General
- Target INV-00475_pdf.vbs
- Size 98KB
- Sample261109-mfkpesef39
- SHA256 45b8b3cf01d1e39999a0f60442ced56f63e54fd5941b124e4218c24c82ab3c22
- MD5 53a559a09b3b3eb113b209076ce8d93a
- SHA1 d00cdf9607eeef613d7c36dc45b60aca5c13fb36
- SHA512 b2b5e24536aa1ebbd004020338fe30cf1df957c89985116991fb3293f9c24c9616332c47bed0df82286593f8b9f89d6a7295bf84dbcaa1af4aa9ef6cb70ee0b7
- SSDEEP 1536:1L84b3ijuNR8d6+g3Y/ubRtbv5vI4AYVrGVqXsvvk7:1Bij8+I+g6qnveYVKVdu
- TLSH T1E0A3A2D19D5025D50D073291DC090961CFA6EC05DF3A30636BA852CAC3B6F6E92A9FFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
INV-00475_pdf.vbs
Resource
win10v2004-20260911-en
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
INV-00475_pdf.vbs
Resource
win11ltsc2024-20260911-en
11 signatures
150 seconds
Malware Config
Extracted
Family
-
remcos
Version
-
7.3.1 Pro
Botnet
-
RemoteHost
C2
-
31.57.216.216:2404
Attributes
-
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
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-TMQ4UY
-
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 INV-00475_pdf.vbs
- Size 98KB
- SHA256 45b8b3cf01d1e39999a0f60442ced56f63e54fd5941b124e4218c24c82ab3c22
- MD5 53a559a09b3b3eb113b209076ce8d93a
- SHA1 d00cdf9607eeef613d7c36dc45b60aca5c13fb36
- SHA512 b2b5e24536aa1ebbd004020338fe30cf1df957c89985116991fb3293f9c24c9616332c47bed0df82286593f8b9f89d6a7295bf84dbcaa1af4aa9ef6cb70ee0b7
- SSDEEP 1536:1L84b3ijuNR8d6+g3Y/ubRtbv5vI4AYVrGVqXsvvk7:1Bij8+I+g6qnveYVKVdu
- TLSH T1E0A3A2D19D5025D50D073291DC090961CFA6EC05DF3A30636BA852CAC3B6F6E92A9FFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1