a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
121s
max time network
134s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 23:58

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General

Target

NERO55/NERO/NEROSLV.dll
Size

808KB
MD5

7d2ee77224922893bd4839027d9e202d
SHA1

19383babe65935dbb59f504485f78dd6837b2750
SHA256

cc7991e04e03fa125b41212a9315a4e6c8f33e76dfaa0955f0fd380c3086aed6
SHA512

f7b1994f11d0f4ebd16bad6baba1ab89884665458be733829eafac2d1e511aa2b8ad0477ed84cbff7dbcc5f806beecde87ba5ac6487cb96ed98be6e532eaffeb
SSDEEP

6144:uF6g1jX8lrUSXg8KSjFEIZ6p0mY33/tPtY05dFbqcZBu:sHXme0f33/tPtY05qc/u

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 2460 wrote to memory of 2088	2460	rundll32.exe	31
PID 2460 wrote to memory of 2088	2460	rundll32.exe	31
PID 2460 wrote to memory of 2088	2460	rundll32.exe	31
PID 2460 wrote to memory of 2088	2460	rundll32.exe	31
PID 2460 wrote to memory of 2088	2460	rundll32.exe	31
PID 2460 wrote to memory of 2088	2460	rundll32.exe	31
PID 2460 wrote to memory of 2088	2460	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROSLV.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROSLV.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088

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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