a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
121s
max time network
136s
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/NERORUS.dll
Size

808KB
MD5

a04b6bdfb357a1b1c07854073a88ff39
SHA1

a65bd5608f3d878b8b5dfc7619807e989aee817d
SHA256

813fca031cebed0ff8a2790fa7d76abbebbc5081856f6d1aa1e2c871cff5e977
SHA512

a0f381f0e2eee6194a400ff055a7f448a86e00db1cec26658fcdd4646fb01bf8fd90d8e11206ca35bfa0bd500280d782d3739f3917d64d89ca9fac3ad98252e3
SSDEEP

6144:TFO0X8lrUSXg8KSjFEIZ6p0mY33/tPtY05oQkFp3Y:JdXme0f33/tPtY05gpo

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 3048 wrote to memory of 2324	3048	rundll32.exe	31
PID 3048 wrote to memory of 2324	3048	rundll32.exe	31
PID 3048 wrote to memory of 2324	3048	rundll32.exe	31
PID 3048 wrote to memory of 2324	3048	rundll32.exe	31
PID 3048 wrote to memory of 2324	3048	rundll32.exe	31
PID 3048 wrote to memory of 2324	3048	rundll32.exe	31
PID 3048 wrote to memory of 2324	3048	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NERORUS.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NERORUS.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324

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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