Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-04-2024 20:11

General

  • Target

    DeepFreeze3.exe

  • Size

    202KB

  • MD5

    638057af238763e319b034c984156cfe

  • SHA1

    1e7f30c505182ef7f4ea704d495bbde942682e42

  • SHA256

    283655432a294659d3532ab8624eab8b8ce6e7dade0a7eb98107f2a77186489c

  • SHA512

    beb8204be20e2377f33f20c772a71e7d98707de1879f37ed46053431037d692d8ae850f8ed1a8c77cdc0f13b717992665ee5710e5043cbae8a1df25792dcdcfb

  • SSDEEP

    6144:gLV6Bta6dtJmakIM5SlE4UXkD2rovrO6mlOZ:gLV6BtpmkN24ttvr5Z

Malware Config

Signatures

  • NanoCore

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe
    "C:\Users\Admin\AppData\Local\Temp\DeepFreeze3.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3592
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:3060
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2772-8-0x00000203D4640000-0x00000203D4650000-memory.dmp

      Filesize

      64KB

    • memory/2772-44-0x00000203DCBD0000-0x00000203DCBD1000-memory.dmp

      Filesize

      4KB

    • memory/2772-43-0x00000203DCAC0000-0x00000203DCAC1000-memory.dmp

      Filesize

      4KB

    • memory/2772-42-0x00000203DCAC0000-0x00000203DCAC1000-memory.dmp

      Filesize

      4KB

    • memory/2772-40-0x00000203DCA90000-0x00000203DCA91000-memory.dmp

      Filesize

      4KB

    • memory/2772-24-0x00000203D4740000-0x00000203D4750000-memory.dmp

      Filesize

      64KB

    • memory/3592-4-0x0000000001320000-0x0000000001330000-memory.dmp

      Filesize

      64KB

    • memory/3592-7-0x0000000075160000-0x0000000075711000-memory.dmp

      Filesize

      5.7MB

    • memory/3592-6-0x0000000001320000-0x0000000001330000-memory.dmp

      Filesize

      64KB

    • memory/3592-5-0x0000000075160000-0x0000000075711000-memory.dmp

      Filesize

      5.7MB

    • memory/3592-0-0x0000000075160000-0x0000000075711000-memory.dmp

      Filesize

      5.7MB

    • memory/3592-2-0x0000000075160000-0x0000000075711000-memory.dmp

      Filesize

      5.7MB

    • memory/3592-1-0x0000000001320000-0x0000000001330000-memory.dmp

      Filesize

      64KB