Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-04-2024 01:01

General

  • Target

    4cef1677e5e896054778060ec165cb35bcc4c923a38ea7eea43609dea20492f0.exe

  • Size

    203KB

  • MD5

    07d9144c3b3cfe44c24f850a74faaacc

  • SHA1

    1df82c6dbe192d9f78e137bb96c499fd5f0c93a5

  • SHA256

    4cef1677e5e896054778060ec165cb35bcc4c923a38ea7eea43609dea20492f0

  • SHA512

    39120f944f46dfa34f0d4a2e59a9bdb74a76d9f69b55c054969a96666b0366651bcc2a0ab4a48f3243a2046e961f43fba5e13d5b04248eeae0f86b7428133584

  • SSDEEP

    6144:sLV6Bta6dtJmakIM51O3JM1fMKQqa7FPp0k4v:sLV6BtpmkBGpC78v

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 35 IoCs
  • 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 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cef1677e5e896054778060ec165cb35bcc4c923a38ea7eea43609dea20492f0.exe
    "C:\Users\Admin\AppData\Local\Temp\4cef1677e5e896054778060ec165cb35bcc4c923a38ea7eea43609dea20492f0.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:1728
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp99EF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2904
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9C60.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp99EF.tmp

    Filesize

    1KB

    MD5

    9913e267519b245bd05576cd155e618b

    SHA1

    f9988cc21222e156d8df51cc1c67ff394e0baa9a

    SHA256

    db8d12fa91ed89d361af77401bd08785c5b7d538627fe2591c69ad675daee81d

    SHA512

    fec48c5fec8a03bc55ff319580a512fcbe476d309cfb4dc8563f3cf5266a68418b8a200a2e6f0fb1131c936f6a9d79cdb0ba72e6f225c36921c6188021acd882

  • C:\Users\Admin\AppData\Local\Temp\tmp9C60.tmp

    Filesize

    1KB

    MD5

    93d357e6194c8eb8d0616a9f592cc4bf

    SHA1

    5cc3a3d95d82cb88f65cb6dc6c188595fa272808

    SHA256

    a18de0ef2102d2546c7afd07ad1d7a071a0e59aff0868cf3937a145f24feb713

    SHA512

    4df079387f6a76e0deb96ab4c11f6cffa62a8b42dc4970e885dab10351fade2d9e933663c141b76409657f85f1bf9dbb533d92dce52dc62598aafc4793743f7f

  • memory/1728-0-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-2-0x0000000000EF0000-0x0000000000F30000-memory.dmp

    Filesize

    256KB

  • memory/1728-1-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-10-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-11-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/1728-12-0x0000000000EF0000-0x0000000000F30000-memory.dmp

    Filesize

    256KB