a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 00:32 UTC

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General

Target

NERO55/NERO/NEROITA.dll
Size

824KB
MD5

04d843cc00222c0a6c17ce41fa257ec9
SHA1

055ee22fc15999111f39d3aae3cb5b3233044a6d
SHA256

5d7d8b3b6fc81dec1f7fb8a9e3f24fa975a38831fb5b81da5d199e3643380746
SHA512

d792b02693ab38dcb54e107ec76c48dc2f4272d19ee7846c9fb22029108e231c07a388ed494b763bc0dbcdbea6a5ac52dbfd8e782f5fc0b6f295284b9c2f0ab9
SSDEEP

6144:rFB1cX8lrUSXg8KSjFEIZ6p0mY33/t3D+GvTBQ4GvzWmAo:BncXme0f33/t3D+Gvh0z3

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 2716 wrote to memory of 2772	2716	rundll32.exe	30
PID 2716 wrote to memory of 2772	2716	rundll32.exe	30
PID 2716 wrote to memory of 2772	2716	rundll32.exe	30
PID 2716 wrote to memory of 2772	2716	rundll32.exe	30
PID 2716 wrote to memory of 2772	2716	rundll32.exe	30
PID 2716 wrote to memory of 2772	2716	rundll32.exe	30
PID 2716 wrote to memory of 2772	2716	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROITA.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROITA.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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