Analysis

  • max time kernel
    299s
  • max time network
    304s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26-08-2024 05:01

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 4 IoCs
  • Loads dropped DLL 4 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 3 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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe
    "C:\Users\Admin\AppData\Local\Temp\2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
      "C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2196
      • 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:2900
        • 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
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2432
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1860
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            5⤵
            • Drops file in Windows directory
            PID:2908
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          4⤵
          • Launches sc.exe
          PID:1876
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          4⤵
          • Launches sc.exe
          PID:2828
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          4⤵
          • Launches sc.exe
          PID:2952
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          4⤵
          • Launches sc.exe
          PID:2948
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          4⤵
          • Launches sc.exe
          PID:808
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2020
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2092
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2004
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1976
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe delete "QKJNEQWA"
          4⤵
          • Launches sc.exe
          PID:2032
        • 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:2340
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop eventlog
          4⤵
          • Launches sc.exe
          PID:2096
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start "QKJNEQWA"
          4⤵
          • Launches sc.exe
          PID:2116
  • 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:2108
    • 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:2264
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:1100
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:852
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:1544
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:1872
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:108
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:2060
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:860
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1268
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:900
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:932
    • C:\Windows\system32\conhost.exe
      C:\Windows\system32\conhost.exe
      2⤵
        PID:1464
      • 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:1260

    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

    • memory/1260-60-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-54-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-48-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-47-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-57-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-58-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-46-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-59-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-61-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-49-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-55-0x0000000000560000-0x0000000000580000-memory.dmp

      Filesize

      128KB

    • memory/1260-56-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-62-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-52-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1260-53-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/1464-41-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1464-40-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1464-39-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1464-42-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1464-50-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/1464-44-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2264-37-0x0000000019F60000-0x000000001A242000-memory.dmp

      Filesize

      2.9MB

    • memory/2264-38-0x0000000000A20000-0x0000000000A28000-memory.dmp

      Filesize

      32KB

    • memory/2432-31-0x0000000001CD0000-0x0000000001CD8000-memory.dmp

      Filesize

      32KB

    • memory/2432-30-0x000000001B590000-0x000000001B872000-memory.dmp

      Filesize

      2.9MB

    • memory/2688-1-0x0000000000380000-0x0000000000381000-memory.dmp

      Filesize

      4KB