General
- Target Payment Advice-BCS_ECS9522024072517150011_4137_952.PDF.iso
- Size 1.3MB
- Sample240806-rppf7avfld
- SHA256 c95b2cc50aed5c4c73058fb3318d53ce485a5be1e7e03e0a0d53b109ff9143b3
- MD5 1e59d8412141953b38e0abc09166fbbe
- SHA1 08cc154be8bb6653bc980e51313b7f106b367455
- SHA512 4eccd76d510c66fc24ffb065b9a752b088bef5c9771865748916df5223bb5c198cf6bb2d763d56931f29178c44c6d0233ff14f2a92cde96b80bc55ba301a2796
- SSDEEP 24576:vwTvpI1Zmua1fqbW3Du55sj/n++JXfdVw4AyTlH:G4ZUfGW3v++JXfdVw4Aml
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
Payment Advice-BCS_ECS9522024072517150011_4137_952.PDF.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Payment Advice-BCS_ECS9522024072517150011_4137_952.PDF.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
-
remcos
-
RemoteHost
-
127.0.0.1:59089
-
legacyrem.duckdns.org:59089
-
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-BF03RK
-
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 Payment Advice-BCS_ECS9522024072517150011_4137_952.PDF.exe
- Size 1.2MB
- SHA256 f67f5bb3bd7ee0cdf4f4420f71bb13852f4f69687e8aba379cf45687fdda0bf7
- MD5 187869fef986ba0a771d0161712e8efd
- SHA1 5df907792f2792532639044db562aa06e52fd60b
- SHA512 1f1c32a1fe06026e6f7cba765052a87e5cc7a76fc8b0f2e5d2c751513bed80a5ab16de1b20c77ce699647c97f1d693bf9fbfd06a60e124c672b19d7a99c90649
- SSDEEP 24576:YwTvpI1Zmua1fqbW3Du55sj/n++JXfdVw4AyTlHy:14ZUfGW3v++JXfdVw4AmlS
- MD5 SHA1 SHA512 SSDEEP
Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Accesses Microsoft Outlook accounts
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
3Disable or Modify Tools
3Modify Registry
4