Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    19-01-2021 20:15

General

  • Target

    sB2ppXd9nd1DsMC.exe

  • Size

    831KB

  • MD5

    6471f431e11c4285b7ba8ac3c3e71ad9

  • SHA1

    46f5265999242b24f5ff5cae831709b616a2c381

  • SHA256

    b76e862dccd0da9b40dccf294bef402dc7a34185449bf55b022eb79dc8ce6e23

  • SHA512

    095f5ed132db126a2f4571d3209fb697a609f75887d2a37a8630d5397f7422288d1903b2f21b62138be8644fe1fe9ca1c0537076a541fa9cecb1cb57779dd5f4

Score
10/10

Malware Config

Extracted

Family

remcos

C2

185.244.26.241:1989

Signatures

  • Remcos

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

  • 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 use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
    "C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wShTcQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8C0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1928
    • C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe
      "C:\Users\Admin\AppData\Local\Temp\sB2ppXd9nd1DsMC.exe"
      2⤵
        PID:268

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF8C0.tmp
      MD5

      8d8ac7df42305e6cb4ce97e3b9b635c6

      SHA1

      03f652d663b2fa5330b90c4ba27b19ce55d1e50c

      SHA256

      571f2eba729d8670fcc3c2c84b1c1f2b8a375f3fe3e15fa32a5811bfd71d5743

      SHA512

      10ffcdf580af4085b475bd708ec912275aa9eb64ec93a250cb0aa578681257c7aa253ac84793d564d554ae88ea3f4892acaba608a42d51202a5d1f964bead38e

    • memory/268-10-0x0000000000400000-0x0000000000421000-memory.dmp
      Filesize

      132KB

    • memory/268-11-0x0000000000413FA4-mapping.dmp
    • memory/268-12-0x0000000075EA1000-0x0000000075EA3000-memory.dmp
      Filesize

      8KB

    • memory/268-13-0x0000000000400000-0x0000000000421000-memory.dmp
      Filesize

      132KB

    • memory/1928-8-0x0000000000000000-mapping.dmp
    • memory/2008-2-0x0000000073AF0000-0x00000000741DE000-memory.dmp
      Filesize

      6.9MB

    • memory/2008-3-0x00000000000D0000-0x00000000000D1000-memory.dmp
      Filesize

      4KB

    • memory/2008-5-0x00000000004C0000-0x00000000004E3000-memory.dmp
      Filesize

      140KB

    • memory/2008-6-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
      Filesize

      4KB

    • memory/2008-7-0x0000000004C90000-0x0000000004CE9000-memory.dmp
      Filesize

      356KB