41caeb1dab6ab9da4571b88cd0a0a2b3a21ce305909358e538a04f988d4a139f

Analysis

max time kernel
79s
max time network
81s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01-08-2024 21:16

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General

Target

hwid pack/serial changer/UCOREDLL.dll
Size

112KB
MD5

8370f3114924ed6c53741de7a253625a
SHA1

f7782d51e73526226a89229b4f3625c7ce43f3b3
SHA256

78a4d8e5e8c33793e5a2020325d3a49e92e4826167742e93179bdacbf167b409
SHA512

5a13c0fb787366869fac57139fa2ebbd0c34a1bfa76c05ac879da60e534cbac694385f2b6120fdb6c7cf0e62cf4948efbdfde96e695a9d377f44eedb2e1b1398
SSDEEP

1536:g+FKwswB29BLymvRwRvSpD0pQD61ShZT1Cw4cf0SbtsWFoYc0RkU:g8Vk9ymvyNMO4QqGeyqoLGL

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4348	1672	WerFault.exe	75

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 4788 wrote to memory of 1672	4788	rundll32.exe	75
PID 4788 wrote to memory of 1672	4788	rundll32.exe	75
PID 4788 wrote to memory of 1672	4788	rundll32.exe	75

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\hwid pack\serial changer\UCOREDLL.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\hwid pack\serial changer\UCOREDLL.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 624
    3⤵
    - Program crash
    PID:4348

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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