ae0ba7ecf43d1ee0a4cb8784d3730d56b773b95e7518bd9842d8defed69e83e8

Analysis

max time kernel
93s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 12:23

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General

Target

i386/CbFsNetRdr3.dll
Size

211KB
MD5

06cab63531728cd07c4d338f65bd89bd
SHA1

d384dbe90d710b0b568d5ab3b418912699663ce2
SHA256

85a43ad4075ce9051f8fc9dfbda983da84e337803e6463fec4467c6147034b0e
SHA512

95ddb6c1b9b79ff72a65a2ccfb841f431692a8db1eacc758a7e5b98a21ea0ae77be2cff1d182a5eec283f7feabfd28dfec1eaa9b59798f8476dd7187b6a6cf41
SSDEEP

3072:ihvQV83s8dx3sKUKZ/TpWQYlbrThbdgtL6PZLie/eGbUCVmTzrr2h40qkISFDCtl:iGV8933UKvNqTYgPoGQNEZFW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3668	3616	WerFault.exe	83

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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 3616	640	rundll32.exe	83
PID 640 wrote to memory of 3616	640	rundll32.exe	83
PID 640 wrote to memory of 3616	640	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\i386\CbFsNetRdr3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\i386\CbFsNetRdr3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 644
    3⤵
    - Program crash
    PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3616 -ip 3616
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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