Overview
overview
10Static
static
3Oficio 192...ca.exe
windows7-x64
10Oficio 192...ca.exe
windows10-2004-x64
10Oficio 192...ib.dll
windows7-x64
3Oficio 192...ib.dll
windows10-2004-x64
3Oficio 192...Db.dll
windows7-x64
3Oficio 192...Db.dll
windows10-2004-x64
3Oficio 192...el.dll
windows7-x64
3Oficio 192...el.dll
windows10-2004-x64
3Oficio 192...ib.dll
windows7-x64
3Oficio 192...ib.dll
windows10-2004-x64
3Oficio 192...ls.dll
windows7-x64
3Oficio 192...ls.dll
windows10-2004-x64
3Oficio 192...ls.dll
windows7-x64
3Oficio 192...ls.dll
windows10-2004-x64
3Oficio 192...49.dll
windows7-x64
3Oficio 192...49.dll
windows10-2004-x64
3Oficio 192...71.dll
windows7-x64
3Oficio 192...71.dll
windows10-2004-x64
3Oficio 192...71.dll
windows7-x64
3Oficio 192...71.dll
windows10-2004-x64
3Oficio 192...t6.dll
windows7-x64
3Oficio 192...t6.dll
windows10-2004-x64
3Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-11-2024 13:20
Static task
static1
Behavioral task
behavioral1
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/00012NotificacionElectronica.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/00012NotificacionElectronica.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MCoreLib.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MCoreLib.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MDb.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MDb.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MKernel.dll
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MKernel.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MUICoreLib.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MUICoreLib.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MUIUtils.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MUIUtils.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MUtils.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MUtils.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/coolcore49.dll
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/coolcore49.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/msvcp71.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/msvcp71.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/msvcr71.dll
Resource
win7-20241010-en
Behavioral task
behavioral20
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/msvcr71.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/xprt6.dll
Resource
win7-20241023-en
Behavioral task
behavioral22
Sample
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/xprt6.dll
Resource
win10v2004-20241007-en
General
-
Target
Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165/MUIUtils.dll
-
Size
385KB
-
MD5
97d6efb8b8e0b0f03701a7bafc398545
-
SHA1
0fe11e0b7f47fdec9aaa98b83728c125409e9d5b
-
SHA256
51c8715fac6797b7f962a68903f1f994c2af1088ac31972b5e512dab5ab4fd8e
-
SHA512
2bf8935ad96f35586be6074e8798fa36ee13a05cef05aa0df120ef6800cc1d941310c672894d2380b87c7491663c137fa5bcade4a732bcc6448ba3bf0badb2d7
-
SSDEEP
6144:2sOfOXbrZthMAjzD7rK4CA5Jh55W5/js47WOZXizi:2sOfOXbBpvG4zhPy3Zt
Malware Config
Signatures
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
regsvr32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid Process procid_target PID 2788 wrote to memory of 2832 2788 regsvr32.exe 31 PID 2788 wrote to memory of 2832 2788 regsvr32.exe 31 PID 2788 wrote to memory of 2832 2788 regsvr32.exe 31 PID 2788 wrote to memory of 2832 2788 regsvr32.exe 31 PID 2788 wrote to memory of 2832 2788 regsvr32.exe 31 PID 2788 wrote to memory of 2832 2788 regsvr32.exe 31 PID 2788 wrote to memory of 2832 2788 regsvr32.exe 31
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s "C:\Users\Admin\AppData\Local\Temp\Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165\MUIUtils.dll"1⤵
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\SysWOW64\regsvr32.exe/s "C:\Users\Admin\AppData\Local\Temp\Oficio 192 Notificación Electrónica CENDO RAMA JUDICIAL RAD 1531651351651 1321351 00 354165\MUIUtils.dll"2⤵
- System Location Discovery: System Language Discovery
PID:2832
-