Analysis

  • max time kernel
    119s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 16:17

General

  • Target

    2c91503c399c50ef83b1f77512584068fcc961d06681ca63c609d980d3d5a91fN.exe

  • Size

    5.6MB

  • MD5

    25f2d4f1e7fda22553bfc6a8f639ae50

  • SHA1

    0b67cf3950d0baa329d45cf359d5eb4fa3acc657

  • SHA256

    2c91503c399c50ef83b1f77512584068fcc961d06681ca63c609d980d3d5a91f

  • SHA512

    0ff0ab94ec401cd980c997dc40da50a4b16051989d7427a47f15dc1c2cc0959fdb81ff083272bc544d34909bfedfbd90ef9928854ee0e8e6ee2f9e724bc22034

  • SSDEEP

    98304:KggSZTFznDHwE8oohoIgNgx+r3P4jw4fn9E32RW0O2gT/gQGhP3oFL6p4kvDZ/Hn:DgSZJznDHMo+JgNgx+r3P+e32BO2gjgj

Malware Config

Signatures

  • Xmrig family
  • xmrig

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

  • XMRig Miner payload 8 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
  • Stops running service(s) 4 TTPs
  • Deletes itself 1 IoCs
  • 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 13 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c91503c399c50ef83b1f77512584068fcc961d06681ca63c609d980d3d5a91fN.exe
    "C:\Users\Admin\AppData\Local\Temp\2c91503c399c50ef83b1f77512584068fcc961d06681ca63c609d980d3d5a91fN.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2268
    • 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:1840
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2616
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop UsoSvc
      2⤵
      • Launches sc.exe
      PID:2852
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop WaaSMedicSvc
      2⤵
      • Launches sc.exe
      PID:2328
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop wuauserv
      2⤵
      • Launches sc.exe
      PID:2636
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop bits
      2⤵
      • Launches sc.exe
      PID:2512
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop dosvc
      2⤵
      • Launches sc.exe
      PID:2724
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2604
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe delete "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:2680
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe create "JVNIRHNX" binpath= "C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe" start= "auto"
      2⤵
      • Launches sc.exe
      PID:1996
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe stop eventlog
      2⤵
      • Launches sc.exe
      PID:1852
    • C:\Windows\system32\sc.exe
      C:\Windows\system32\sc.exe start "JVNIRHNX"
      2⤵
      • Launches sc.exe
      PID:1384
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\2c91503c399c50ef83b1f77512584068fcc961d06681ca63c609d980d3d5a91fN.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:800
    • C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
      C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1028
      • 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:1652
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
          • Drops file in Windows directory
          PID:1644
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:1932
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:1684
      • 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:1668
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:2916
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:1044
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:3064
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2260
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2444
      • C:\Windows\system32\conhost.exe
        C:\Windows\system32\conhost.exe
        2⤵
          PID:1772
        • C:\Windows\system32\nslookup.exe
          nslookup.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2592

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe

        Filesize

        5.6MB

        MD5

        25f2d4f1e7fda22553bfc6a8f639ae50

        SHA1

        0b67cf3950d0baa329d45cf359d5eb4fa3acc657

        SHA256

        2c91503c399c50ef83b1f77512584068fcc961d06681ca63c609d980d3d5a91f

        SHA512

        0ff0ab94ec401cd980c997dc40da50a4b16051989d7427a47f15dc1c2cc0959fdb81ff083272bc544d34909bfedfbd90ef9928854ee0e8e6ee2f9e724bc22034

      • memory/1652-16-0x0000000000990000-0x0000000000998000-memory.dmp

        Filesize

        32KB

      • memory/1652-15-0x0000000019F80000-0x000000001A262000-memory.dmp

        Filesize

        2.9MB

      • memory/1772-19-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1772-17-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1772-18-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1772-28-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1772-20-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1772-21-0x0000000140000000-0x000000014000E000-memory.dmp

        Filesize

        56KB

      • memory/1840-9-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

        Filesize

        9.6MB

      • memory/1840-8-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

        Filesize

        9.6MB

      • memory/1840-10-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

        Filesize

        9.6MB

      • memory/1840-7-0x000007FEF59D0000-0x000007FEF636D000-memory.dmp

        Filesize

        9.6MB

      • memory/1840-5-0x000000001B560000-0x000000001B842000-memory.dmp

        Filesize

        2.9MB

      • memory/1840-6-0x0000000001E40000-0x0000000001E48000-memory.dmp

        Filesize

        32KB

      • memory/1840-4-0x000007FEF5C8E000-0x000007FEF5C8F000-memory.dmp

        Filesize

        4KB

      • memory/2592-24-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-36-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-35-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-34-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-37-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-27-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-26-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-32-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-38-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-25-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-30-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-31-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB

      • memory/2592-33-0x00000000000C0000-0x00000000000E0000-memory.dmp

        Filesize

        128KB

      • memory/2592-39-0x0000000140000000-0x0000000140848000-memory.dmp

        Filesize

        8.3MB