General
-
Target
SPP_14667098030794_8611971920·pdf.vbs
-
Size
15KB
-
Sample
241104-sk7mmssdjp
-
MD5
32166cc1965b1dfa389671abcdbf90f3
-
SHA1
897a0567851433b4c116a7703ba16cd262dafdc5
-
SHA256
c8dc3da743828ede92e47375261bb9e9c192e307e779e56af8c63e0e9cb919d7
-
SHA512
4957257bc4724bce2a516d39a576bbc397553fbcb0a80a951c9fb3e1a5294159e53000dc42db7279bef1274c426fb1a21b38f4715a320612481bc443c77a6522
-
SSDEEP
192:dNbwZ3XUlJPdrDdCR/vXZUr56NxE9yrVvla5Loea+1v+tkqxIXJM8+lbuzCv/K:bb+XyJPdHE61fwVvlaj1v+zI5glblv/K
Static task
static1
Behavioral task
behavioral1
Sample
SPP_14667098030794_8611971920·pdf.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
SPP_14667098030794_8611971920·pdf.vbs
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
a458386d9.duckdns.org:3256
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
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
true
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-4EN793
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Targets
-
-
Target
SPP_14667098030794_8611971920·pdf.vbs
-
Size
15KB
-
MD5
32166cc1965b1dfa389671abcdbf90f3
-
SHA1
897a0567851433b4c116a7703ba16cd262dafdc5
-
SHA256
c8dc3da743828ede92e47375261bb9e9c192e307e779e56af8c63e0e9cb919d7
-
SHA512
4957257bc4724bce2a516d39a576bbc397553fbcb0a80a951c9fb3e1a5294159e53000dc42db7279bef1274c426fb1a21b38f4715a320612481bc443c77a6522
-
SSDEEP
192:dNbwZ3XUlJPdrDdCR/vXZUr56NxE9yrVvla5Loea+1v+tkqxIXJM8+lbuzCv/K:bb+XyJPdHE61fwVvlaj1v+zI5glblv/K
-
Remcos family
-
Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
-
NirSoft MailPassView
Password recovery tool for various email clients
-
NirSoft WebBrowserPassView
Password recovery tool for various web browsers
-
Blocklisted process makes network request
-
Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Accesses Microsoft Outlook accounts
-
Adds Run key to start application
-
Legitimate hosting services abused for malware hosting/C2
-
Suspicious use of NtCreateThreadExHideFromDebugger
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
Suspicious use of SetThreadContext
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Authentication Process
1Modify Registry
3