a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
9s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 23:58

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General

Target

NERO55/NERO/NEWTRF.dll
Size

244KB
MD5

6b7421f3fade9658eeb26c725272e2a6
SHA1

e807a48baa22bf1cea8564645e8f1e9e54771994
SHA256

5cb67b3fc6aaf33f8980f01bebc73533aff6f1457ff397b16c86ce6e6fa2308f
SHA512

2966cb3f1803f1f6e2b3ce6a46787d77d11ab096a5d8bb24886497d4ed4d823b29caead9e5d3a99ccec6cbcd58a576da232cd74f82071d05357ae2c5bfbc26e9
SSDEEP

3072:hXh90fMPSeZ1Yi5+bEJT27HztKf4W9pBy9MkCMBVZKMDMoo0eBAz:9uZW2EJTUZKf4W09eMYMDA06

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1952	2352	WerFault.exe	29

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 11 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2352	2536	rundll32.exe	29
PID 2536 wrote to memory of 2352	2536	rundll32.exe	29
PID 2536 wrote to memory of 2352	2536	rundll32.exe	29
PID 2536 wrote to memory of 2352	2536	rundll32.exe	29
PID 2536 wrote to memory of 2352	2536	rundll32.exe	29
PID 2536 wrote to memory of 2352	2536	rundll32.exe	29
PID 2536 wrote to memory of 2352	2536	rundll32.exe	29
PID 2352 wrote to memory of 1952	2352	rundll32.exe	30
PID 2352 wrote to memory of 1952	2352	rundll32.exe	30
PID 2352 wrote to memory of 1952	2352	rundll32.exe	30
PID 2352 wrote to memory of 1952	2352	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEWTRF.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEWTRF.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 272
    3⤵
    - Program crash
    PID:1952

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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