a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
121s
max time network
136s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 23:58

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General

Target

NERO55/NERO/WAVEEDITOR/VFFT.dll
Size

256KB
MD5

ca9c159d3831312c4068a7880729e1d5
SHA1

89dd199cf28c9d550bfcab58670e6e80b086e630
SHA256

493fe093e346444ea0229e45ae65d59d702a6692928e5bd1708047c55f79ff81
SHA512

f4da59fd4e0af168ccdd12b91657a9cecd5293b7013273f66181313e25aae4f1091d446c14f1d0a87dd569bb127c95b609d4ee96e47e94694753cf90b8446086
SSDEEP

3072:YkCiAUo4xMMDlJgKtWtKc8JYoCbwCSaS4D8wI+SOErZe1U:YzihxMMDgZ58JMwCSYD8wItZe1

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1904	2900	WerFault.exe	31

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 2116 wrote to memory of 2900	2116	rundll32.exe	31
PID 2116 wrote to memory of 2900	2116	rundll32.exe	31
PID 2116 wrote to memory of 2900	2116	rundll32.exe	31
PID 2116 wrote to memory of 2900	2116	rundll32.exe	31
PID 2116 wrote to memory of 2900	2116	rundll32.exe	31
PID 2116 wrote to memory of 2900	2116	rundll32.exe	31
PID 2116 wrote to memory of 2900	2116	rundll32.exe	31
PID 2900 wrote to memory of 1904	2900	rundll32.exe	32
PID 2900 wrote to memory of 1904	2900	rundll32.exe	32
PID 2900 wrote to memory of 1904	2900	rundll32.exe	32
PID 2900 wrote to memory of 1904	2900	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\WAVEEDITOR\VFFT.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\WAVEEDITOR\VFFT.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 224
    3⤵
    - Program crash
    PID:1904

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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