1a291b488bc80b3663a5021a8b61f753ab2b8af03b5019ef43a36b77db6e72b3

Analysis

max time kernel
140s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 00:26

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General

Target

$PLUGINSDIR/nsWebEx.dll
Size

296KB
MD5

cc329d5153c6b5949ee9dcedb12926ab
SHA1

75744729739a8db546c08102dde407574d592a3b
SHA256

0974e41b380a2e6fa080b04b7558d12e92d5d0885edf6025b7d0000201de59da
SHA512

42b511bcbc639b6d6b3f657830a56c287d30a9ea0fbb5e63ec1db21bfcbd403a3fb3400f59ed94970fc4a71ca0830749a3f2a3190399c6e596413bba876a0b2e
SSDEEP

3072:pdVMcUtREsBESl+4+dTqQkkc6ncSQ9vyw8gekwvegplJwwwwww6pZaELk5dnD:xMcUjpBrAnTqdKcS0Hwjl2JwbD

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1052	3796	WerFault.exe	84

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 3372 wrote to memory of 3796	3372	rundll32.exe	84
PID 3372 wrote to memory of 3796	3372	rundll32.exe	84
PID 3372 wrote to memory of 3796	3372	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWebEx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWebEx.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 672
    3⤵
    - Program crash
    PID:1052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3796 -ip 3796
1⤵
PID:4752

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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