650000-memory.dmp
memory/4816-57-0x0000000034640000-0x0000000034650000-memory.dmp
memory/4816-64-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-66-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-68-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-70-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-71-0x0000000075150000-0x0000000075900000-memory.dmp
memory/4816-73-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-75-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-77-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-79-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-81-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-83-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-85-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-87-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-89-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-91-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-93-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-95-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-97-0x0000000034520000-0x0000000034575000-memory.dmp
memory/4816-1114-0x00000000345C0000-0x0000000034626000-memory.dmp
memory/4816-1115-0x0000000034640000-0x0000000034650000-memory.dmp
memory/4816-1116-0x0000000035410000-0x0000000035460000-memory.dmp
memory/4816-1117-0x0000000035460000-0x00000000354FC000-memory.dmp
memory/4816-1119-0x0000000035EC0000-0x0000000035F52000-memory.dmp
memory/4816-1120-0x0000000036000000-0x000000003600A000-memory.dmp
memory/4816-1122-0x0000000034640000-0x0000000034650000-memory.dmp
memory/4816-1123-0x0000000034640000-0x0000000034650000-memory.dmp
memory/4816-1124-0x0000000034640000-0x0000000034650000-memory.dmp
memory/4816-1125-0x0000000075150000-0x0000000075900000-memory.dmp
memory/4816-1126-0x0000000034640000-0x0000000034650000-memory.dmp