Overview

overview

10

Static

static

c05561e39e...0a.exe

windows7_x64

10

c05561e39e...0a.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    61s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-06-2022 12:50

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General

  • Target

    c05561e39ebe1e3fb489e7d38906fc7f8ac49d56f22fe6e757c0412c70a7070a.exe

  • Size

    12.7MB

  • MD5

    06b07ecce07120ffc70da9f2ab553214

  • SHA1

    bfb2563cf8c7c2a5ce3b32acf4e7890b382e6c4e

  • SHA256

    c05561e39ebe1e3fb489e7d38906fc7f8ac49d56f22fe6e757c0412c70a7070a

  • SHA512

    a4cf68e455cdc046a91db56ca401ef2056fa3783bde6582bc98fbfa7b49d44a6f5290f01354179affd3f654a8f1c021ce700022c64b9ce1c41791d2b4b661598

Score
10/10
salitybackdoorevasiontrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • UPX packed file 3 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 1 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:760
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1012
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:768
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2792
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3544
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3608
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3692
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3960
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3440
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:3232
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:3128
                          • C:\Users\Admin\AppData\Local\Temp\c05561e39ebe1e3fb489e7d38906fc7f8ac49d56f22fe6e757c0412c70a7070a.exe
                            "C:\Users\Admin\AppData\Local\Temp\c05561e39ebe1e3fb489e7d38906fc7f8ac49d56f22fe6e757c0412c70a7070a.exe"
                            2⤵
                            • Modifies firewall policy service
                            • UAC bypass
                            • Windows security bypass
                            • 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:4856
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:2656
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2604

                            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/4856-131-0x0000000000400000-0x0000000000428000-memory.dmp
                              Filesize

                              160KB

                              Download
                            • memory/4856-130-0x0000000002380000-0x000000000343A000-memory.dmp
                              Filesize

                              16.7MB

                              Download
                            • memory/4856-132-0x0000000002380000-0x000000000343A000-memory.dmp
                              Filesize

                              16.7MB

                              Download
                            • memory/4856-133-0x0000000000400000-0x0000000000428000-memory.dmp
                              Filesize

                              160KB

                              Download
                            • memory/4856-134-0x0000000002380000-0x000000000343A000-memory.dmp
                              Filesize

                              16.7MB

                              Download