a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
117s
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

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General

Target

NERO55/NERO/NEROJPN.dll
Size

728KB
MD5

bcdc34f82662b1e7170dda2a3df56f91
SHA1

a685f36ab47bcf44ff996ef4c67a70232679ba8e
SHA256

86225d18249259750ddabfd14e425801a87b7762fd4c1d2f3ef5bf3038b0b6cb
SHA512

8fbe0a5f53d884bec981fbe5d4b60f9eb25e2dbcee164994fb4d8ba4de25100add6f5c1d30b0495b947175bb6ab9d1980dd7e50caaabcf8f745ea4e6d9ccdca1
SSDEEP

6144:lFdQaX8lrUSXg8KSjFEIZ6p0mY33/tPtY05gYb2fa+r4YYY:nWaXme0f33/tPtY05vavr4YYY

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 2352 wrote to memory of 532	2352	rundll32.exe	31
PID 2352 wrote to memory of 532	2352	rundll32.exe	31
PID 2352 wrote to memory of 532	2352	rundll32.exe	31
PID 2352 wrote to memory of 532	2352	rundll32.exe	31
PID 2352 wrote to memory of 532	2352	rundll32.exe	31
PID 2352 wrote to memory of 532	2352	rundll32.exe	31
PID 2352 wrote to memory of 532	2352	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROJPN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROJPN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:532

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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