Overview

overview

10

Static

static

3

2025-04-05...os.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    70s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2025, 05:13

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General

  • Target

    2025-04-05_c92d5bfbeba153a4ea4e936db4edf113_black-basta_hijackloader_luca-stealer_remcos.exe

  • Size

    2.9MB

  • MD5

    c92d5bfbeba153a4ea4e936db4edf113

  • SHA1

    6467d7ad5151972f146fa8a384ba563442b5c59b

  • SHA256

    96298fd85d765888f331d9ed23ee0373fb12e069eb0ceb5e8cc194a1dba92b7a

  • SHA512

    7ec9b46bcc352c8d2dab1519c7aad7179e60eed05e7f2893b0ea4707424b39bf793354f68147460eb46d864d6dbc94aacf232f2e342dd75e2c6c2dd5fccd1c47

  • SSDEEP

    49152:mK8O2YA0tbSLx9FoPc99XF55GH662TJPJYEij9tSmqQ7Iffiii+:pH2uti3oE97QHMJmj9obN

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

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
  • UPX packed file 7 IoCs

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

    upx
  • Drops file in Windows directory 2 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 1 IoCs
    defense_evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:796
    • 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:2524
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2532
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2880
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3596
                  • C:\Users\Admin\AppData\Local\Temp\2025-04-05_c92d5bfbeba153a4ea4e936db4edf113_black-basta_hijackloader_luca-stealer_remcos.exe
                    "C:\Users\Admin\AppData\Local\Temp\2025-04-05_c92d5bfbeba153a4ea4e936db4edf113_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
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:432
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3728
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3916
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4012
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:744
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3848

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • memory/432-0-0x0000000000400000-0x00000000006FF000-memory.dmp

                            Filesize

                            3.0MB

                            Download

                          • memory/432-1-0x00000000025F0000-0x00000000036AA000-memory.dmp

                            Filesize

                            16.7MB

                            Download

                          • memory/432-3-0x00000000025F0000-0x00000000036AA000-memory.dmp

                            Filesize

                            16.7MB

                            Download

                          • memory/432-6-0x00000000025F0000-0x00000000036AA000-memory.dmp

                            Filesize

                            16.7MB

                            Download

                          • memory/432-12-0x00000000025F0000-0x00000000036AA000-memory.dmp

                            Filesize

                            16.7MB

                            Download

                          • memory/432-16-0x00000000025F0000-0x00000000036AA000-memory.dmp

                            Filesize

                            16.7MB

                            Download

                          • memory/432-20-0x0000000000400000-0x00000000006FF000-memory.dmp

                            Filesize

                            3.0MB

                            Download

                          • memory/432-5-0x00000000025F0000-0x00000000036AA000-memory.dmp

                            Filesize

                            16.7MB

                            Download

                          • memory/432-4-0x00000000025F0000-0x00000000036AA000-memory.dmp

                            Filesize

                            16.7MB

                            Download