Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
30s -
max time network
34s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
27/06/2024, 05:44
Static task
static1
Behavioral task
behavioral1
Sample
TAX DOCUMENTS 2/1099-MISC.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
TAX DOCUMENTS 2/1099-MISC.pdf
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
TAX DOCUMENTS 2/W2_2023.exe
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
TAX DOCUMENTS 2/W2_2023.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
TAX DOCUMENTS 2/g2m.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
TAX DOCUMENTS 2/g2m.dll
Resource
win10v2004-20240611-en
General
-
Target
TAX DOCUMENTS 2/g2m.dll
-
Size
100.0MB
-
MD5
fdd7fab01cc9eb7349f24ef1dbd60721
-
SHA1
b749ad4a425671627562fba3a956672287ea0ac2
-
SHA256
5b56f1de607f06430e1207d3d4cb2f9f353be1958f48c95a55d7ce5fe1535e67
-
SHA512
3ccba57756e93c1ca8acc4bdace284831af299b227bc7f3f825bf193acf0bbcc8d3f382c5f497e3d167c42f69e241c3cffc0066851ca078bcc201fa5b56a47fa
-
SSDEEP
196608:r8u0ivGTAslgbSYBsnBho/wnBvq+4rMOblxz6qYFS1qY2aubxi58/EUxFFVszp:r8uzvfaEog+4rdbUTFVk
Malware Config
Extracted
remcos
RemoteHost
193.142.146.21:2404
-
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-24AV61
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*Chrome = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\VIVA_01.dll,EntryPoint" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2192 set thread context of 4780 2192 regsvr32.exe 94 -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 5100 wrote to memory of 2192 5100 regsvr32.exe 83 PID 5100 wrote to memory of 2192 5100 regsvr32.exe 83 PID 5100 wrote to memory of 2192 5100 regsvr32.exe 83 PID 2192 wrote to memory of 3512 2192 regsvr32.exe 93 PID 2192 wrote to memory of 3512 2192 regsvr32.exe 93 PID 2192 wrote to memory of 3512 2192 regsvr32.exe 93 PID 2192 wrote to memory of 4780 2192 regsvr32.exe 94 PID 2192 wrote to memory of 4780 2192 regsvr32.exe 94 PID 2192 wrote to memory of 4780 2192 regsvr32.exe 94 PID 2192 wrote to memory of 4780 2192 regsvr32.exe 94 PID 2192 wrote to memory of 4780 2192 regsvr32.exe 94 PID 3512 wrote to memory of 1908 3512 cmd.exe 96 PID 3512 wrote to memory of 1908 3512 cmd.exe 96 PID 3512 wrote to memory of 1908 3512 cmd.exe 96
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s "C:\Users\Admin\AppData\Local\Temp\TAX DOCUMENTS 2\g2m.dll"1⤵
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\SysWOW64\regsvr32.exe/s "C:\Users\Admin\AppData\Local\Temp\TAX DOCUMENTS 2\g2m.dll"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Windows\SysWOW64\cmd.execmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*Chrome" /t REG_SZ /d "rundll32.exe C:\Users\Admin\AppData\Roaming\VIVA_01.dll",EntryPoint /f & exit3⤵
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Windows\SysWOW64\reg.exereg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*Chrome" /t REG_SZ /d "rundll32.exe C:\Users\Admin\AppData\Roaming\VIVA_01.dll",EntryPoint /f4⤵
- Adds Run key to start application
PID:1908
-
-
-
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\SysWOW64\regsvr32.exe"3⤵PID:4780
-
-