Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 08:00

General

  • Target

    eaf9c4843e30f663da96a0a1217267a14faac56441962e00c9df348cd399c5ef.exe

  • Size

    35KB

  • MD5

    c5a6861990530ac6c4a85cf0d664c2ce

  • SHA1

    2b76db81b76a1e12c437a0654c38c3bcc769054f

  • SHA256

    eaf9c4843e30f663da96a0a1217267a14faac56441962e00c9df348cd399c5ef

  • SHA512

    1471103d87346e9eea7bebb3be685ae6980fa4c2dd14a3a72d4d916d9fccffa5903e0fe66ddc3006272ce718d5a54f0272083fd561c50df91d3f00434e2e754c

  • SSDEEP

    384:uTgmkYQJ89BqD+H1Apn2tz7XFLsti35MXWTIqB0A+xWbosx97MSAl3AFj8YczMsu:uGJnTt2BVsfIt2ofPEuuMMZSoAsdXBBw

Score
7/10

Malware Config

Signatures

  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eaf9c4843e30f663da96a0a1217267a14faac56441962e00c9df348cd399c5ef.exe
    "C:\Users\Admin\AppData\Local\Temp\eaf9c4843e30f663da96a0a1217267a14faac56441962e00c9df348cd399c5ef.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Users\Admin\AppData\Local\Temp\eaf9c4843e30f663da96a0a1217267a14faac56441962e00c9df348cd399c5ef.exe
      "C:\Users\Admin\AppData\Local\Temp\eaf9c4843e30f663da96a0a1217267a14faac56441962e00c9df348cd399c5ef.exe"
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:2960
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4940

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2960-133-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2960-135-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2960-136-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2960-137-0x0000000010000000-0x000000001000A000-memory.dmp

      Filesize

      40KB