Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 4 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\spoolsv.exe
      C:\Windows\spoolsv.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2268

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\concp32.exe

          Filesize

          1.0MB

          MD5

          7c6022450d2921fe3b19139d32da5a46

          SHA1

          4db702553c2e1c97edbbe1380de072d992ca5be0

          SHA256

          05ae2bd0b57877da1bfbcf5c0a32eb01c7bb9900e4af8c8e28ad6bfe085fb6a5

          SHA512

          c77d7f98f9ab64a77bca5f3a01959dba5df24edcd151c9bd623637013e1228c144b2df6bd15782f37e6f3e05026be75a96de828c298b5d6ccebdd992dea24949

        • C:\Windows\spoolsv.exe

          Filesize

          1.0MB

          MD5

          4ef845d997823e87967dd247bd5b8a6d

          SHA1

          5dd2674d6ab98441613c24c215ec3ab5e0e64a2f

          SHA256

          2c6eebc4b25098e63cd515572be6814fde8a90e55f3c10c258519ea235d22690

          SHA512

          173834a01b90bae680d84dea37b36a6a6ee3a555c2c0e5f4c15a0694921452430a7cdab38aeed2e2d66532c83a0280470f7ce765932100410d0aa036a613688e

        • memory/2268-16-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2268-17-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2792-0-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2792-13-0x0000000000230000-0x0000000000269000-memory.dmp

          Filesize

          228KB

        • memory/2792-15-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB