65c3e6e9dc7f50876122c004d13575354b629b6972a48ca566587663acfb7231

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 20:32

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General

Target

恶意软件清理/rsdubsearch.dll
Size

192KB
MD5

caa862b78c7681cef2b4d35ef6778e94
SHA1

8afb02f6be5591505e840fb984146f894ab4834d
SHA256

d6c1fdb7515382a562d81507b736100e8d033d11ec721cb713c789b6e4deb221
SHA512

6df6a8065e6b650781e0a2b9f3a267c7cdf8df0bca3006746e77f98e0f9a67a45f2715cbf1ea416e00facf9f79c75ccd6520d9b0f5acb53640234e147c43f36b
SSDEEP

3072:SvRfLrSiCgnis2P8w1eP+RdviH4VdIuWHabc6AZq8/j+1Q5MjPEVmYBKi:SvJrAs2EB0dKYVpWHabczJ6QB

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	2340	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 2976 wrote to memory of 2340	2976	rundll32.exe	30
PID 2976 wrote to memory of 2340	2976	rundll32.exe	30
PID 2976 wrote to memory of 2340	2976	rundll32.exe	30
PID 2976 wrote to memory of 2340	2976	rundll32.exe	30
PID 2976 wrote to memory of 2340	2976	rundll32.exe	30
PID 2976 wrote to memory of 2340	2976	rundll32.exe	30
PID 2976 wrote to memory of 2340	2976	rundll32.exe	30
PID 2340 wrote to memory of 2196	2340	rundll32.exe	31
PID 2340 wrote to memory of 2196	2340	rundll32.exe	31
PID 2340 wrote to memory of 2196	2340	rundll32.exe	31
PID 2340 wrote to memory of 2196	2340	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\恶意软件清理\rsdubsearch.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\恶意软件清理\rsdubsearch.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 276
    3⤵
    - Program crash
    PID:2196

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/2340-0-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

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