a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 00:32

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General

Target

NERO55/NERO/NEROKOR.dll
Size

732KB
MD5

9433efaadc2f84bcfe59e7bba4d08268
SHA1

f375bc825042649ea8eaeab218dcbf96a814583d
SHA256

bc4860d7f94486038cd1d3600afca3d6f4a0f4a1a4bcac1d67a5c1128ab84bea
SHA512

74361ca6fc9d3ede3dd77e4dc5b4bbd8313f54f83fd2096b0d4ca939e893b537d08245dcb9f32e5ae64cfac99e866fc8ea47db155a13f3be86ebf3577cfab37a
SSDEEP

6144:4Fc3zinX8lrUSXg8KSjFEIZ6p0mY33/tPtY05WklKTUefm:iOeXme0f33/tPtY053EUefm

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 1672 wrote to memory of 548	1672	rundll32.exe	30
PID 1672 wrote to memory of 548	1672	rundll32.exe	30
PID 1672 wrote to memory of 548	1672	rundll32.exe	30
PID 1672 wrote to memory of 548	1672	rundll32.exe	30
PID 1672 wrote to memory of 548	1672	rundll32.exe	30
PID 1672 wrote to memory of 548	1672	rundll32.exe	30
PID 1672 wrote to memory of 548	1672	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROKOR.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROKOR.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:548

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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