3b17d61c52d82584a4cdcf79bca6bf99255500ebabb8b375151e7cddf2978fb0

Analysis

max time kernel
91s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 01:32

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General

Target

Plugins/FX/reafir.dll
Size

222KB
MD5

2f84a2c05adf1ff98c7993f4c27d055a
SHA1

0adbf4535a76675b0fb4886702627af828bd7541
SHA256

0c2e65868f73a6a72c944160b9d0d9ed25728117ba673efecaa97c887cc57417
SHA512

bf2e9a3dad8b074497cf4dd9ab3e53f57457f5b27d11766492ab598c85cca34781ab0e94294f65e0c1b73ef947bdb45221a1367f718b64a962b9f53bbfcccd0a
SSDEEP

3072:O878raMHPEslMWqZPkr55r4rQZVnYJk2/EYA3e0sMUUUymdnB/F0shvLPX7hEaJC:OsW4Irr4rQZVnYJktLulUT2nB/lHhCm

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4480	5080	WerFault.exe	86

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 3 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 5080	4728	rundll32.exe	86
PID 4728 wrote to memory of 5080	4728	rundll32.exe	86
PID 4728 wrote to memory of 5080	4728	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\FX\reafir.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\FX\reafir.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 600
    3⤵
    - Program crash
    PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5080 -ip 5080
1⤵
PID:1496

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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