Analysis

  • max time kernel
    141s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2023, 17:31

General

  • Target

    NEAS.ee00b08279338ade666a4a5ba8e3ca90_JC.dll

  • Size

    76KB

  • MD5

    ee00b08279338ade666a4a5ba8e3ca90

  • SHA1

    8e70f4297a0160eeef3b07014b3a4e2be95a4b66

  • SHA256

    6523d37ebf0fe5de8ceb3b6007dd626ebd0e0985e50a86b589a8cb3e99a45f6b

  • SHA512

    8a3a00c921433e9e22e3c0f35a2140dee1af94d05e793e57573668be30d15e1598a24ddf190419bbada0422e8d0eeffbd9d08bd30a80dde5809cb0c43f22c67c

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZJKC:c8y93KQjy7G55riF1cMo03TD

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.ee00b08279338ade666a4a5ba8e3ca90_JC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4352
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.ee00b08279338ade666a4a5ba8e3ca90_JC.dll,#1
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 696
        3⤵
        • Program crash
        PID:1236
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3740 -ip 3740
    1⤵
      PID:5020

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3740-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3740-1-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB