2b0a81c38f8a50530de18c0ff5f207739262155a4a309eac3d10f24e5079e7d1

Analysis

max time kernel
427s
max time network
1149s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
11/11/2024, 17:29 UTC

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General

Target

$PLUGINSDIR/LangDLL.dll
Size

8KB
MD5

e5240dcd169abe69a7332d01106e1d84
SHA1

2ca68892501102586f6ab4eb99744d7f6138c166
SHA256

96c40847d52270061c25743bc9ec4843be1991f3ac36c2d1b78ec04a04437ea4
SHA512

519479d1c6bfd4fcb11e0802f9cf5eb7b324577514a986f0fdf07d33ff6a275dc5ac41654aed818d1c30e0bdda543297f4b7886442cbc93066a808cafbaf8a70
SSDEEP

192:zopZK6yypD9pg5Z8YkvQhUbNA/2/o+OL:cvK685Z8YkvFbN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
640	3676	WerFault.exe	80

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 1752 wrote to memory of 3676	1752	rundll32.exe	80
PID 1752 wrote to memory of 3676	1752	rundll32.exe	80
PID 1752 wrote to memory of 3676	1752	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 448
    3⤵
    - Program crash
    PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 3676 -ip 3676
1⤵
PID:4624

Network

DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

ctldl.windowsupdate.com

Remote address:

8.8.8.8:53

Request

ctldl.windowsupdate.com

IN A

Response

ctldl.windowsupdate.com

IN CNAME

ctldl.windowsupdate.com.delivery.microsoft.com

ctldl.windowsupdate.com.delivery.microsoft.com

IN CNAME

wu-b-net.trafficmanager.net

wu-b-net.trafficmanager.net

IN CNAME

download.windowsupdate.com.edgesuite.net

download.windowsupdate.com.edgesuite.net

IN CNAME

a767.dspw65.akamai.net

a767.dspw65.akamai.net

IN A

2.23.210.83

a767.dspw65.akamai.net

IN A

2.23.210.88

No results found

8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

142 B
427 B
2
2

DNS Request

95.221.229.192.in-addr.arpa

DNS Request

ctldl.windowsupdate.com

DNS Response

2.23.210.83

2.23.210.88

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/3676-0-0x0000000074C20000-0x0000000074C2A000-memory.dmp

Filesize
40KB

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