b16ab087b5a6d6ab9d41c4cf0c57aeb7643ce17375551e9fb0ea1864a57c3fa6

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 01:04

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General

Target

DuiLib.dll
Size

450KB
MD5

6d7e149e7e25d1f4c1f800d0f4e7acbb
SHA1

d3ba4581702e471983bcd89a9aa6a2f8e96007ca
SHA256

2c7c0737b12de34eb432d436a261665cd5f50f1cdc93c4b57ef520044c8f069b
SHA512

b30fb851f03af60870cc1771e687b94671a0f18d659f6889e3502bd5052bab971b5a7bcf07f4907acfe6ce0b4eebe7522b39f040253f8cde24e960ae47e2636c
SSDEEP

12288:S/p2CmKNFyCRxTq7P/ryqoI+GLJcEmBtJajxJJeGmcRYsmg4N6i2sF:oppmIFy4xTqjryqoI+GLJcEmBtJajxJA

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	2256	WerFault.exe	28

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 2240 wrote to memory of 2256	2240	rundll32.exe	28
PID 2240 wrote to memory of 2256	2240	rundll32.exe	28
PID 2240 wrote to memory of 2256	2240	rundll32.exe	28
PID 2240 wrote to memory of 2256	2240	rundll32.exe	28
PID 2240 wrote to memory of 2256	2240	rundll32.exe	28
PID 2240 wrote to memory of 2256	2240	rundll32.exe	28
PID 2240 wrote to memory of 2256	2240	rundll32.exe	28
PID 2256 wrote to memory of 2520	2256	rundll32.exe	29
PID 2256 wrote to memory of 2520	2256	rundll32.exe	29
PID 2256 wrote to memory of 2520	2256	rundll32.exe	29
PID 2256 wrote to memory of 2520	2256	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\DuiLib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\DuiLib.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 224
    3⤵
    - Program crash
    PID:2520

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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