General
- Target f592c9039e109241cbfd30ae6b0ec2c1098b10ca1dfa80eb427edea6564265f5.vbs
- Size 15KB
- Sample241105-e68j6svckb
- SHA256 f592c9039e109241cbfd30ae6b0ec2c1098b10ca1dfa80eb427edea6564265f5
- MD5 dd2dbf4aaf7ccc943b82dda51afc985e
- SHA1 61a75176fefa4be72f5978319116722396a0e919
- SHA512 bcaaeeb59703067a86e59d94323f20347ca047c54658baf2dd4f50101a089b63407de4654138ed6dcf46a664cac0f5724322d9db86e4167d1e61b09db4a97f32
- SSDEEP 384:9b7o6mutReVkQRfjj+3auNjYKv5QN+pBcXg:ds6muSfe3auhYKuMpB7
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
f592c9039e109241cbfd30ae6b0ec2c1098b10ca1dfa80eb427edea6564265f5.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f592c9039e109241cbfd30ae6b0ec2c1098b10ca1dfa80eb427edea6564265f5.vbs
Resource
win10v2004-20241007-en
Malware Config
Extracted
-
remcos
-
RemoteHost
-
ris4sts8yan0i.duckdns.org:23458
-
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-LAZAF7
-
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 f592c9039e109241cbfd30ae6b0ec2c1098b10ca1dfa80eb427edea6564265f5.vbs
- Size 15KB
- SHA256 f592c9039e109241cbfd30ae6b0ec2c1098b10ca1dfa80eb427edea6564265f5
- MD5 dd2dbf4aaf7ccc943b82dda51afc985e
- SHA1 61a75176fefa4be72f5978319116722396a0e919
- SHA512 bcaaeeb59703067a86e59d94323f20347ca047c54658baf2dd4f50101a089b63407de4654138ed6dcf46a664cac0f5724322d9db86e4167d1e61b09db4a97f32
- SSDEEP 384:9b7o6mutReVkQRfjj+3auNjYKv5QN+pBcXg:ds6muSfe3auhYKuMpB7
- MD5 SHA1 SHA512 SSDEEP
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
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
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Authentication Process
1Modify Registry
2