General
-
Target
Receipt-#202431029B3.zip
-
Size
932KB
-
Sample
241217-ssj7baslbz
-
MD5
b99178cbf8a5282a151937bbc74138d6
-
SHA1
04797410e5f1cb259b3e19ab629d93c203adb7c7
-
SHA256
53ee1cf2f76ca5ca7eb3cbad6fa38a5dc04126fa7e3efa7e7449af4b1e659b8c
-
SHA512
055e99b8a5c82383cd7f56c9bd171821632ed787d935ceaadd720dc114818342fe0ef3210a421035baa84090bc308465d20001c2e982c232338deb2a2ea9dd94
-
SSDEEP
24576:yJIZirvRjAWeSS9Rj1a2et8EKn/OPQhnrDMYno2IGtL:y0iLRjAWL2evSUYnonGtL
Static task
static1
Behavioral task
behavioral1
Sample
Receipt-#202431029B3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Receipt-#202431029B3.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
172.245.244.69:2404
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
JavaRuntime.exe
-
copy_folder
Java
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-I0P1F7
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
JavaRuntime
-
take_screenshot_option
false
-
take_screenshot_time
5
Targets
-
-
Target
Receipt-#202431029B3.exe
-
Size
1.2MB
-
MD5
152c7485cbeb3bc280d028e065891d6e
-
SHA1
0ddffbb675b4569217ea960b288da13a67801983
-
SHA256
1420ee82c4ec66f06a832f01c43b0aca270fa9990f82f23fb36b899cabe11590
-
SHA512
1dc27627c964b8d39251833e4a97b3c51b334fd9cdc132094082a1ac4cae4a6d97258e04e9b87de929c18340d4af53768fa99469085db777bafb59559b1208b3
-
SSDEEP
24576:dMZMXvpjs+e2azR9jSca2PEt2kWT3GJqhDYRoPd+pT2A:AMfpjs+b2PEfYY+PspT2A
Score10/10-
Remcos family
-
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.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Suspicious use of SetThreadContext
-
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1