Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 23:09

General

  • Target

    6b6788a98d3e207cbb894ca21f244d94d9ad605c2e299b1af5673de7ae446bd2.exe

  • Size

    2.1MB

  • MD5

    c6c25d0e580e0cb0038b40f310a489e1

  • SHA1

    607b33dccc785dac27627831b63628f97175d6b5

  • SHA256

    6b6788a98d3e207cbb894ca21f244d94d9ad605c2e299b1af5673de7ae446bd2

  • SHA512

    aee036a03d62f799421aa0bb7046612b2cecc3b7352864d9163cb32c997057f4f9e2b11af406fe9790c94475b72b5caee40a66400ea9807262f85389d69a8cea

  • SSDEEP

    49152:mJXfy0ooUGxgjYKS/WSkY7c8B7x+ROhiyCSR7vJOYXb:30BUI+3LqLXb

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
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 13 IoCs
  • UPX dump on OEP (original entry point) 14 IoCs
  • UPX packed file 13 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\wininit.exe
    wininit.exe
    1⤵
      PID:380
      • C:\Windows\system32\services.exe
        C:\Windows\system32\services.exe
        2⤵
          PID:472
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:592
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                4⤵
                  PID:2004
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS
                3⤵
                  PID:672
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                  3⤵
                    PID:736
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                    3⤵
                      PID:812
                      • C:\Windows\system32\Dwm.exe
                        "C:\Windows\system32\Dwm.exe"
                        4⤵
                          PID:1168
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        3⤵
                          PID:852
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          3⤵
                            PID:960
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k NetworkService
                            3⤵
                              PID:112
                            • C:\Windows\System32\spoolsv.exe
                              C:\Windows\System32\spoolsv.exe
                              3⤵
                                PID:984
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                3⤵
                                  PID:1044
                                • C:\Windows\system32\taskhost.exe
                                  "taskhost.exe"
                                  3⤵
                                    PID:1108
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                    3⤵
                                      PID:1316
                                    • C:\Windows\system32\sppsvc.exe
                                      C:\Windows\system32\sppsvc.exe
                                      3⤵
                                        PID:1812
                                    • C:\Windows\system32\lsass.exe
                                      C:\Windows\system32\lsass.exe
                                      2⤵
                                        PID:488
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:496
                                      • C:\Windows\system32\csrss.exe
                                        %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                        1⤵
                                          PID:388
                                        • C:\Windows\system32\winlogon.exe
                                          winlogon.exe
                                          1⤵
                                            PID:428
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1196
                                              • C:\Users\Admin\AppData\Local\Temp\6b6788a98d3e207cbb894ca21f244d94d9ad605c2e299b1af5673de7ae446bd2.exe
                                                "C:\Users\Admin\AppData\Local\Temp\6b6788a98d3e207cbb894ca21f244d94d9ad605c2e299b1af5673de7ae446bd2.exe"
                                                2⤵
                                                • Modifies firewall policy service
                                                • UAC bypass
                                                • Windows security bypass
                                                • Windows security modification
                                                • Checks whether UAC is enabled
                                                • Drops file in Windows directory
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: MapViewOfSection
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of SetWindowsHookEx
                                                • Suspicious use of WriteProcessMemory
                                                • System policy modification
                                                PID:2416

                                            Network

                                            MITRE ATT&CK Matrix ATT&CK v13

                                            Persistence

                                            Create or Modify System Process

                                            1
                                            T1543

                                            Windows Service

                                            1
                                            T1543.003

                                            Privilege Escalation

                                            Create or Modify System Process

                                            1
                                            T1543

                                            Windows Service

                                            1
                                            T1543.003

                                            Abuse Elevation Control Mechanism

                                            1
                                            T1548

                                            Bypass User Account Control

                                            1
                                            T1548.002

                                            Defense Evasion

                                            Modify Registry

                                            5
                                            T1112

                                            Abuse Elevation Control Mechanism

                                            1
                                            T1548

                                            Bypass User Account Control

                                            1
                                            T1548.002

                                            Impair Defenses

                                            3
                                            T1562

                                            Disable or Modify Tools

                                            3
                                            T1562.001

                                            Discovery

                                            System Information Discovery

                                            2
                                            T1082

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\windkhh.exe
                                              Filesize

                                              96KB

                                              MD5

                                              40fde4e8e9fe8113be8080eec37c5bbb

                                              SHA1

                                              dd80af1c3ba22b28976bb4184c70c430a273e501

                                              SHA256

                                              17adc6733e3a9d4259ecc2b0ed9c8289448678084393b3cd627a2c572c42cb5c

                                              SHA512

                                              9c27f0b835fd5c6aaa74988558a3d2d89dceab279c0809b715da6bfd2497be7e526822002f2cf2dd2d1c53c3502b770321ad1440393d57f0006e22c41e03a2f3

                                            • C:\Windows\system.ini
                                              Filesize

                                              256B

                                              MD5

                                              f6d745915f755a2c356d07856ea7e4fb

                                              SHA1

                                              82f0c47a1e39d4e046923f72975c74b52ca3ca18

                                              SHA256

                                              1db59495bf26ac2b7aa61fe82e0d97d3b41a8c7eb67a4cfcd05e6fb8bb6e3ed5

                                              SHA512

                                              178521c77fce41fee7452bb9e196040fdc733ef3fd65c896439e4bec3ae7ecbe1c1960450103e612f943082eee114bce0b227884edc8ce243adae0bea21ecae9

                                            • memory/1108-16-0x0000000002010000-0x0000000002012000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/2416-42-0x0000000000730000-0x0000000000731000-memory.dmp
                                              Filesize

                                              4KB

                                            • memory/2416-4-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-37-0x0000000000730000-0x0000000000731000-memory.dmp
                                              Filesize

                                              4KB

                                            • memory/2416-7-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-11-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-6-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-40-0x00000000003F0000-0x00000000003F2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/2416-12-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-9-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-0-0x0000000000400000-0x0000000000620000-memory.dmp
                                              Filesize

                                              2.1MB

                                            • memory/2416-41-0x00000000003F0000-0x00000000003F2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/2416-5-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-36-0x00000000003F0000-0x00000000003F2000-memory.dmp
                                              Filesize

                                              8KB

                                            • memory/2416-10-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-8-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-14-0x0000000077DEF000-0x0000000077DF0000-memory.dmp
                                              Filesize

                                              4KB

                                            • memory/2416-13-0x0000000077DF0000-0x0000000077DF1000-memory.dmp
                                              Filesize

                                              4KB

                                            • memory/2416-2-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-46-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-45-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-68-0x0000000002190000-0x000000000324A000-memory.dmp
                                              Filesize

                                              16.7MB

                                            • memory/2416-67-0x0000000000400000-0x0000000000620000-memory.dmp
                                              Filesize

                                              2.1MB