Overview

overview

10

Static

static

10

251abad3f0...aa.exe

windows7-x64

10

251abad3f0...aa.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    160s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2022, 00:23

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General

  • Target

    251abad3f069e25bcaed0eeedda640ebab2339dbf81be1e26f3510a400e5a9aa.exe

  • Size

    201KB

  • MD5

    78328b0774b296b27eb4ebe8784caa6f

  • SHA1

    d13fed3ecb1045bb29b6d455bfb8045f21ff3d6e

  • SHA256

    251abad3f069e25bcaed0eeedda640ebab2339dbf81be1e26f3510a400e5a9aa

  • SHA512

    dead88f5852ef40594826708728d86acf44ce08da8d1786ebbdeb7190820f792ecfb43b5c1771f049726d1164e4ceddfd9b4337492596e16f55c345273de859d

  • SSDEEP

    3072:sr85Ckj3DuNecAI8mbEtxTOSCN3aQ/DXnu4QUy6a:k9kjaNiUSCN39ru4QVV

Score
10/10
neshtasalitybackdoorevasionpersistencespywarestealertrojanupx

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

  • Detect Neshta payload 1 IoCs
  • Modifies firewall policy service 2 TTPs 3 IoCs
    evasion
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    persistencespywareneshta
  • 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
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:328
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:772
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3444
          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
            1⤵
              PID:3544
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3384
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3680
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4612
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                    1⤵
                      PID:2008
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3296
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3088
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:652
                            • C:\Users\Admin\AppData\Local\Temp\251abad3f069e25bcaed0eeedda640ebab2339dbf81be1e26f3510a400e5a9aa.exe
                              "C:\Users\Admin\AppData\Local\Temp\251abad3f069e25bcaed0eeedda640ebab2339dbf81be1e26f3510a400e5a9aa.exe"
                              2⤵
                              • Modifies system executable filetype association
                              • Checks computer location settings
                              • Drops file in Program Files directory
                              • Drops file in Windows directory
                              • Modifies registry class
                              • Suspicious use of WriteProcessMemory
                              PID:4092
                              • C:\Users\Admin\AppData\Local\Temp\3582-490\251abad3f069e25bcaed0eeedda640ebab2339dbf81be1e26f3510a400e5a9aa.exe
                                "C:\Users\Admin\AppData\Local\Temp\3582-490\251abad3f069e25bcaed0eeedda640ebab2339dbf81be1e26f3510a400e5a9aa.exe"
                                3⤵
                                • Modifies firewall policy service
                                • UAC bypass
                                • Windows security bypass
                                • Disables RegEdit via registry modification
                                • Executes dropped EXE
                                • Windows security modification
                                • Checks whether UAC is enabled
                                • Enumerates connected drives
                                • Drops autorun.inf file
                                • Drops file in Program Files directory
                                • Drops file in Windows directory
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                • System policy modification
                                PID:516
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2888
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2824
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2724
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:804

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

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                                  Downloads

                                  • C:\ODT\office2016setup.exe
                                    Filesize

                                    5.1MB

                                    MD5

                                    02c3d242fe142b0eabec69211b34bc55

                                    SHA1

                                    ea0a4a6d6078b362f7b3a4ad1505ce49957dc16e

                                    SHA256

                                    2a1ed24be7e3859b46ec3ebc316789ead5f12055853f86a9656e04b4bb771842

                                    SHA512

                                    0efb08492eaaa2e923beddc21566e98fbbef3a102f9415ff310ec616f5c84fd2ba3a7025b05e01c0bdf37e5e2f64dfd845f9254a376144cc7d827e7577dbb099

                                    Download Submit

                                  • C:\Users\Admin\AppData\Local\Temp\3582-490\251abad3f069e25bcaed0eeedda640ebab2339dbf81be1e26f3510a400e5a9aa.exe
                                    Filesize

                                    160KB

                                    MD5

                                    ada117281142428229b119e5cb8bb3f3

                                    SHA1

                                    a9ac0514e54267ddb6a7d80dee7ab0ea27866822

                                    SHA256

                                    495479c864fc70198e9c6cc59f42982c0a8f5136c818afe32e26aa053064d352

                                    SHA512

                                    4c26c9c64bbeb64b5b1f49c42c946c101543aeb7696a2cb87f8ddce211a786410809987e3dd51b17c6635a10b2fb9b960af06cab23df5803ba90af90c57abdc7

                                    Download Submit

                                  • C:\Users\Admin\AppData\Local\Temp\3582-490\251abad3f069e25bcaed0eeedda640ebab2339dbf81be1e26f3510a400e5a9aa.exe
                                    Filesize

                                    160KB

                                    MD5

                                    ada117281142428229b119e5cb8bb3f3

                                    SHA1

                                    a9ac0514e54267ddb6a7d80dee7ab0ea27866822

                                    SHA256

                                    495479c864fc70198e9c6cc59f42982c0a8f5136c818afe32e26aa053064d352

                                    SHA512

                                    4c26c9c64bbeb64b5b1f49c42c946c101543aeb7696a2cb87f8ddce211a786410809987e3dd51b17c6635a10b2fb9b960af06cab23df5803ba90af90c57abdc7

                                    Download Submit

                                  • memory/516-136-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                    Download

                                  • memory/516-137-0x00000000021A0000-0x000000000322E000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download

                                  • memory/516-138-0x00000000021A0000-0x000000000322E000-memory.dmp

                                    Filesize

                                    16.6MB

                                    Download