f403e5db7055c16c5608a7c5c5e8d72541f88a83720b84f6ee2a8ed7212f75a8

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 06:29

Target

7zS850A099E/libcurl.dll
Size

218KB
MD5

d09be1f47fd6b827c81a4812b4f7296f
SHA1

028ae3596c0790e6d7f9f2f3c8e9591527d267f7
SHA256

0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
SHA512

857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595
SSDEEP

6144:Kk3jgivfCVSRrLV7yAVzKZIjCbanUKWw+ba//PXHUo:30iH0iVPVzKOOunLWf2//0

Score

3^/10

discovery

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2092 864 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2092	864	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 692 wrote to memory of 864	692	rundll32.exe	rundll32.exe
PID 692 wrote to memory of 864	692	rundll32.exe	rundll32.exe
PID 692 wrote to memory of 864	692	rundll32.exe	rundll32.exe
PID 692 wrote to memory of 864	692	rundll32.exe	rundll32.exe
PID 692 wrote to memory of 864	692	rundll32.exe	rundll32.exe
PID 692 wrote to memory of 864	692	rundll32.exe	rundll32.exe
PID 692 wrote to memory of 864	692	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 2092	864	rundll32.exe	WerFault.exe
PID 864 wrote to memory of 2092	864	rundll32.exe	WerFault.exe
PID 864 wrote to memory of 2092	864	rundll32.exe	WerFault.exe
PID 864 wrote to memory of 2092	864	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS850A099E\libcurl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS850A099E\libcurl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 248
    3⤵
    - Program crash
    PID:2092

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/864-2-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/864-4-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/864-7-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/864-6-0x000000006494A000-0x000000006494F000-memory.dmp

Filesize
20KB

Download
memory/864-5-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/864-3-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/864-1-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/864-0-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/864-9-0x000000006EB40000-0x000000006EB63000-memory.dmp

Filesize
140KB

Download