Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 00:51

General

  • Target

    NewClient.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 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 28 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NewClient.exe
    "C:\Users\Admin\AppData\Local\Temp\NewClient.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4552
    • 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
      PID:3288
    • 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\NewClient.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    167KB

    MD5

    c05d3f2f9e97414951d9a850925aae47

    SHA1

    adf749dcdd4107fd1e9a4c235745e8dbd0c367c1

    SHA256

    7e7889837a4f42bbc91494f39f5439ce7fc714eed949fe0c2874524fbc8122d7

    SHA512

    04c753ee0f3155eee7db2280543e1b4309d154025ebdfddec9e5eb1943e2ef679aa4836d8c4105b81139c5ab0f8fd8d872eb2b00951998ec7b1e8dfcb4a0b212

  • memory/3288-11-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/3288-12-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/3288-17-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/4552-0-0x0000000074992000-0x0000000074993000-memory.dmp

    Filesize

    4KB

  • memory/4552-1-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/4552-2-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/4552-13-0x0000000074992000-0x0000000074993000-memory.dmp

    Filesize

    4KB

  • memory/4552-15-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB

  • memory/4552-16-0x0000000074990000-0x0000000074F41000-memory.dmp

    Filesize

    5.7MB