Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 15:58

General

  • Target

    cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe

  • Size

    1022KB

  • MD5

    d745c1b6b062fa3e668b918509e80930

  • SHA1

    fd2b54b5718f365176cd31ad29a8fc3c989ebd59

  • SHA256

    cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440d

  • SHA512

    ec53c70773fcb2774184963cd2ac64b6fe285c2d297908bfa626d19155355ccd257064ee11d1904a497f2f8bb5dc1fa729ab3516a632761bd218a84e45391aa7

  • SSDEEP

    24576:v6Zv2ivhBVnFys7xP86LkRCMfi1odzqrNgBbE59DjX:vE2ivhQs7dLkNMRW+9vX

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 3 IoCs

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

  • 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.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe
    "C:\Users\Admin\AppData\Local\Temp\cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:4392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 776
      2⤵
      • Program crash
      PID:3344
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4392 -ip 4392
    1⤵
      PID:5096

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\concp32.exe

            Filesize

            1.0MB

            MD5

            7c6022450d2921fe3b19139d32da5a46

            SHA1

            4db702553c2e1c97edbbe1380de072d992ca5be0

            SHA256

            05ae2bd0b57877da1bfbcf5c0a32eb01c7bb9900e4af8c8e28ad6bfe085fb6a5

            SHA512

            c77d7f98f9ab64a77bca5f3a01959dba5df24edcd151c9bd623637013e1228c144b2df6bd15782f37e6f3e05026be75a96de828c298b5d6ccebdd992dea24949

          • memory/4392-0-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/4392-7-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB