Analysis

  • max time kernel
    161s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 10:41

General

  • Target

    9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe

  • Size

    203KB

  • MD5

    9e7de6d79ccc935fa7c1b629155ca2ef

  • SHA1

    09e1a1d16d81e0c7213cd2664bc47e5ce69165ed

  • SHA256

    52bed4d9c0fdb81bdc4abfd46b47b8f8fa2dcdd570fcdc94f300f087c8b3aa65

  • SHA512

    58f320b34ee14c21fb69e25afab572a3c91d8f78817c365b49d35b969d5b95cf4298d34a9a437b7e2d1f3113ecdad13d63e05dbfbe50925b3c780e69664d7853

  • SSDEEP

    6144:sLV6Bta6dtJmakIM5qDr7rb2Wdkytz9spP:sLV6Btpmk7mWltY

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe
    "C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EFexe.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp78D0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3020
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp96B9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2948

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp96B9.tmp

          Filesize

          1KB

          MD5

          7f4b37265a0a4b0fea67999d11d911e8

          SHA1

          1b8e13e6a27c3768c30cf713b79eaa8a757e1349

          SHA256

          39b16b3a00b6b43c6820357127228c0768a577153014ce7b0ea3c585244dc08b

          SHA512

          ef97ccfb663555aedc7fdc4b3ac4cd6536c80a778b4ec3bc6124a09544733988de1dac1e6a3714b0d6e8713e3523e0732d5dfcf674f2c5e1f3eadacb0c8e5e03

        • memory/2080-0-0x0000000074AE0000-0x0000000075091000-memory.dmp

          Filesize

          5.7MB

        • memory/2080-1-0x0000000074AE0000-0x0000000075091000-memory.dmp

          Filesize

          5.7MB

        • memory/2080-2-0x0000000000F00000-0x0000000000F10000-memory.dmp

          Filesize

          64KB

        • memory/2080-3-0x0000000074AE0000-0x0000000075091000-memory.dmp

          Filesize

          5.7MB

        • memory/2080-4-0x0000000074AE0000-0x0000000075091000-memory.dmp

          Filesize

          5.7MB

        • memory/2080-5-0x0000000000F00000-0x0000000000F10000-memory.dmp

          Filesize

          64KB

        • memory/2080-13-0x0000000000F00000-0x0000000000F10000-memory.dmp

          Filesize

          64KB