Overview

overview

10

Static

static

10

1e679268c9...b7.exe

windows7_x64

10

1e679268c9...b7.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-06-2022 21:14

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General

  • Target

    1e679268c90cd112a3b483d13d098fe7fd42b91416c9ab45c3288df66108bcb7.exe

  • Size

    1.6MB

  • MD5

    1a38aa6d5e7ba98c4286009cc910db5c

  • SHA1

    00acd0656d77dc7ffafa1ea28c99601c12a4831f

  • SHA256

    1e679268c90cd112a3b483d13d098fe7fd42b91416c9ab45c3288df66108bcb7

  • SHA512

    6cda465044d55c8eb7bb8c77d014b9a87ebd91dfa528a4f9e07ddb9695989d87614a18a2b60b8f90e8f5dfc83f36dcda5c603ea9d302bc4508b3a82660a59229

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
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 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 28 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\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:768
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1012
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
        1⤵
          PID:3088
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:3304
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3460
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
                PID:3556
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3736
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3392
                  • C:\Windows\Explorer.EXE
                    C:\Windows\Explorer.EXE
                    1⤵
                      PID:2848
                      • C:\Users\Admin\AppData\Local\Temp\1e679268c90cd112a3b483d13d098fe7fd42b91416c9ab45c3288df66108bcb7.exe
                        "C:\Users\Admin\AppData\Local\Temp\1e679268c90cd112a3b483d13d098fe7fd42b91416c9ab45c3288df66108bcb7.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:2328
                        • C:\Users\Admin\AppData\Local\Temp\3582-490\1e679268c90cd112a3b483d13d098fe7fd42b91416c9ab45c3288df66108bcb7.exe
                          "C:\Users\Admin\AppData\Local\Temp\3582-490\1e679268c90cd112a3b483d13d098fe7fd42b91416c9ab45c3288df66108bcb7.exe"
                          3⤵
                          • Modifies firewall policy service
                          • UAC bypass
                          • Windows security bypass
                          • 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:2928
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:2220
                      • C:\Windows\system32\taskhostw.exe
                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                        1⤵
                          PID:2484
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:2392
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2376
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:776

                              Network

                              MITRE ATT&CK Matrix ATT&CK v6

                              Initial Access

                              Replication Through Removable Media

                              1
                              T1091

                              Execution

                              Persistence

                              Modify Existing Service

                              1
                              T1031

                              Change Default File Association

                              1
                              T1042

                              Privilege Escalation

                              Bypass User Account Control

                              1
                              T1088

                              Defense Evasion

                              Modify Registry

                              6
                              T1112

                              Bypass User Account Control

                              1
                              T1088

                              Disabling Security Tools

                              3
                              T1089

                              Credential Access

                              Credentials in Files

                              1
                              T1081

                              Discovery

                              Query Registry

                              2
                              T1012

                              System Information Discovery

                              4
                              T1082

                              Peripheral Device Discovery

                              1
                              T1120

                              Lateral Movement

                              Replication Through Removable Media

                              1
                              T1091

                              Collection

                              Data from Local System

                              1
                              T1005

                              Exfiltration

                              Command and Control

                              Impact

                              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\1e679268c90cd112a3b483d13d098fe7fd42b91416c9ab45c3288df66108bcb7.exe
                                Filesize

                                1.5MB

                                MD5

                                f742e6c35ca44f7a2118e40d52c8bc8f

                                SHA1

                                f6603f0e05a800c185311f46adbf6e092503203d

                                SHA256

                                c50c39475cae55daf5ec94aa935e9fc848a398f50f22c143765c8c3688f0f779

                                SHA512

                                04684f1c5675c63dcef48a7ec778f4c698ebafbc317e1ac4716b909a12196dd61e7476adfa53a8d3d4f570eedbe3149873f03063de9031ae3ade6e46f738999f

                                Download Submit
                              • C:\Users\Admin\AppData\Local\Temp\3582-490\1e679268c90cd112a3b483d13d098fe7fd42b91416c9ab45c3288df66108bcb7.exe
                                Filesize

                                1.5MB

                                MD5

                                f742e6c35ca44f7a2118e40d52c8bc8f

                                SHA1

                                f6603f0e05a800c185311f46adbf6e092503203d

                                SHA256

                                c50c39475cae55daf5ec94aa935e9fc848a398f50f22c143765c8c3688f0f779

                                SHA512

                                04684f1c5675c63dcef48a7ec778f4c698ebafbc317e1ac4716b909a12196dd61e7476adfa53a8d3d4f570eedbe3149873f03063de9031ae3ade6e46f738999f

                                Download Submit
                              • memory/2928-130-0x0000000000000000-mapping.dmp
                                Download
                              • memory/2928-133-0x0000000000400000-0x0000000000441000-memory.dmp
                                Filesize

                                260KB

                                Download
                              • memory/2928-134-0x0000000002330000-0x00000000033BE000-memory.dmp
                                Filesize

                                16.6MB

                                Download
                              • memory/2928-135-0x00000000021F0000-0x0000000002400000-memory.dmp
                                Filesize

                                2.1MB

                                Download
                              • memory/2928-137-0x00000000021F0000-0x0000000002400000-memory.dmp
                                Filesize

                                2.1MB

                                Download
                              • memory/2928-138-0x0000000000400000-0x0000000000441000-memory.dmp
                                Filesize

                                260KB

                                Download