Overview
overview
10Static
static
3Bid Acknow...3.docx
windows10-2004-x64
1Bid Acknow...3.docx
windows11-ltsc_2024-x64
1COMMERCIAL...AS.pdf
windows10-2004-x64
3COMMERCIAL...AS.pdf
windows11-ltsc_2024-x64
3L-GT-005-F...n).pdf
windows10-2004-x64
3L-GT-005-F...n).pdf
windows11-ltsc_2024-x64
3RFQ-945730...19.exe
windows10-2004-x64
10RFQ-945730...19.exe
windows11-ltsc_2024-x64
10$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3Dyrepark/H...ce.dll
windows10-2004-x64
1Dyrepark/H...ce.dll
windows11-ltsc_2024-x64
1Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/09/2026, 18:12
Static task
static1
Behavioral task
behavioral1
Sample
Bid Acknowledgement 94573.docx
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Bid Acknowledgement 94573.docx
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
COMMERCIAL CONDITIONS AND INSTRUCTIONS TECNICAS REUNIDAS.pdf
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
COMMERCIAL CONDITIONS AND INSTRUCTIONS TECNICAS REUNIDAS.pdf
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
L-GT-005-F_2 (Terms Cond Transportation).pdf
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
L-GT-005-F_2 (Terms Cond Transportation).pdf
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
RFQ-945730101-B0000005023019.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
RFQ-945730101-B0000005023019.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
Dyrepark/Hypothesist/System.Diagnostics.TraceSource.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
Dyrepark/Hypothesist/System.Diagnostics.TraceSource.dll
Resource
win11ltsc2024-20260911-en
General
- Target $PLUGINSDIR/System.dll
- Size 11KB
- Sample260917-wtak2shd35
- SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
- MD5 17ed1c86bd67e78ade4712be48a7d2bd
- SHA1 1cc9fe86d6d6030b4dae45ecddce5907991c01a0
- SHA512 0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5
- SSDEEP 192:eY24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol+Sl:E8QIl975eXqlWBrz7YLOl+
- TLSH T1E3325C12135081F3E4918138C86B3A276B6A15029BF98E57DFD39546BE31BE3BD7D603
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 3100 1720 WerFault.exe 86 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 956 wrote to memory of 1720 956 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1720 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 6123⤵
- Program crash
PID:3100
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1720 -ip 17201⤵PID:4364