Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    13/11/2024, 13:27

General

  • Target
    c526f391bdbc0203430a11e0cd55cdc053ffca97f05f6390811e45975f3d7783N.exe
  • Size 2.6MB
  • Sample241113-qp4ensseqc
  • SHA256 c526f391bdbc0203430a11e0cd55cdc053ffca97f05f6390811e45975f3d7783
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c526f391bdbc0203430a11e0cd55cdc053ffca97f05f6390811e45975f3d7783N.exe
    "C:\Users\Admin\AppData\Local\Temp\c526f391bdbc0203430a11e0cd55cdc053ffca97f05f6390811e45975f3d7783N.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecdevbod.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecdevbod.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2544
    • C:\IntelprocEB\xoptisys.exe
      C:\IntelprocEB\xoptisys.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2176

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        xoptisys.exe

        • Path C:\IntelprocEB\xoptisys.exe
        • Size 2.6MB
        • SHA256 4cfcf39782a4209f3ec1ea0144ed2fc189ce42fdd173e2830f7a109997774aa0
        • MD5 SHA1 SHA512 SSDEEP

        dobdevsys.exe

        • Path C:\Mint68\dobdevsys.exe
        • Size 2.6MB
        • SHA256 7efe999b04ea71ebe5939505bd7a516e907fb86642279133b248c542e14d951e
        • MD5 SHA1 SHA512 SSDEEP

        dobdevsys.exe

        • Path C:\Mint68\dobdevsys.exe
        • Size 2.6MB
        • SHA256 3d7c19b0a5abd14cf56f2752b52bab5ca74426278c7ee4bbb25af35482fd80aa
        • MD5 SHA1 SHA512 SSDEEP

        253086396416_6.1_Admin.ini

        • Path C:\Users\Admin\253086396416_6.1_Admin.ini
        • Size 176B
        • SHA256 c12da5c4990437f98a18cc056471a65736936f8f5c584fe43679bb075417cdfd
        • MD5 SHA1 SHA512

        253086396416_6.1_Admin.ini

        • Path C:\Users\Admin\253086396416_6.1_Admin.ini
        • Size 208B
        • SHA256 3294e26fb7c2f441575b8a567be163e0e7a4bde79cb345d93f500129c7f523f1
        • MD5 SHA1 SHA512

        ecdevbod.exe

        • Path \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecdevbod.exe
        • Size 2.6MB
        • SHA256 cde16c363af1a76d5ff3cc1053bbcc1602cbe8691506f16253155c664bf673d0
        • MD5 SHA1 SHA512 SSDEEP