Overview

overview

10

Static

static

fd1774acd0...75.exe

windows7-x64

10

fd1774acd0...75.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    106s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 03:58

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General

  • Target

    fd1774acd04287aea1a94dfd408dac0495c08595d299e3b92be00b0e8acc4375.exe

  • Size

    497KB

  • MD5

    6c4802f7951ef61f56b5b0fd7fd00ab0

  • SHA1

    27933639863a8d5add077cdbff6d0a8deb0315b2

  • SHA256

    fd1774acd04287aea1a94dfd408dac0495c08595d299e3b92be00b0e8acc4375

  • SHA512

    09fec7359439e8489cdc8db0c5ce2255e13b4e3b95dd86862c2ddf579d9aedb106c65d129632ef8a144493e4cc84c525d85565bb4161e4ceaed94d36d1099c07

  • SSDEEP

    6144:+1ilFhJmWT4fPAkLd+yu/U5EFeqjhTmWvQtQhqaQ/bnebUd51cRVIOA6:SWT43Akoyu/77jhTNjqaQ/bnr1cRVIj6

Score
10/10
salityadwarebackdoorevasionstealertrojanupx

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • UPX packed file 2 IoCs

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

    upx
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:384
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2404
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
        1⤵
          PID:2444
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2600
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3372
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3276
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:2772
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                  1⤵
                    PID:4980
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                    1⤵
                      PID:3744
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4672
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3704
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3584
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3440
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:1368
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:2864
                                  • C:\Users\Admin\AppData\Local\Temp\fd1774acd04287aea1a94dfd408dac0495c08595d299e3b92be00b0e8acc4375.exe
                                    "C:\Users\Admin\AppData\Local\Temp\fd1774acd04287aea1a94dfd408dac0495c08595d299e3b92be00b0e8acc4375.exe"
                                    2⤵
                                    • Modifies firewall policy service
                                    • UAC bypass
                                    • Windows security bypass
                                    • Disables RegEdit via registry modification
                                    • Loads dropped DLL
                                    • Windows security modification
                                    • Checks whether UAC is enabled
                                    • Installs/modifies Browser Helper Object
                                    • Drops file in System32 directory
                                    • Drops file in Windows directory
                                    • Modifies registry class
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of SetWindowsHookEx
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:2972
                                • C:\Windows\system32\fontdrvhost.exe
                                  "fontdrvhost.exe"
                                  1⤵
                                    PID:804
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:800

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • C:\Windows\SysWOW64\iconhandle.dll
                                      Filesize

                                      89KB

                                      MD5

                                      ff5e351935f68327176317557d39d148

                                      SHA1

                                      782af9b27d5fe6ab8b77e648c0e106024ddfad49

                                      SHA256

                                      beccf49b42d153047e4912aa0d00202a5ef9d94f57dfe2a7ce7f43afa338e5bf

                                      SHA512

                                      45ebef101a0e0e1630828d4e8dda46523e015b5074009a2ba8fa8a9ab62853f48f49b6bdad2a158ab0f377e6597c905501acf5391ffa74c9768e71f2599fe6cb

                                      Download Submit

                                    • C:\Windows\SysWOW64\webad.dll
                                      Filesize

                                      92KB

                                      MD5

                                      34804338d229cd5d610d2035e31f2bcc

                                      SHA1

                                      10c1293ac1f32556af1741ae68751e8c7755a558

                                      SHA256

                                      d76bb94b09aa6e982077bc6f8d27687f9948976f1359b21633fffe550e8fa57c

                                      SHA512

                                      d50f0fbfcde21ce9ea624cb4925af0bec85d36af10784a598478168daed0dfc748e8260ac37f92a6a95d9b1c85e048f2a29e7c91c5f66a42d08879e57d17e31b

                                      Download Submit

                                    • C:\Windows\SysWOW64\webad.dll
                                      Filesize

                                      92KB

                                      MD5

                                      34804338d229cd5d610d2035e31f2bcc

                                      SHA1

                                      10c1293ac1f32556af1741ae68751e8c7755a558

                                      SHA256

                                      d76bb94b09aa6e982077bc6f8d27687f9948976f1359b21633fffe550e8fa57c

                                      SHA512

                                      d50f0fbfcde21ce9ea624cb4925af0bec85d36af10784a598478168daed0dfc748e8260ac37f92a6a95d9b1c85e048f2a29e7c91c5f66a42d08879e57d17e31b

                                      Download Submit

                                    • memory/2972-132-0x0000000000400000-0x000000000048F000-memory.dmp

                                      Filesize

                                      572KB

                                      Download

                                    • memory/2972-133-0x00000000023B0000-0x000000000343E000-memory.dmp

                                      Filesize

                                      16.6MB

                                      Download

                                    • memory/2972-137-0x0000000000400000-0x000000000048F000-memory.dmp

                                      Filesize

                                      572KB

                                      Download

                                    • memory/2972-138-0x00000000023B0000-0x000000000343E000-memory.dmp

                                      Filesize

                                      16.6MB

                                      Download

                                    • memory/2972-139-0x00000000023B0000-0x000000000343E000-memory.dmp

                                      Filesize

                                      16.6MB

                                      Download