33bca0b7c35d92fe1dec4638d803349ca76a0f4b2a647efa49697edb77d2ae95

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 13:36

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General

Target

7zSCD97F9B7/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
2804	2120	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 1568 wrote to memory of 2120	1568	rundll32.exe	30
PID 1568 wrote to memory of 2120	1568	rundll32.exe	30
PID 1568 wrote to memory of 2120	1568	rundll32.exe	30
PID 1568 wrote to memory of 2120	1568	rundll32.exe	30
PID 1568 wrote to memory of 2120	1568	rundll32.exe	30
PID 1568 wrote to memory of 2120	1568	rundll32.exe	30
PID 1568 wrote to memory of 2120	1568	rundll32.exe	30
PID 2120 wrote to memory of 2804	2120	rundll32.exe	31
PID 2120 wrote to memory of 2804	2120	rundll32.exe	31
PID 2120 wrote to memory of 2804	2120	rundll32.exe	31
PID 2120 wrote to memory of 2804	2120	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zSCD97F9B7\libcurl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zSCD97F9B7\libcurl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 248
    3⤵
    - Program crash
    PID:2804

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/2120-0-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/2120-4-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/2120-6-0x000000006494A000-0x000000006494F000-memory.dmp

Filesize
20KB

Download
memory/2120-5-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/2120-3-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/2120-2-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/2120-1-0x000000006B440000-0x000000006B4CF000-memory.dmp

Filesize
572KB

Download
memory/2120-7-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/2120-9-0x000000006EB40000-0x000000006EB63000-memory.dmp

Filesize
140KB

Download