Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 22:54
Static task
static1
Behavioral task
behavioral1
Sample
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe
Resource
win10v2004-20240426-en
General
-
Target
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe
-
Size
5.0MB
-
MD5
a61a75f56e7443ef8439ea457a1f45b7
-
SHA1
a1599a79e4304dcc71a35a5dd45fec55e5c16a50
-
SHA256
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c
-
SHA512
9ce501a4f3ccf7c8c241ac9c35653998876ffa2b3ff718523f2946e16dffdf4982de8b1d973bd1e08310c57812282c6f52480f9a83ad907f7842a2eee2131418
-
SSDEEP
24576:eXhZnJDtw/Ig00ne0t0kI8zLHPH7saDjxCuGavNNK8fkVNE+qzmT1hhA5U56vTRN:3
Malware Config
Extracted
remcos
spacolombia
areaseguras.con-ip.com:2701
-
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
loggsd
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Rmc12145501-WMWIXV
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
- startup_value
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1432-4905-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1432-4923-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gprskn = "C:\\Users\\Admin\\AppData\\Roaming\\Gprskn.exe" 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exedescription pid process target process PID 4940 set thread context of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exedescription pid process Token: SeDebugPrivilege 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe Token: SeDebugPrivilege 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exepid process 1432 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exedescription pid process target process PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe PID 4940 wrote to memory of 1432 4940 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe 78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe"C:\Users\Admin\AppData\Local\Temp\78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Users\Admin\AppData\Local\Temp\78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe"C:\Users\Admin\AppData\Local\Temp\78044e38f1aa6a5a7362ac521b38b85ec5bc18225cbb8758f8ff3f0059b0f73c.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:1432
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
184B
MD52995c917573c0417a5c52830f97272c4
SHA1500b4a8ac10498a292058b6831fa465c9a03932b
SHA256bbeab270b19f51172ab057f6f5ef9999721a1ada7e4aedc4f1e827c9bd16440a
SHA51220c6d6d100a016275f0fd7b0f6785a06f538eebf70a9bf9bd5799c1daad8e3d81cdc3d6b17660e96cb255ac1267e7ba45e34d7e55160bcf88c227327bba4df5e