Analysis

  • max time kernel
    426s
  • max time network
    444s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 00:35

General

  • Target

    New Client.exe

  • Size

    167KB

  • MD5

    c05d3f2f9e97414951d9a850925aae47

  • SHA1

    adf749dcdd4107fd1e9a4c235745e8dbd0c367c1

  • SHA256

    7e7889837a4f42bbc91494f39f5439ce7fc714eed949fe0c2874524fbc8122d7

  • SHA512

    04c753ee0f3155eee7db2280543e1b4309d154025ebdfddec9e5eb1943e2ef679aa4836d8c4105b81139c5ab0f8fd8d872eb2b00951998ec7b1e8dfcb4a0b212

  • SSDEEP

    3072:VcMADoN36tnQviFCtABnKfWl9zqaF9bwYvMJUJ8T2SXZyrgoBJtbN/3MCK2kevEz:V9i9z/vM1/JdSI5eb

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 19 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 14 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 54 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Users\Admin\AppData\Roaming\discord.exe
      "C:\Users\Admin\AppData\Roaming\discord.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4912
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:1744
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:1900
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:1620
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4004
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4448
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4428
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4772
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:2944
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:1856
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:3132
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:3908
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:2640
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4504
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im discord.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:3164
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:708
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1320
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2084
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4368
    • C:\Users\Admin\AppData\Roaming\discord.exe
      "C:\Users\Admin\AppData\Roaming\discord.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\discord.exe.log

      Filesize

      319B

      MD5

      da4fafeffe21b7cb3a8c170ca7911976

      SHA1

      50ef77e2451ab60f93f4db88325b897d215be5ad

      SHA256

      7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7

      SHA512

      0bc24b69460f31a0ebc0628b99908d818ee85feb7e4b663271d9375b30cced0cd55a0bbf8edff1281a4c886ddf4476ffc989c283069cdcb1235ffcb265580fc6

    • C:\Users\Admin\AppData\Roaming\discord.exe

      Filesize

      167KB

      MD5

      c05d3f2f9e97414951d9a850925aae47

      SHA1

      adf749dcdd4107fd1e9a4c235745e8dbd0c367c1

      SHA256

      7e7889837a4f42bbc91494f39f5439ce7fc714eed949fe0c2874524fbc8122d7

      SHA512

      04c753ee0f3155eee7db2280543e1b4309d154025ebdfddec9e5eb1943e2ef679aa4836d8c4105b81139c5ab0f8fd8d872eb2b00951998ec7b1e8dfcb4a0b212

    • memory/2084-14-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-13-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-5-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-4-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-9-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-15-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-10-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-3-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-12-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/2084-11-0x000001C702460000-0x000001C702461000-memory.dmp

      Filesize

      4KB

    • memory/3036-0-0x00000000752B2000-0x00000000752B3000-memory.dmp

      Filesize

      4KB

    • memory/3036-2-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/3036-25-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB

    • memory/3036-1-0x00000000752B0000-0x0000000075861000-memory.dmp

      Filesize

      5.7MB