Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2023 02:39

General

  • Target

    NEAS.03ba67cce3ef625dd098637435a0f8a0_JC.dll

  • Size

    76KB

  • MD5

    03ba67cce3ef625dd098637435a0f8a0

  • SHA1

    2f9ed383d5bd4049bf4346cf780f180f6ff45e93

  • SHA256

    ed5b3ba74404d758d889622f8aef034d1389722e0528dac5b98e6073f8614bd5

  • SHA512

    3fcdddd54d1328d87cbbf4330bcd135f9de42d95223889cf525c3916246b28a5c928ffbe80239da7fdf93961481090c778929e3d691f107aef3af327f5a60e37

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZRgw4s4:c8y93KQjy7G55riF1cMo03/b4Z

Score
7/10
upx

Malware Config

Signatures

  • 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.03ba67cce3ef625dd098637435a0f8a0_JC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.03ba67cce3ef625dd098637435a0f8a0_JC.dll,#1
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 672
        3⤵
        • Program crash
        PID:1840
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2832 -ip 2832
    1⤵
      PID:2340

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2832-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2832-1-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB