Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15/02/2021, 19:43

General

  • Target
    Orden numero 2140 del 15_02_2021.scr
  • Size 684KB
  • Sample210215-1h7bzslvae
  • SHA256 a5c4ff37cba66018c7df21c2f69fc5e02f351acac0fb3db099ed71218a99dc4e
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • remcos

C2
  • talented.hopto.org:9512

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orden numero 2140 del 15_02_2021.scr
    "C:\Users\Admin\AppData\Local\Temp\Orden numero 2140 del 15_02_2021.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pSqfnat" /XML "C:\Users\Admin\AppData\Local\Temp\tmp243.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1048
    • C:\Users\Admin\AppData\Local\Temp\Orden numero 2140 del 15_02_2021.scr
      "{path}"
      2⤵
        PID:3956

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1308-6-0x00000000056C0000-0x00000000056C1000-memory.dmp

          memory/1308-2-0x0000000073C50000-0x000000007433E000-memory.dmp

          memory/1308-7-0x0000000005670000-0x0000000005671000-memory.dmp

          memory/1308-8-0x00000000079B0000-0x00000000079B1000-memory.dmp

          memory/1308-9-0x0000000007120000-0x0000000007122000-memory.dmp

          memory/1308-10-0x0000000005890000-0x0000000005891000-memory.dmp

          memory/1308-11-0x0000000007A50000-0x0000000007AC5000-memory.dmp

          memory/1308-5-0x0000000005B20000-0x0000000005B21000-memory.dmp

          memory/1308-3-0x0000000000D80000-0x0000000000D81000-memory.dmp

          memory/3956-14-0x0000000000400000-0x0000000000421000-memory.dmp

          memory/3956-16-0x0000000000400000-0x0000000000421000-memory.dmp