Overview

overview

10

Static

static

ff769e5742...45.exe

windows7_x64

10

ff769e5742...45.exe

windows10_x64

10

Analysis

  • max time kernel
    61s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-11-2020 18:01

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General

  • Target

    ff769e5742cd29ad43c72253f2ccac27832710be32f44cb0a7d91a626ac72645.exe

  • Size

    797KB

  • MD5

    d359ddfb5765789a694878a3c2138c78

  • SHA1

    5d50b7ad689cb9efd42b1719fdcf937c1f80e2e9

  • SHA256

    ff769e5742cd29ad43c72253f2ccac27832710be32f44cb0a7d91a626ac72645

  • SHA512

    aa7762b2deef07a5dce55743242cfb7726ebbf5a2796e89bb50fcc0d7e1ae4b8c7c0f8651f42675bcdae2669228a500bdf2e5f09ef00e4250843e671f20443c5

Score
10/10
evasiontrojanupx

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
    evasion
  • UAC bypass 3 TTPs
    evasiontrojan
  • Windows security bypass 2 TTPs
    evasiontrojan
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 11 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 71 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:708
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:712
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:976
        • c:\windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2792
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
            1⤵
              PID:2816
            • c:\windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2916
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3116
                  • C:\Users\Admin\AppData\Local\Temp\ff769e5742cd29ad43c72253f2ccac27832710be32f44cb0a7d91a626ac72645.exe
                    "C:\Users\Admin\AppData\Local\Temp\ff769e5742cd29ad43c72253f2ccac27832710be32f44cb0a7d91a626ac72645.exe"
                    2⤵
                    • Modifies firewall policy service
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3408
                • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
                  "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
                  1⤵
                    PID:3348
                  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
                    1⤵
                      PID:3360
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3580
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3852

                        Network

                        MITRE ATT&CK Matrix ATT&CK v6

                        Initial Access

                        Execution

                        Persistence

                        Modify Existing Service

                        1
                        T1031

                        Privilege Escalation

                        Bypass User Account Control

                        1
                        T1088

                        Defense Evasion

                        Modify Registry

                        5
                        T1112

                        Bypass User Account Control

                        1
                        T1088

                        Disabling Security Tools

                        3
                        T1089

                        Credential Access

                        Discovery

                        System Information Discovery

                        2
                        T1082

                        Query Registry

                        1
                        T1012

                        Peripheral Device Discovery

                        1
                        T1120

                        Lateral Movement

                        Collection

                        Exfiltration

                        Command and Control

                        Impact

                        Replay Monitor

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                        Downloads

                        • memory/3408-0-0x0000000002270000-0x000000000332A000-memory.dmp
                          Filesize

                          16.7MB

                          Download