Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25-08-2024 20:17

General

  • Target

    2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe

  • Size

    416KB

  • MD5

    f5d7b79ee6b6da6b50e536030bcc3b59

  • SHA1

    751b555a8eede96d55395290f60adc43b28ba5e2

  • SHA256

    2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459

  • SHA512

    532b17cd2a6ac5172b1ddba1e63edd51ab53a4527204415241e3a78e8ffeb9728071bde5ae1eefabefd2627f00963f8a5458668cd7b8df041c8683252ff56b46

  • SSDEEP

    12288:ISqMakU3v+GYLWIjD9dSbvBG5u2uQjdQco:jq53v+G4Wwub8Ljaco

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 9 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Creates new service(s) 2 TTPs
  • Downloads MZ/PE file
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 14 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 14 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 50 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe
    "C:\Users\Admin\AppData\Local\Temp\2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
      "C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4108
      • C:\Users\Admin\AppData\Local\Temp\1000004001\Office2024.exe
        "C:\Users\Admin\AppData\Local\Temp\1000004001\Office2024.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2548
        • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4048
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2608
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            5⤵
              PID:1032
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop UsoSvc
            4⤵
            • Launches sc.exe
            PID:3080
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop WaaSMedicSvc
            4⤵
            • Launches sc.exe
            PID:356
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop wuauserv
            4⤵
            • Launches sc.exe
            PID:1684
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop bits
            4⤵
            • Launches sc.exe
            PID:2004
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop dosvc
            4⤵
            • Launches sc.exe
            PID:4520
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1220
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:2664
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1060
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:3328
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe delete "QKJNEQWA"
            4⤵
            • Launches sc.exe
            PID:952
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe create "QKJNEQWA" binpath= "C:\ProgramData\hsbpaqlrqhmp\rzyyvjydedax.exe" start= "auto"
            4⤵
            • Launches sc.exe
            PID:3720
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop eventlog
            4⤵
            • Launches sc.exe
            PID:4624
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe start "QKJNEQWA"
            4⤵
            • Launches sc.exe
            PID:3032
    • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
      C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
      1⤵
      • Executes dropped EXE
      PID:4684
    • C:\ProgramData\hsbpaqlrqhmp\rzyyvjydedax.exe
      C:\ProgramData\hsbpaqlrqhmp\rzyyvjydedax.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:440
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1716
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5104
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:460
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:2724
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:4568
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:4924
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:1576
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:3928
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3240
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3736
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2432
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4372
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:1428
          • C:\Windows\system32\cmd.exe
            cmd.exe
            2⤵
            • Blocklisted process makes network request
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1864
        • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
          C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
          1⤵
          • Executes dropped EXE
          PID:1512
        • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
          C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
          1⤵
          • Executes dropped EXE
          PID:4808

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe

          Filesize

          416KB

          MD5

          f5d7b79ee6b6da6b50e536030bcc3b59

          SHA1

          751b555a8eede96d55395290f60adc43b28ba5e2

          SHA256

          2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459

          SHA512

          532b17cd2a6ac5172b1ddba1e63edd51ab53a4527204415241e3a78e8ffeb9728071bde5ae1eefabefd2627f00963f8a5458668cd7b8df041c8683252ff56b46

        • C:\Users\Admin\AppData\Local\Temp\1000004001\Office2024.exe

          Filesize

          2.7MB

          MD5

          df92abd264b50c9f069246a6e65453f0

          SHA1

          f5025a44910ceddf26fb3fffb5da28ea93ee1a20

          SHA256

          bc7d010eb971dbc9cbeedc543f93bb1b6924d57597e213dbe10c2c1efd8d0296

          SHA512

          a3f48831efa65cea6a2cf313f698b59d84119023196e11b1266d937a5b4c05aa4aab67c6d40450bef5c9245b46316980906fa73196d892f2880abc2b1b863455

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zluhypsb.exd.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1428-72-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1428-71-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1428-75-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1428-74-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1428-73-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1428-78-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1716-64-0x000002ADF9A70000-0x000002ADF9A7A000-memory.dmp

          Filesize

          40KB

        • memory/1716-66-0x000002ADF9A80000-0x000002ADF9A88000-memory.dmp

          Filesize

          32KB

        • memory/1716-67-0x000002ADF9BB0000-0x000002ADF9BB6000-memory.dmp

          Filesize

          24KB

        • memory/1716-68-0x000002ADF9BC0000-0x000002ADF9BCA000-memory.dmp

          Filesize

          40KB

        • memory/1716-65-0x000002ADF9BD0000-0x000002ADF9BEA000-memory.dmp

          Filesize

          104KB

        • memory/1716-63-0x000002ADF9A90000-0x000002ADF9AAC000-memory.dmp

          Filesize

          112KB

        • memory/1716-62-0x000002ADF9780000-0x000002ADF978A000-memory.dmp

          Filesize

          40KB

        • memory/1716-61-0x000002ADF99B0000-0x000002ADF9A63000-memory.dmp

          Filesize

          716KB

        • memory/1716-60-0x000002ADF9990000-0x000002ADF99AC000-memory.dmp

          Filesize

          112KB

        • memory/1864-85-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-82-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-88-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-87-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-83-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-81-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-80-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-90-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-91-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-89-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-84-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-86-0x0000023945FD0000-0x0000023945FF0000-memory.dmp

          Filesize

          128KB

        • memory/1864-79-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-93-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1864-92-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4048-30-0x00000158C9A90000-0x00000158C9AB2000-memory.dmp

          Filesize

          136KB