Overview

overview

10

Static

static

3

befb05688d...cf.exe

windows7-x64

10

befb05688d...cf.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 01:58

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General

  • Target

    befb05688d6cda129cdb213bbc0fbbae0dc33eed8c13049a98118b3283c52acf.exe

  • Size

    65KB

  • MD5

    fb30889351ee6ef2c4a717e7799e00bf

  • SHA1

    3113809823e1d099e42c9991aa9383d736562fee

  • SHA256

    befb05688d6cda129cdb213bbc0fbbae0dc33eed8c13049a98118b3283c52acf

  • SHA512

    4057ffe33f2197cb1f220ceb5b1ba578e848a6346900d41887888ec89f696494019e1688d0124240dbf28f7dce69bdf192806f1f3f5460aa7837c48044324894

  • SSDEEP

    1536:3KHQbHo/nVGU9Lwl2O8zxIeUTLP1emUr3gDVfV0L94V:6HBGU9A2hx9UTLP8mhj

Score
10/10
salitybackdoorevasiontrojanupx

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
    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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 41 IoCs
  • UPX dump on OEP (original entry point) 41 IoCs
  • UPX packed file 41 IoCs

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

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2400
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2420
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2632
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3360
                  • C:\Users\Admin\AppData\Local\Temp\befb05688d6cda129cdb213bbc0fbbae0dc33eed8c13049a98118b3283c52acf.exe
                    "C:\Users\Admin\AppData\Local\Temp\befb05688d6cda129cdb213bbc0fbbae0dc33eed8c13049a98118b3283c52acf.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • 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
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1420
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3540
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3784
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3892
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4008
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3112
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4188
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4592
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                1⤵
                                  PID:3356
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
                                  1⤵
                                    PID:2448
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x260,0x7ff97c662e98,0x7ff97c662ea4,0x7ff97c662eb0
                                      2⤵
                                        PID:4388
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2280 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:2
                                        2⤵
                                          PID:2864
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3224 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:3
                                          2⤵
                                            PID:3852
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3328 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
                                            2⤵
                                              PID:2940
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --mojo-platform-channel-handle=5260 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:1
                                              2⤵
                                                PID:1716
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --mojo-platform-channel-handle=5468 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:1
                                                2⤵
                                                  PID:1164
                                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4152 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
                                                  2⤵
                                                    PID:228
                                                • C:\Windows\System32\RuntimeBroker.exe
                                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                  1⤵
                                                    PID:4284
                                                  • C:\Windows\System32\RuntimeBroker.exe
                                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                    1⤵
                                                      PID:628

                                                    Network

                                                    MITRE ATT&CK Matrix ATT&CK v13

                                                    Initial Access

                                                    Replication Through Removable Media

                                                    1
                                                    T1091

                                                    Execution

                                                    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

                                                    Credential Access

                                                    Discovery

                                                    System Information Discovery

                                                    3
                                                    T1082

                                                    Query Registry

                                                    1
                                                    T1012

                                                    Peripheral Device Discovery

                                                    1
                                                    T1120

                                                    Lateral Movement

                                                    Replication Through Removable Media

                                                    1
                                                    T1091

                                                    Collection

                                                    Exfiltration

                                                    Command and Control

                                                    Impact

                                                    Resource Development

                                                    Reconnaissance

                                                    Replay Monitor

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                                                    Downloads

                                                    • C:\xoly.exe
                                                      Filesize

                                                      97KB

                                                      MD5

                                                      44dec2204e87fcb22d4d6a61c6338cdc

                                                      SHA1

                                                      937617edf8f68a8f47a813d3339ba40c5ad72ff5

                                                      SHA256

                                                      51ad406cab17ab8fc5d5437bffa1af52631711f1ab0f9120afc553ee508183a7

                                                      SHA512

                                                      3b76c8b68f3a7a4b2954f9ab85f4068e90c84eb950a7de167bcd486d1af34f5bdc3bdd8d5c0d5194c55760ebf02dc46c4d06843c31c2d05f88d990db5edd5466

                                                      Download Submit
                                                    • memory/1420-30-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-75-0x0000000003AF0000-0x0000000003AF2000-memory.dmp
                                                      Filesize

                                                      8KB

                                                      Download
                                                    • memory/1420-4-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-5-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-6-0x0000000003AF0000-0x0000000003AF2000-memory.dmp
                                                      Filesize

                                                      8KB

                                                      Download
                                                    • memory/1420-7-0x0000000003D80000-0x0000000003D81000-memory.dmp
                                                      Filesize

                                                      4KB

                                                      Download
                                                    • memory/1420-9-0x0000000003AF0000-0x0000000003AF2000-memory.dmp
                                                      Filesize

                                                      8KB

                                                      Download
                                                    • memory/1420-8-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-11-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-12-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-13-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-18-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-19-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-20-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-21-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-22-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-31-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-24-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-26-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-27-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-28-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-0-0x0000000000400000-0x0000000000412000-memory.dmp
                                                      Filesize

                                                      72KB

                                                      Download
                                                    • memory/1420-35-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-3-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-23-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-38-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-40-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-42-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-44-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-46-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-48-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-49-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-50-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-51-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-52-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-53-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-59-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-61-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-63-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-65-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-67-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-69-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-71-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-73-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-34-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download
                                                    • memory/1420-1-0x0000000000840000-0x00000000018FA000-memory.dmp
                                                      Filesize

                                                      16.7MB

                                                      Download