aa63d723e0fde39bd468725d9ab31e22fded6f389399dc31f1ccf8bf87bee110

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
28/08/2024, 20:51

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General

Target

CORE_RL_bzlib_.dll
Size

56KB
MD5

6e5097a380c5b7fae5418d63bf96e989
SHA1

fb3b8cd3a512d837be642c637aa409ad8493a283
SHA256

a25397c87922879ea904d1d736f5436c7407cff33e7b9783cc5ce75cc05901b2
SHA512

435acd69dcde5636369156656cdaca2db899e69e806f556c4031e2a8c36cb0c0c12985cbbb6fa69a5a6e0325fbf1acd63ece2fa88a4cd9a7cc4c255f6cb402a9
SSDEEP

1536:t+/LAPbYoO5uCgiOvGr1Li1ifGsyYOUagW8CoekqwM8Ch8irA0dWQ522cSCCaSlr:t+/LEYoYuCgiOvaOwOKbIRRw4l

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 7 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 2080	400	rundll32.exe	29
PID 400 wrote to memory of 2080	400	rundll32.exe	29
PID 400 wrote to memory of 2080	400	rundll32.exe	29
PID 400 wrote to memory of 2080	400	rundll32.exe	29
PID 400 wrote to memory of 2080	400	rundll32.exe	29
PID 400 wrote to memory of 2080	400	rundll32.exe	29
PID 400 wrote to memory of 2080	400	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CORE_RL_bzlib_.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CORE_RL_bzlib_.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2080

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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