f403e5db7055c16c5608a7c5c5e8d72541f88a83720b84f6ee2a8ed7212f75a8

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/11/2024, 10:03

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General

Target
7zS850A099E/libcurl.dll
Size 218KB
Sample241109-l3mlvssdqq
SHA256 0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
MD5 d09be1f47fd6b827c81a4812b4f7296f
SHA1 028ae3596c0790e6d7f9f2f3c8e9591527d267f7
SHA512 857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595
SSDEEP 6144:Kk3jgivfCVSRrLV7yAVzKZIjCbanUKWw+ba//PXHUo:30iH0iVPVzKOOunLWf2//0
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2072	2380	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 3060 wrote to memory of 2380	3060	rundll32.exe	30
PID 3060 wrote to memory of 2380	3060	rundll32.exe	30
PID 3060 wrote to memory of 2380	3060	rundll32.exe	30
PID 3060 wrote to memory of 2380	3060	rundll32.exe	30
PID 3060 wrote to memory of 2380	3060	rundll32.exe	30
PID 3060 wrote to memory of 2380	3060	rundll32.exe	30
PID 3060 wrote to memory of 2380	3060	rundll32.exe	30
PID 2380 wrote to memory of 2072	2380	rundll32.exe	31
PID 2380 wrote to memory of 2072	2380	rundll32.exe	31
PID 2380 wrote to memory of 2072	2380	rundll32.exe	31
PID 2380 wrote to memory of 2072	2380	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS850A099E\libcurl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3060
- 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:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 248
    3⤵
    - Program crash
    PID:2072

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

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Downloads

memory/2380-0-0x000000006B440000-0x000000006B4CF000-memory.dmp

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memory/2380-5-0x000000006B440000-0x000000006B4CF000-memory.dmp

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memory/2380-4-0x000000006B440000-0x000000006B4CF000-memory.dmp

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memory/2380-3-0x0000000064940000-0x0000000064959000-memory.dmp

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memory/2380-2-0x000000006494A000-0x000000006494F000-memory.dmp

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memory/2380-1-0x000000006B440000-0x000000006B4CF000-memory.dmp

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memory/2380-6-0x000000006B440000-0x000000006B4CF000-memory.dmp

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memory/2380-8-0x000000006EB40000-0x000000006EB63000-memory.dmp

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memory/2380-7-0x000000006B440000-0x000000006B4CF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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