e636290a2ebf939780fa3fb1ddfbe1296130808a0c0ca6e319b1c7196cf95a27

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 01:52

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General

Target

rydg86x.dll
Size

41.0MB
MD5

94ede2f21ef711154e0e3221fa794a06
SHA1

7fbd93f1a91ce7d435e3ee43cd535b07560dc9ee
SHA256

dc2ae16c77466c63f0cc61caecbca5983837cee005213b884bccd8a2a9ed587f
SHA512

68c09124512779ef8c7d0c0fa5f445ac137017d7a0fc05db6e32c580b7d92614d0358ea2d8e9dfbc07479b993bb731b56cd6676de33b04cda78de00f8cc3425b
SSDEEP

196608:n3L3NL80mvor/pVpFnD426B+unfh+J/i9AQgS/6XAv8Mh3M1IcjfDGy2lndzVYSi:n3L3NLC26B8/AvP3MelndzVYcZI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2304	4984	WerFault.exe	85

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 2616 wrote to memory of 4984	2616	rundll32.exe	85
PID 2616 wrote to memory of 4984	2616	rundll32.exe	85
PID 2616 wrote to memory of 4984	2616	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rydg86x.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rydg86x.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 776
    3⤵
    - Program crash
    PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4984 -ip 4984
1⤵
PID:1840

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/4984-0-0x00000000770C2000-0x00000000770C3000-memory.dmp

Filesize
4KB

Download
memory/4984-1-0x0000000074520000-0x0000000074B29000-memory.dmp

Filesize
6.0MB

Download