a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
7s
max time network
28s
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/NEROPTB.dll
Size

816KB
MD5

9d14da49fdd187b3b0890416473c3c7e
SHA1

527f35c8c3358e6f5ab44e1b68fb54a1d78314fd
SHA256

5cfa85c2fb4934ff66d8aee6254a3482e15506e04fbb6e0e7892a2671c4c4526
SHA512

4b252982424ce8f48beefa46366799a26e577d4d53e120e919fffc74577b96bfb9967e28d813f0f5e6a220c3d09ff51622b135bf70bf82a3109169df82c16749
SSDEEP

6144:uFmHC4X8lrUSXg8KSjFEIZ6p0mY33/t3D+GvpPGhvOF:s94Xme0f33/t3D+GvcvI

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 1120 wrote to memory of 2224	1120	rundll32.exe	29
PID 1120 wrote to memory of 2224	1120	rundll32.exe	29
PID 1120 wrote to memory of 2224	1120	rundll32.exe	29
PID 1120 wrote to memory of 2224	1120	rundll32.exe	29
PID 1120 wrote to memory of 2224	1120	rundll32.exe	29
PID 1120 wrote to memory of 2224	1120	rundll32.exe	29
PID 1120 wrote to memory of 2224	1120	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROPTB.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROPTB.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2224

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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