fd8f2b5eaeb354d4b2d73acf8f79b93ef77a353f132f8f0fa1ff094e39c4db64

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:28

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General

Target

$_0_/dfxbtn.dll
Size

81KB
MD5

3969534dade35fc53ced9d0b0b56fe91
SHA1

f655564925c6566d3f438c069a8d74dbc44f9c87
SHA256

3e852471bb31064c46bbadd22a68ab30590da2937ab52bc3c2f1b89d00a80375
SHA512

02c651833c4dacad3cced0d27f9c0d6cebc5f7e3dbe17ba33684c13930306895f5680b39579bda9ce8c0d216b60a0949c81acd9992e53070ac6fd2dd24eb9cd3
SSDEEP

1536:hUYbPZCuH32V3NzMFVSk/NHg7gajR5x5Gd5uvKo:CYzZvH3izq3mR5x8o

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2512	3052	WerFault.exe	30

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 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 2780 wrote to memory of 3052	2780	rundll32.exe	30
PID 3052 wrote to memory of 2512	3052	rundll32.exe	31
PID 3052 wrote to memory of 2512	3052	rundll32.exe	31
PID 3052 wrote to memory of 2512	3052	rundll32.exe	31
PID 3052 wrote to memory of 2512	3052	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_0_\dfxbtn.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_0_\dfxbtn.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 224
    3⤵
    - Program crash
    PID:2512

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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