Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 12:44
General
- Target SCAN_BY_XEROX.PDF.exe
- Size 1.4MB
- Sample240603-pyfjjagc22
- SHA256 5fdebf469cba1bcc94060781a86b1eddef7329664f5e4642b2bcbbafc854734a
Malware Config
Extracted
-
remcos
-
RemoteHost
-
127.0.0.1:46517
-
127.0.0.1:55767
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mypersonrem.duckdns.org:46517
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mypersonrem.duckdns.org:55767
-
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-6IQ6YR
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
- Nirsoft 7 IoCs
- Drops startup file 1 IoCs
- Executes dropped EXE 4 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SCAN_BY_XEROX.PDF.exe"C:\Users\Admin\AppData\Local\Temp\SCAN_BY_XEROX.PDF.exe"1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\directory\name.exe"C:\Users\Admin\AppData\Local\Temp\SCAN_BY_XEROX.PDF.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\directory\name.exeC:\Users\Admin\AppData\Local\directory\name.exe /stext "C:\Users\Admin\AppData\Local\Temp\uyuvvt"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\directory\name.exeC:\Users\Admin\AppData\Local\directory\name.exe /stext "C:\Users\Admin\AppData\Local\Temp\xsaowllwt"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\directory\name.exeC:\Users\Admin\AppData\Local\directory\name.exe /stext "C:\Users\Admin\AppData\Local\Temp\hmfgoewphpvk"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
prespecialist
uyuvvt
name.exe
memory/1792-10-0x0000000003F80000-0x0000000003F84000-memory.dmp
memory/2772-51-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2772-55-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2772-57-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2772-54-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2772-65-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2928-61-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2928-63-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2928-64-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3948-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-110-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-70-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3948-73-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3948-74-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3948-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-88-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3948-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5020-68-0x0000000000400000-0x0000000000478000-memory.dmp
memory/5020-46-0x0000000000400000-0x0000000000478000-memory.dmp
memory/5020-50-0x0000000000400000-0x0000000000478000-memory.dmp
memory/5020-49-0x0000000000400000-0x0000000000478000-memory.dmp
memory/5020-56-0x0000000000400000-0x0000000000478000-memory.dmp