Resubmissions

14/04/2025, 07:51

250414-jp1kfssjz9 10

14/04/2025, 07:46

250414-jl9nyssjt9 10

08/04/2025, 15:58

250408-tevasswl18 10

08/04/2025, 14:19

250408-rm2nqsvqw2 10

Analysis

  • max time kernel
    899s
  • max time network
    881s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2025, 15:58

General

  • Target

    f835ddaf4933c7bd4a3aa1f015442bb48b69f863f467dd8d1db09e6f2a427fd7.exe

  • Size

    203KB

  • MD5

    78be6e34e084a276a492dca4ab0c244b

  • SHA1

    ed34261034f95ea92460e82d0af35ffabf6ba7ec

  • SHA256

    f835ddaf4933c7bd4a3aa1f015442bb48b69f863f467dd8d1db09e6f2a427fd7

  • SHA512

    298d5bc97c6c47c81bb5eec2985276e078739971ccaebafbb3c289f55daaabb9d3a871682b40caa5fc499635e892be93f51062aa1b903a41487bbd32c98d53ec

  • SSDEEP

    3072:szEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIbjiT05t4Ziu8hBVv4TPcXQZqn:sLV6Bta6dtJmakIM5BGtMMnEcXs7hmk2

Malware Config

Signatures

  • NanoCore

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

  • Nanocore family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 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\f835ddaf4933c7bd4a3aa1f015442bb48b69f863f467dd8d1db09e6f2a427fd7.exe
    "C:\Users\Admin\AppData\Local\Temp\f835ddaf4933c7bd4a3aa1f015442bb48b69f863f467dd8d1db09e6f2a427fd7.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7D1F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4248
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7DEB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1904
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Program Files (x86)\LAN Service\lansvc.exe
    1⤵
      PID:312

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp7D1F.tmp

      Filesize

      1KB

      MD5

      2df0f7425c6f4a9c09cafe95ad3e305f

      SHA1

      e7a9e070f0aa700f41855769eeb9a25330b7800d

      SHA256

      7ce2f53ee5d26a85c6807a713e7616d8238bfd5cad6904c3151095695c40bc1a

      SHA512

      a3945f271a3df9007f909e59bbcbea406a296391b5111642ba13697ca6c65411380ce74a268b84229e0a31ffa86a906d9c69a4a62630f1fb5008b5fa110430eb

    • C:\Users\Admin\AppData\Local\Temp\tmp7DEB.tmp

      Filesize

      1KB

      MD5

      10fabfd2c6060c2db1bd6c6f3070be16

      SHA1

      65f418ad9715165a57efb4da44717dfcdfb71097

      SHA256

      1dd3aba494ff6ac9cd0437cbdeac0b0da0dea26828f45acded7d40f1b3461270

      SHA512

      9b21ce066c75fe9d4b12d8770920c51f5dcd0ba986b453fec93643f08d656b13e8d618d712414ca4dfda3f0cfad7371b3c2ad2d5620909e0ce43f1352d8a4485

    • memory/1504-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

      Filesize

      4KB

    • memory/1504-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/1504-2-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/1504-10-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/1504-11-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

      Filesize

      4KB

    • memory/1504-12-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/1504-13-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/1504-14-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB