dac651edd381388ce17e6c5a7c5f41c66a42530e6ce82e58745adbd3c2570b14

Analysis

max time kernel
135s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20250217-en
resource tags

arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
submitted
18/02/2025, 17:53

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General

Target

mars/public/freebl3.dll
Size

326KB
MD5

ef2834ac4ee7d6724f255beaf527e635
SHA1

5be8c1e73a21b49f353c2ecfa4108e43a883cb7b
SHA256

a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
SHA512

c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2
SSDEEP

6144:C8YBC2NpfYjGg7t5xb7WOBOLFwh8yGHrIrvqqDL6XPowD:CbG7F35BVh8yIZqn65D

Score

3^/10

discovery

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.

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 1152 wrote to memory of 4068	1152	rundll32.exe	77
PID 1152 wrote to memory of 4068	1152	rundll32.exe	77
PID 1152 wrote to memory of 4068	1152	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mars\public\freebl3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\mars\public\freebl3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4068

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

Windows 7 deprecation

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