2de119b465a2e51cbab3293b51b419c49d6da1f497c68e17549839e0f6ae2a9b

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 03:08

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General

Target

$SYSDIR/libbluray.dll
Size

168KB
MD5

fa71291abc0469ce3e42b0a5890265a6
SHA1

8e48fef43eaac005d7eba50a8b22afbac97a79e6
SHA256

aa98445ca90df63c5e655efdac4a6712a1d3488d10b72b6145418499aafe2a2e
SHA512

6e70a565553b051259878fcacb7fc0a9c8b347af36da3ae1a9c8733cb4c24dcc0c2e10304faea324172a5624f0b02eb9bdd9b8dab79600ffdb292de50374e3c7
SSDEEP

3072:3uFS67YtJlbIqEXEUNbbzwV55Z1my9T1sQYTD8w:3uFdUtIqEXLNnw5Z1muKQU4w

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	2068	WerFault.exe	31

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 852 wrote to memory of 2068	852	rundll32.exe	31
PID 852 wrote to memory of 2068	852	rundll32.exe	31
PID 852 wrote to memory of 2068	852	rundll32.exe	31
PID 852 wrote to memory of 2068	852	rundll32.exe	31
PID 852 wrote to memory of 2068	852	rundll32.exe	31
PID 852 wrote to memory of 2068	852	rundll32.exe	31
PID 852 wrote to memory of 2068	852	rundll32.exe	31
PID 2068 wrote to memory of 2152	2068	rundll32.exe	32
PID 2068 wrote to memory of 2152	2068	rundll32.exe	32
PID 2068 wrote to memory of 2152	2068	rundll32.exe	32
PID 2068 wrote to memory of 2152	2068	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\libbluray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\libbluray.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 220
    3⤵
    - Program crash
    PID:2152

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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