1af039b45840346b46a0552781a6fcc4e53262ceb0297e743a331d37ae402434

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 22:06

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General

Target

7zS8B74BEBB/libcurl.dll
Size

218KB
MD5

d09be1f47fd6b827c81a4812b4f7296f
SHA1

028ae3596c0790e6d7f9f2f3c8e9591527d267f7
SHA256

0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
SHA512

857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595
SSDEEP

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

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4264	3804	WerFault.exe	84

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 844 wrote to memory of 3804	844	rundll32.exe	84
PID 844 wrote to memory of 3804	844	rundll32.exe	84
PID 844 wrote to memory of 3804	844	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\libcurl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\libcurl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 652
    3⤵
    - Program crash
    PID:4264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3804 -ip 3804
1⤵
PID:2276

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

Replay Monitor

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Downloads

memory/3804-0-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/3804-1-0x0000000064941000-0x000000006494F000-memory.dmp

Filesize
56KB

Download
memory/3804-2-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/3804-4-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/3804-3-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/3804-5-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/3804-7-0x000000006EB40000-0x000000006EB63000-memory.dmp

Filesize
140KB

Download
memory/3804-6-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download