3a2b81f84a4ed157b1a059be3046930972ee8480be3b67ebf15e9bbc941cf883

Analysis

max time kernel
15s
max time network
18s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
15-10-2024 00:23

Target

Primordial/FIX/libQtBigint.dll
Size

221KB
MD5

cbd5ae124116da67c4ff2097ff5b7fc6
SHA1

5103145253df13ec3edb478b3f8ce7a8fdf00b0a
SHA256

179efc80482aafd0192ff81bda027c88e2ff588e43647848d41d1c7e08aace81
SHA512

60165e374dc68157061a753bd5ca477ffc68a429d5e36c138c759c508abe3a2af39ecea5a5f3934b4923a40d3249b88f82acbc179af65024228483ce31186b47
SSDEEP

3072:NOS2wj83gYANqMW0JTB5ilycV3SXR3Z96htnybqN2z:v2wjOgcQ95itV3kShtnybH

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3412 5104 WerFault.exe rundll32.exe
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.
discovery

System Language Discovery
T1614.001

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
3412	5104	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4668 wrote to memory of 5104	4668	rundll32.exe	rundll32.exe
PID 4668 wrote to memory of 5104	4668	rundll32.exe	rundll32.exe
PID 4668 wrote to memory of 5104	4668	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Primordial\FIX\libQtBigint.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Primordial\FIX\libQtBigint.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 632
    3⤵
    - Program crash
    PID:3412

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/5104-4-0x0000000062840000-0x0000000062878000-memory.dmp

Filesize
224KB

Download
memory/5104-5-0x000000006EB40000-0x000000006EB63000-memory.dmp

Filesize
140KB

Download
memory/5104-7-0x0000000064B40000-0x0000000064B54000-memory.dmp

Filesize
80KB

Download
memory/5104-6-0x000000006FE40000-0x000000006FFC3000-memory.dmp

Filesize
1.5MB

Download