Overview

overview

10

Static

static

3

2025-04-04...os.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    123s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2025, 18:36

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General

  • Target

    2025-04-04_61a4806f814d71db10ab47d197f0c6e3_black-basta_hijackloader_luca-stealer_remcos.exe

  • Size

    21.2MB

  • MD5

    61a4806f814d71db10ab47d197f0c6e3

  • SHA1

    25f209c16327d8855e66df77f75229537a9ed3b0

  • SHA256

    dc1712f9b470acc377bc78b5a31674cb18278d23032f8e498b99c97f0194a532

  • SHA512

    8cbfcfc1cc7e4590bc9ca501dc833a101232b04a1748a9e7a10b37e8aa237082d6f05a1ae253d01ebea0a08353276253c1f4c625fde7fca1e7460bf5b34eba2f

  • SSDEEP

    196608:1XMo3++tr2ZI97ai4pNEm6IUDguV9NA+WZfXvuPTxhbmWqPWpyR1pOIIIIIIIIIb:ZEZIIi4b2jgqFhlqPWpyR1pV1

Score
10/10
salitybackdoordefense_evasiondiscoverytrojanupx

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 3 TTPs 3 IoCs
    defense_evasion
  • Sality

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

    backdoorsality
  • Sality family
    sality
  • UAC bypass 3 TTPs 1 IoCs
    defense_evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    defense_evasiontrojan
  • Windows security modification 2 TTPs 7 IoCs
    defense_evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_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.

  • UPX packed file 37 IoCs

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

    upx
  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
    defense_evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2832
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2912
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2980
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3504
                  • C:\Users\Admin\AppData\Local\Temp\2025-04-04_61a4806f814d71db10ab47d197f0c6e3_black-basta_hijackloader_luca-stealer_remcos.exe
                    "C:\Users\Admin\AppData\Local\Temp\2025-04-04_61a4806f814d71db10ab47d197f0c6e3_black-basta_hijackloader_luca-stealer_remcos.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
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:5192
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3820
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3908
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3980
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:784
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4248
                            • 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:4004
                              • C:\Windows\system32\backgroundTaskHost.exe
                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                1⤵
                                  PID:4864
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1372
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:4628
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4676
                                      • C:\Windows\system32\DllHost.exe
                                        C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                        1⤵
                                          PID:5096

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Reconnaissance

                                        Resource Development

                                        Initial Access

                                        Replication Through Removable Media

                                        1
                                        T1091

                                        Execution

                                        Persistence

                                        Create or Modify System Process

                                        1
                                        T1543

                                        Windows Service

                                        1
                                        T1543.003

                                        Privilege Escalation

                                        Abuse Elevation Control Mechanism

                                        1
                                        T1548

                                        Bypass User Account Control

                                        1
                                        T1548.002

                                        Create or Modify System Process

                                        1
                                        T1543

                                        Windows Service

                                        1
                                        T1543.003

                                        Defense Evasion

                                        Abuse Elevation Control Mechanism

                                        1
                                        T1548

                                        Bypass User Account Control

                                        1
                                        T1548.002

                                        Impair Defenses

                                        4
                                        T1562

                                        Disable or Modify System Firewall

                                        1
                                        T1562.004

                                        Disable or Modify Tools

                                        3
                                        T1562.001

                                        Modify Registry

                                        5
                                        T1112

                                        Credential Access

                                        Discovery

                                        Peripheral Device Discovery

                                        1
                                        T1120

                                        Query Registry

                                        1
                                        T1012

                                        System Information Discovery

                                        3
                                        T1082

                                        System Location Discovery

                                        1
                                        T1614

                                        System Language Discovery

                                        1
                                        T1614.001

                                        Lateral Movement

                                        Replication Through Removable Media

                                        1
                                        T1091

                                        Collection

                                        Command and Control

                                        Exfiltration

                                        Impact

                                        Replay Monitor

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                                        Downloads

                                        • C:\kuad.pif
                                          Filesize

                                          100KB

                                          MD5

                                          9662477e45f508026213cfa5f5ce047b

                                          SHA1

                                          d9e10ffc82d2eb2255e9c872830d9913fd4047e4

                                          SHA256

                                          b0a21a40aa74a6db64773ba4fd5b7dba7fe496fe02128044cd804412202728b6

                                          SHA512

                                          1261f07bd96eb6a77dcc0ec620d4f42b5d2509dc91d831e692987e760429642d43d0d44432b75034d90d3396a168180ebc72462c88dae60dd88667e850f3659b

                                          Download Submit

                                        • memory/5192-27-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-3-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-11-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-10-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-12-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-15-0x00000000058F0000-0x00000000058F2000-memory.dmp

                                          Filesize

                                          8KB

                                          Download

                                        • memory/5192-14-0x00000000058F0000-0x00000000058F2000-memory.dmp

                                          Filesize

                                          8KB

                                          Download

                                        • memory/5192-13-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-9-0x0000000005A40000-0x0000000005A41000-memory.dmp

                                          Filesize

                                          4KB

                                          Download

                                        • memory/5192-8-0x00000000058F0000-0x00000000058F2000-memory.dmp

                                          Filesize

                                          8KB

                                          Download

                                        • memory/5192-7-0x0000000000400000-0x0000000001944000-memory.dmp

                                          Filesize

                                          21.3MB

                                          Download

                                        • memory/5192-4-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-0-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-17-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-19-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-18-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-21-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-20-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-23-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-24-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-29-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-25-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-2-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-30-0x00000000058F0000-0x00000000058F2000-memory.dmp

                                          Filesize

                                          8KB

                                          Download

                                        • memory/5192-31-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-33-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-35-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-41-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-43-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-45-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-47-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-49-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-51-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-53-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-56-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-57-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-60-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-61-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-63-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-66-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-67-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-69-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-5-0x00000000038E0000-0x000000000496E000-memory.dmp

                                          Filesize

                                          16.6MB

                                          Download

                                        • memory/5192-80-0x0000000000400000-0x0000000001944000-memory.dmp

                                          Filesize

                                          21.3MB

                                          Download