7b4f0026de0ae5880ddb853725015d617a17f4405de54fa009d18ec020150cd3

Analysis

max time kernel
15s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 09:14

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General

Target

DuiLib.dll
Size

1.2MB
MD5

64c2ca0f2b36545f6e3bd58351245163
SHA1

36515e230f264b8949e885f6a2c38daabc44eae9
SHA256

7c67b2acd5759a6ba03135552089ad5f6b0ce1c5c26aab50070c19844f3e5345
SHA512

1874dc1a8b6d813228de0a54790babc98d2ef35fb018e26dffe513523e602ba885e2f3a6e1ca2038afb4fa91bcc28eb15832decc63f4f69365c9b2b54166926f
SSDEEP

24576:okuqE7GfxUf5gyNEtSxf/1z/Ji9foJvdSRbOf4+aDJpjPi:AOxUf6yNEtSxf/1z/Ji9fot0RbOf0D

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1656	2360	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 2608 wrote to memory of 2360	2608	rundll32.exe	30
PID 2608 wrote to memory of 2360	2608	rundll32.exe	30
PID 2608 wrote to memory of 2360	2608	rundll32.exe	30
PID 2608 wrote to memory of 2360	2608	rundll32.exe	30
PID 2608 wrote to memory of 2360	2608	rundll32.exe	30
PID 2608 wrote to memory of 2360	2608	rundll32.exe	30
PID 2608 wrote to memory of 2360	2608	rundll32.exe	30
PID 2360 wrote to memory of 1656	2360	rundll32.exe	31
PID 2360 wrote to memory of 1656	2360	rundll32.exe	31
PID 2360 wrote to memory of 1656	2360	rundll32.exe	31
PID 2360 wrote to memory of 1656	2360	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\DuiLib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2608
- 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:2360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 228
    3⤵
    - Program crash
    PID:1656

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

Windows 7 deprecation

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