Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2024 06:59

General

  • Target

    $PLUGINSDIR/nsWebEx.dll

  • Size

    296KB

  • MD5

    cc329d5153c6b5949ee9dcedb12926ab

  • SHA1

    75744729739a8db546c08102dde407574d592a3b

  • SHA256

    0974e41b380a2e6fa080b04b7558d12e92d5d0885edf6025b7d0000201de59da

  • SHA512

    42b511bcbc639b6d6b3f657830a56c287d30a9ea0fbb5e63ec1db21bfcbd403a3fb3400f59ed94970fc4a71ca0830749a3f2a3190399c6e596413bba876a0b2e

  • SSDEEP

    3072:pdVMcUtREsBESl+4+dTqQkkc6ncSQ9vyw8gekwvegplJwwwwww6pZaELk5dnD:xMcUjpBrAnTqdKcS0Hwjl2JwbD

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWebEx.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsWebEx.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 236
        3⤵
        • Program crash
        PID:2664

Network

MITRE ATT&CK Enterprise v15

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