10b6c6bd541da6499afb8f64de0c876cb144e3f6a03c744b01fe8009de572bf7

Analysis

max time kernel
62s
max time network
67s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 16:15

Target

cr.dll
Size

5.7MB
MD5

2a53c7f50b074db464f7dacfcbad3be8
SHA1

37061b97ecf311c6165832293f55928fc31dd0c4
SHA256

ee5c5dd1aee927a6bcb8e390a0d2c5adcda66da5ec9e7d41b22014dd3181e793
SHA512

2384285ebbcc43a409f4cbec20e7e129502804683b1274d1a087e83289523fa9ba6b74243eaa96bd051fb072e16facc5bbbffde818aaa2857cd66463c43199b2
SSDEEP

98304:Mvl890Fp9GavfikQQd0aR+AGEAyhjSOwTZL5JLaKl4b9t8ckijA1BsF6Pe6M1N2N:Mvl890FGifikQQd0aR+AGEAyhjSOwTZV

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2120 2380 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
2120	2380	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 3556 wrote to memory of 2380	3556	rundll32.exe	rundll32.exe
PID 3556 wrote to memory of 2380	3556	rundll32.exe	rundll32.exe
PID 3556 wrote to memory of 2380	3556	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 740
    3⤵
    - Program crash
    PID:2120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2380 -ip 2380
1⤵
PID:5064

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/2380-0-0x0000000077A82000-0x0000000077A83000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000074F20000-0x00000000754E5000-memory.dmp

Filesize
5.8MB

Download