0608199328a6a99f873f7ac2b24e3dae6360b7eb6d2126f65b9571fc20437c24

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 07:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/nsCRandom.dll
Size

145KB
MD5

9ad78702635cd2f0ed3433628454fecd
SHA1

c786a3cb7ff21214c04299ffc37e4f9852afe6bb
SHA256

673d8ffba022c8196129d537973ad18049192f5cdeffd027ee743e2a6f7e1c85
SHA512

1a15155057cece9e5600e3a446a7f25a91c7caff8b99ac995566cff18edde956789a2c549748aa267802111137fb5fb60e2aafa077caf06df060361274745398
SSDEEP

3072:U0UZ9QhEcLhkKjc/sQcltvnJGUhVma813zsKn9:U0UqLCKwDcHJBhVmNwc

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	2376	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 1520 wrote to memory of 2376	1520	rundll32.exe	30
PID 2376 wrote to memory of 2328	2376	rundll32.exe	31
PID 2376 wrote to memory of 2328	2376	rundll32.exe	31
PID 2376 wrote to memory of 2328	2376	rundll32.exe	31
PID 2376 wrote to memory of 2328	2376	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsCRandom.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsCRandom.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 220
    3⤵
    - Program crash
    PID:2328

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

Loading Replay Monitor...