0e0caa239efcad5da8c22d727810a18def879a5e73969cafe68e42fca2885475

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 20:21

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General

Target

remotedownload.dll
Size

585KB
MD5

39fdd87b6219de3c3b9b18cc5e3df77b
SHA1

6732852829a01505818fcc4188f3b5114aa94652
SHA256

0e0caa239efcad5da8c22d727810a18def879a5e73969cafe68e42fca2885475
SHA512

339f823848e796710160dd33ca1bf3c2d905680b632a98f32cde5dcad305b913b292697af968aa83b76a7a2221bd5f3e340158319d2adba3e660f2728f761e3a
SSDEEP

12288:94sIeBCmt2Voe0E7T6GubZ6KaUz3ndoTRuXzv:+e/MVoeH6Jo5ydoTRu

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	1740	WerFault.exe	31

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 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 2688 wrote to memory of 1740	2688	rundll32.exe	31
PID 1740 wrote to memory of 2828	1740	rundll32.exe	32
PID 1740 wrote to memory of 2828	1740	rundll32.exe	32
PID 1740 wrote to memory of 2828	1740	rundll32.exe	32
PID 1740 wrote to memory of 2828	1740	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\remotedownload.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\remotedownload.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 276
    3⤵
    - Program crash
    PID:2828

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/1740-0-0x0000000000220000-0x00000000002B7000-memory.dmp

Filesize
604KB

Download
memory/1740-1-0x0000000000220000-0x00000000002B7000-memory.dmp

Filesize
604KB

Download