d6074d92605036f9ad8ccd4b4b49be6748a6760762c8626d96c1f8132730144f

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 12:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Modules/brs.dll
Size

114KB
MD5

e69cb3796f9a8a755aeea5b3ce64f009
SHA1

891d0628ca67d2b71c675ae575cd0ddea1dfb085
SHA256

a9c2057e254136f2c9e53ab8638cfb051b109781ec3ca5c8b9b698449e053d5d
SHA512

1e343fb5ebb0e898daaa07b22b574f0af584f47a7d7bb2d76b8aa84034db865209456aac8dce9e78714a3700b77d6c58143eb6967dfa38ceb1318350fdc4a20d
SSDEEP

3072:YmephjIKFKAJ6ewg9u5fvkBIugPdqWMgd2/IMy9H:qphj7KA1wgkppF1/d2/IVd

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 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30
PID 3016 wrote to memory of 3036	3016	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\brs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Modules\brs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036

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...