a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
121s
max time network
131s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 00:32

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General

Target

NERO55/NERO/NEROFRA.dll
Size

832KB
MD5

dfeb61a4b228f42ff7a1acd4f3df7b44
SHA1

39dbd9ddd63b3332fbaafc27625b0688740a3135
SHA256

7782bac7f4cb075f329efcfb7cb06ca9620bd65cd364e76688b31a819d823823
SHA512

67e4288a464aa5130a5a7f311bacae90bbe6c7294d44b503431c137aa54ad724bbe3239b69ee3440db65e021985c88cab10b627a73ce4604c1d9697e508c0bd3
SSDEEP

6144:VFZEDXEMtIn5W8jdp0mY33/t3D+Gv6g35VjQE0/E:3UXzin5WgP0f33/t3D+GvVjQEH

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 1696 wrote to memory of 1336	1696	rundll32.exe	30
PID 1696 wrote to memory of 1336	1696	rundll32.exe	30
PID 1696 wrote to memory of 1336	1696	rundll32.exe	30
PID 1696 wrote to memory of 1336	1696	rundll32.exe	30
PID 1696 wrote to memory of 1336	1696	rundll32.exe	30
PID 1696 wrote to memory of 1336	1696	rundll32.exe	30
PID 1696 wrote to memory of 1336	1696	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROFRA.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROFRA.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1336

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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