a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
117s
max time network
132s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 23:58

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General

Target

NERO55/NERO/NEROHUN.dll
Size

812KB
MD5

a14c7c34f95cd81c1f794be21d401b1e
SHA1

ba3d3de5a9c234cc90289cd0d98e0235e1ac9d1e
SHA256

307420d8f83c5bdad861480bf67929e5aa893c426f4c3906f940868124f295f5
SHA512

fd7ea03197c8aa3cb912f505f3ede44f8b8756e10f215b323a3b4df5de75e694e3ffedfe1ced6fc8510bd91d13f1c75a3efed4e4fdd8d9c5157595b18fd050a1
SSDEEP

6144:+F00wX8lrUSXg8KSjFEIZ6p0mY33/tPtY05/ac/p8kvfzzrQ:cWXme0f33/tPtY05vzw

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 2452 wrote to memory of 1040	2452	rundll32.exe	30
PID 2452 wrote to memory of 1040	2452	rundll32.exe	30
PID 2452 wrote to memory of 1040	2452	rundll32.exe	30
PID 2452 wrote to memory of 1040	2452	rundll32.exe	30
PID 2452 wrote to memory of 1040	2452	rundll32.exe	30
PID 2452 wrote to memory of 1040	2452	rundll32.exe	30
PID 2452 wrote to memory of 1040	2452	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROHUN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROHUN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1040

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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