Overview

overview

10

Static

static

TNT Recei...df.exe

windows7_x64

10

TNT Recei...df.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    29-10-2021 05:09

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General

  • Target

    TNT Receipt_AWB no#87993766478,pdf.exe

  • Size

    715KB

  • MD5

    27a9e4f59f0735c1cd5b6fec688fe6f4

  • SHA1

    86de7e9b35afb3726a925b1a1b7bd00c81c2f6a9

  • SHA256

    64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3

  • SHA512

    1bfc5666172ce59267c58d70347060f5b696dc7414bd1b7efc20f8a544da7c671e9943c3e364ddebdbd734e0de14743f5c5244691d7306973486596376bf75e1

Score
10/10
remcosratsuricata

Malware Config

Signatures

  • Remcos

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

    ratremcos
  • suricata: ET MALWARE Remocs 3.x Unencrypted Checkin

    suricata: ET MALWARE Remocs 3.x Unencrypted Checkin

    suricata
  • suricata: ET MALWARE Remocs 3.x Unencrypted Server Response

    suricata: ET MALWARE Remocs 3.x Unencrypted Server Response

    suricata
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TNT Receipt_AWB no#87993766478,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\TNT Receipt_AWB no#87993766478,pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\fkvd\fkvd.exe'" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\fkvd\fkvd.exe'" /f
        3⤵
        • Creates scheduled task(s)
        PID:512
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\TNT Receipt_AWB no#87993766478,pdf.exe" "C:\Users\Admin\AppData\Roaming\fkvd\fkvd.exe"
      2⤵
        PID:3228

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scripting

    1
    T1064

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Scripting

    1
    T1064

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/512-129-0x0000000000000000-mapping.dmp
      Download
    • memory/956-125-0x0000000000040000-0x0000000000041000-memory.dmp
      Filesize

      4KB

      Download
    • memory/956-123-0x000000000042FC39-mapping.dmp
      Download
    • memory/956-122-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

      Download
    • memory/956-124-0x0000000000040000-0x0000000000041000-memory.dmp
      Filesize

      4KB

      Download
    • memory/956-126-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

      Download
    • memory/1528-127-0x0000000000000000-mapping.dmp
      Download
    • memory/3040-118-0x0000000005700000-0x0000000005701000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3040-119-0x0000000005200000-0x0000000005201000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3040-120-0x0000000002910000-0x0000000002911000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3040-121-0x0000000005130000-0x0000000005131000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3040-115-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3040-117-0x0000000005190000-0x0000000005191000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3228-128-0x0000000000000000-mapping.dmp
      Download