Overview

overview

10

Static

static

3

b0642aa76a...9c.exe

windows7-x64

10

b0642aa76a...9c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    92s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2024, 01:46

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General

  • Target

    b0642aa76a1a14c2613c6c347f4b771c8ba828ca0db6db59b794689c15f3c59c.exe

  • Size

    2.1MB

  • MD5

    021ee8ee4f2290ab155ef42dd5986f82

  • SHA1

    f71d6a33eb9118c885a462c4f5c05b3772ce3c48

  • SHA256

    b0642aa76a1a14c2613c6c347f4b771c8ba828ca0db6db59b794689c15f3c59c

  • SHA512

    4af7774d1832fb8cb06b4f64a353ab11bdeb6da16c27fdef50c577a66a514f61a9fba240b23ee9472839eb36c0b3fa46f141ac4c60d3f6723e8882e04338519d

  • SSDEEP

    49152:O3FTf1MTJhKRVd7aL/dpmB3koCjImS6/jk3jou:451MTJMWRpmVkOmU

Score
10/10
salitybackdoorbootkitdiscoveryevasionpersistencetrojanupx

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 3 TTPs 3 IoCs
    evasion
  • Sality

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

    backdoorsality
  • Sality family
    sality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • UPX packed file 5 IoCs

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

    upx
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2880
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2888
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3008
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Users\Admin\AppData\Local\Temp\b0642aa76a1a14c2613c6c347f4b771c8ba828ca0db6db59b794689c15f3c59c.exe
                    "C:\Users\Admin\AppData\Local\Temp\b0642aa76a1a14c2613c6c347f4b771c8ba828ca0db6db59b794689c15f3c59c.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Writes to the Master Boot Record (MBR)
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:628
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3568
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4144

                            Network

                            MITRE ATT&CK Enterprise v15

                            Reconnaissance

                            Resource Development

                            Initial Access

                            Execution

                            Persistence

                            Create or Modify System Process

                            1
                            T1543

                            Windows Service

                            1
                            T1543.003

                            Pre-OS Boot

                            1
                            T1542

                            Bootkit

                            1
                            T1542.003

                            Privilege Escalation

                            Abuse Elevation Control Mechanism

                            1
                            T1548

                            Bypass User Account Control

                            1
                            T1548.002

                            Create or Modify System Process

                            1
                            T1543

                            Windows Service

                            1
                            T1543.003

                            Defense Evasion

                            Abuse Elevation Control Mechanism

                            1
                            T1548

                            Bypass User Account Control

                            1
                            T1548.002

                            Impair Defenses

                            4
                            T1562

                            Disable or Modify System Firewall

                            1
                            T1562.004

                            Disable or Modify Tools

                            3
                            T1562.001

                            Modify Registry

                            5
                            T1112

                            Pre-OS Boot

                            1
                            T1542

                            Bootkit

                            1
                            T1542.003

                            Credential Access

                            Discovery

                            System Information Discovery

                            1
                            T1082

                            System Location Discovery

                            1
                            T1614

                            System Language Discovery

                            1
                            T1614.001

                            Lateral Movement

                            Collection

                            Command and Control

                            Exfiltration

                            Impact

                            Replay Monitor

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                            Downloads

                            • memory/628-0-0x0000000000400000-0x0000000000618000-memory.dmp

                              Filesize

                              2.1MB

                              Download

                            • memory/628-1-0x0000000002520000-0x00000000035DA000-memory.dmp

                              Filesize

                              16.7MB

                              Download

                            • memory/628-5-0x0000000002520000-0x00000000035DA000-memory.dmp

                              Filesize

                              16.7MB

                              Download

                            • memory/628-4-0x0000000002520000-0x00000000035DA000-memory.dmp

                              Filesize

                              16.7MB

                              Download

                            • memory/628-3-0x0000000002520000-0x00000000035DA000-memory.dmp

                              Filesize

                              16.7MB

                              Download

                            • memory/628-11-0x0000000000400000-0x0000000000618000-memory.dmp

                              Filesize

                              2.1MB

                              Download

                            • memory/628-8-0x0000000002520000-0x00000000035DA000-memory.dmp

                              Filesize

                              16.7MB

                              Download