71bdc986994ff0ac066342f524ec84e994ad9240bf80f97759d102e31fbf660a

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 01:21

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General

Target

libcurld.dll
Size

424KB
MD5

3897f074eecec053c828ae72f47066cb
SHA1

ecc4c35bf73464e0f8c6ead599535cb6f1ff03c6
SHA256

98ae208fae21fa39cce9577fa3bad2883f9fd4c72ef570be500ec9ff24d4a2d3
SHA512

848009801b7bb4bff39206a6ae15ea3fba05113682497c921b03c4f560ff57b53165f0ed1bee034adf2f379f6f7a201960b97991c1fb32ef0bcffb25f90710a8
SSDEEP

12288:YM0gY2MdCJ+9FfXF46ApgSucM02F/ZsGGA9vZiMCbsi:3XJ+BvstA9vZiMCI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2192	2180	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 2128 wrote to memory of 2180	2128	rundll32.exe	30
PID 2128 wrote to memory of 2180	2128	rundll32.exe	30
PID 2128 wrote to memory of 2180	2128	rundll32.exe	30
PID 2128 wrote to memory of 2180	2128	rundll32.exe	30
PID 2128 wrote to memory of 2180	2128	rundll32.exe	30
PID 2128 wrote to memory of 2180	2128	rundll32.exe	30
PID 2128 wrote to memory of 2180	2128	rundll32.exe	30
PID 2180 wrote to memory of 2192	2180	rundll32.exe	31
PID 2180 wrote to memory of 2192	2180	rundll32.exe	31
PID 2180 wrote to memory of 2192	2180	rundll32.exe	31
PID 2180 wrote to memory of 2192	2180	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcurld.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcurld.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 232
    3⤵
    - Program crash
    PID:2192

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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