Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 19:29

General

  • Target

    tmp.exe

  • Size

    2.5MB

  • MD5

    ffada57f998ed6a72b6ba2f072d2690a

  • SHA1

    6857b5f0c40a1cdb0411eb34aa9fe5029bcdb84f

  • SHA256

    677f393462e24fb6dba1a47b39e674f485450f91deee6076ccbad9fd5e05bd12

  • SHA512

    1de77f83a89935bb3fc3772d5190c3827d76a998785d451e2c0d11a0061cfd28f1b96eccb41b012c76ddda2021e3333a0a647489ae3c6dac10cfb8302abdf33f

  • SSDEEP

    49152:UjBP3/qGrdNJ8VZFhY++Yk/4aLq8wH7mm6qJsSRRjyl:aBPvfrAZF28k/RLbwH7mvcRRjy

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 9 IoCs
  • Creates new service(s) 1 TTPs
  • Stops running service(s) 3 TTPs
  • Executes dropped EXE 1 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
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 14 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 19 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3464
    • 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⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3824
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:1856
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:3684
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:5012
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:4008
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:2760
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:4544
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4252
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2952
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4676
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3968
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "WSNKISKT"
        2⤵
        • Launches sc.exe
        PID:2356
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "WSNKISKT" binpath= "C:\ProgramData\wikombernizc\reakuqnanrkn.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:1924
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:1564
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "WSNKISKT"
        2⤵
        • Launches sc.exe
        PID:3036
    • C:\ProgramData\wikombernizc\reakuqnanrkn.exe
      C:\ProgramData\wikombernizc\reakuqnanrkn.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:376
      • 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⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1184
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4388
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:4312
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:216
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:4168
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:4240
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:544
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:4004
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2492
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4032
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2948
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3108
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:1680
          • C:\Windows\explorer.exe
            explorer.exe
            2⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1452

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\wikombernizc\reakuqnanrkn.exe

          Filesize

          2.5MB

          MD5

          ffada57f998ed6a72b6ba2f072d2690a

          SHA1

          6857b5f0c40a1cdb0411eb34aa9fe5029bcdb84f

          SHA256

          677f393462e24fb6dba1a47b39e674f485450f91deee6076ccbad9fd5e05bd12

          SHA512

          1de77f83a89935bb3fc3772d5190c3827d76a998785d451e2c0d11a0061cfd28f1b96eccb41b012c76ddda2021e3333a0a647489ae3c6dac10cfb8302abdf33f

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tuhbo2j2.orm.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1184-54-0x00007FF8477E0000-0x00007FF8482A1000-memory.dmp

          Filesize

          10.8MB

        • memory/1184-48-0x000001FB79AE0000-0x000001FB79AE8000-memory.dmp

          Filesize

          32KB

        • memory/1184-49-0x000001FB79B10000-0x000001FB79B16000-memory.dmp

          Filesize

          24KB

        • memory/1184-51-0x000001FB78BB0000-0x000001FB78BC0000-memory.dmp

          Filesize

          64KB

        • memory/1184-50-0x000001FB79B20000-0x000001FB79B2A000-memory.dmp

          Filesize

          40KB

        • memory/1184-19-0x00007FF8477E0000-0x00007FF8482A1000-memory.dmp

          Filesize

          10.8MB

        • memory/1184-20-0x000001FB78BB0000-0x000001FB78BC0000-memory.dmp

          Filesize

          64KB

        • memory/1184-21-0x000001FB78BB0000-0x000001FB78BC0000-memory.dmp

          Filesize

          64KB

        • memory/1184-40-0x000001FB798B0000-0x000001FB798CC000-memory.dmp

          Filesize

          112KB

        • memory/1184-41-0x00007FF4F3B70000-0x00007FF4F3B80000-memory.dmp

          Filesize

          64KB

        • memory/1184-42-0x000001FB78BB0000-0x000001FB78BC0000-memory.dmp

          Filesize

          64KB

        • memory/1184-43-0x000001FB798D0000-0x000001FB79985000-memory.dmp

          Filesize

          724KB

        • memory/1184-44-0x000001FB78BA0000-0x000001FB78BAA000-memory.dmp

          Filesize

          40KB

        • memory/1184-45-0x000001FB79AF0000-0x000001FB79B0C000-memory.dmp

          Filesize

          112KB

        • memory/1184-46-0x000001FB79AD0000-0x000001FB79ADA000-memory.dmp

          Filesize

          40KB

        • memory/1184-47-0x000001FB79B30000-0x000001FB79B4A000-memory.dmp

          Filesize

          104KB

        • memory/1452-79-0x00000000017C0000-0x00000000017E0000-memory.dmp

          Filesize

          128KB

        • memory/1452-74-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-80-0x00000000017C0000-0x00000000017E0000-memory.dmp

          Filesize

          128KB

        • memory/1452-78-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-77-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-76-0x00000000017A0000-0x00000000017C0000-memory.dmp

          Filesize

          128KB

        • memory/1452-75-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-73-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-72-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-71-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-70-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1452-63-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-64-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-65-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-66-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-67-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-68-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1452-69-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/1680-62-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1680-59-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1680-58-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1680-55-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1680-56-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1680-57-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/3824-11-0x000001912D930000-0x000001912D940000-memory.dmp

          Filesize

          64KB

        • memory/3824-12-0x000001912D930000-0x000001912D940000-memory.dmp

          Filesize

          64KB

        • memory/3824-15-0x00007FF8477E0000-0x00007FF8482A1000-memory.dmp

          Filesize

          10.8MB

        • memory/3824-2-0x000001912D900000-0x000001912D922000-memory.dmp

          Filesize

          136KB

        • memory/3824-10-0x00007FF8477E0000-0x00007FF8482A1000-memory.dmp

          Filesize

          10.8MB