9ed5767db68fb669b3f18a0565cae471ee3800b94a187c4512e5a6691797c511

Resubmissions

27-11-2024 20:39

241127-zfpdtszjes 6

27-11-2024 20:33

25-11-2024 22:14

25-11-2024 20:57

28-09-2024 18:21

Analysis

max time kernel
91s
max time network
103s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
27-11-2024 20:39

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General

Target

YunShellExt.dll
Size

783KB
MD5

07279ef082ddc63a51c663b7ba003f03
SHA1

46c651926f478a29ea6cb75f982456be4dd168eb
SHA256

696ed7f01ca07963cad40eb0177bda10494a232707000e449bab9874a222f358
SHA512

febe5416fd36f750061569f15ab211286608e784296f3fc49fcb3c4508b74b1339110a83ea681b94846d662dd200c4c8b7c2fa657a0e9ee7bc9bb2b6f039b5a2
SSDEEP

12288:TXJNjwqkHjClb9ITZWj5bFSXiXO/aTeTISu8ArGzGtx2mYQJobK:THBkHjc9FeiXO/aTwIDIoUs

Score

3^/10

discovery

Malware Config

Signatures

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	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 2900	1404	regsvr32.exe	80
PID 1404 wrote to memory of 2900	1404	regsvr32.exe	80
PID 1404 wrote to memory of 2900	1404	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\YunShellExt.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\YunShellExt.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2900

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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