a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
120s
max time network
129s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 23:58

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General

Target

NERO55/NERO/NERONOR.dll
Size

804KB
MD5

6be63434f424f40fde7b54af07dd976e
SHA1

8d41d38185ef6c5014d8f4fe73b121ab9893076f
SHA256

97a4831970424fcc6328f7315a5781d88c96f0757d84c004e3def5d1bbb16876
SHA512

c5ae56b139d82561d87ae6ea0b5daf4dd8fe7819d6f60a0f7331a87c2765ba0c414265ba0c3616f4dacf79626018620ede6b244060be2f8e79792bd48abe460b
SSDEEP

6144:iFHHX8lrUSXg8KSjFEIZ6p0mY33/t3D+GvuRL0A84h7d:onXme0f33/t3D+GvCh7d

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 2316 wrote to memory of 2260	2316	rundll32.exe	30
PID 2316 wrote to memory of 2260	2316	rundll32.exe	30
PID 2316 wrote to memory of 2260	2316	rundll32.exe	30
PID 2316 wrote to memory of 2260	2316	rundll32.exe	30
PID 2316 wrote to memory of 2260	2316	rundll32.exe	30
PID 2316 wrote to memory of 2260	2316	rundll32.exe	30
PID 2316 wrote to memory of 2260	2316	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NERONOR.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NERONOR.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260

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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