Analysis
- max time kernel
132s - max time network
178s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
31/01/2024, 10:30
General
- Target Aviso de Pagamento_ Banco Montepio_Pdf.bat.exe
- Size 2.0MB
- Sample240131-mjs5zaabd7
- SHA256 ea535ce23faae6989de67ca05ae39412399aa927ea8b60c4d0f20075403dcc27
Malware Config
Extracted
-
remcos
-
RemoteHost
-
172.96.14.67:9785
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-6W5HVR
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Remcos
Remcos is a closed-source remote control and surveillance software.
- ModiLoader Second Stage 1 IoCs
- NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Nirsoft 6 IoCs
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Program crash 1 IoCs
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Aviso de Pagamento_ Banco Montepio_Pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\Aviso de Pagamento_ Banco Montepio_Pdf.bat.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\SndVol.exeC:\Windows\System32\SndVol.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\SndVol.exeC:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\eogqnbbkwmuplpujvqhp"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Windows\SysWOW64\SndVol.exeC:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\gqliotmekumcnvqvebbqgdz"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Windows\SysWOW64\SndVol.exeC:\Windows\SysWOW64\SndVol.exe /stext "C:\Users\Admin\AppData\Local\Temp\rkzbgmwfycehxkezvmokjqurcs"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 7363⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2476 -ip 24761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
eogqnbbkwmuplpujvqhp
memory/808-42-0x0000000000400000-0x0000000000478000-memory.dmp
memory/808-27-0x0000000000400000-0x0000000000478000-memory.dmp
memory/808-22-0x0000000000400000-0x0000000000478000-memory.dmp
memory/808-19-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2104-0-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2104-1-0x0000000002510000-0x0000000002511000-memory.dmp
memory/2104-2-0x0000000004150000-0x0000000005150000-memory.dmp
memory/2104-3-0x0000000004150000-0x0000000005150000-memory.dmp
memory/2104-5-0x0000000000400000-0x0000000000608000-memory.dmp
memory/2476-16-0x0000000000AC0000-0x0000000001AC0000-memory.dmp
memory/2476-18-0x0000000000AC0000-0x0000000001AC0000-memory.dmp
memory/2476-15-0x0000000000AC0000-0x0000000001AC0000-memory.dmp
memory/2476-14-0x0000000000AC0000-0x0000000001AC0000-memory.dmp
memory/2476-45-0x0000000000AC0000-0x0000000001AC0000-memory.dmp
memory/2476-44-0x000000001AEC0000-0x000000001AED9000-memory.dmp
memory/2476-13-0x0000000000AC0000-0x0000000001AC0000-memory.dmp
memory/2476-39-0x000000001AEC0000-0x000000001AED9000-memory.dmp
memory/2476-11-0x0000000000AC0000-0x0000000001AC0000-memory.dmp
memory/2476-10-0x0000000000AC0000-0x0000000001AC0000-memory.dmp
memory/3060-30-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3060-34-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3060-29-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3060-25-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3060-21-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3364-32-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3364-33-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3364-31-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3364-24-0x0000000000400000-0x0000000000424000-memory.dmp