Resubmissions

17/02/2024, 16:49

240217-vbza1sgg7z 10

17/02/2024, 05:43

240217-gevv4scc92 10

Analysis

  • max time kernel
    69s
  • max time network
    70s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/02/2024, 05:43

General

  • Target

    Download.exe

  • Size

    2.6MB

  • MD5

    4d5fec6d70a768a868ebc7c0099c7680

  • SHA1

    aa3b2bb6f9fab977a5fa7dddaf8ecbcd6fb0b427

  • SHA256

    c142a44d4735e0eb7de46869b1866913a5b8749c982e349050514018db6eee08

  • SHA512

    f22b3681fac8eea1da5862617ed702a8a75761db5a3abd9abfe4472b244794357fa792cbc0a6eb29fc838134063acc770009b1e0e6f462603f997f4030b9ecc8

  • SSDEEP

    49152:YGm+0Hvz4snZ82IPqJbYi80baJSNhcDGlCA9cYs:Z4vMsDIPqJbZ1baomGlCTYs

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
  • Drops file in Drivers directory 2 IoCs
  • 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.

  • 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 21 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Download.exe
    "C:\Users\Admin\AppData\Local\Temp\Download.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3588
    • 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:3024
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:444
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:3444
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:872
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:1352
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:5008
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:5064
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "MicrosoftEdge32"
        2⤵
        • Launches sc.exe
        PID:3012
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:648
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4476
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4616
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3824
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "MicrosoftEdge32" binpath= "C:\ProgramData\rvnlpsddoleq\opjcaokdxyhn.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:3044
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:3300
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "MicrosoftEdge32"
        2⤵
        • Launches sc.exe
        PID:4860
    • C:\ProgramData\rvnlpsddoleq\opjcaokdxyhn.exe
      C:\ProgramData\rvnlpsddoleq\opjcaokdxyhn.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 AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2352
      • 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:2216
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:1944
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:4804
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:1764
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:1792
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:3220
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:4696
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3940
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4228
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1228
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4892
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:1028
          • C:\Windows\explorer.exe
            explorer.exe
            2⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3528

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\rvnlpsddoleq\opjcaokdxyhn.exe

          Filesize

          2.6MB

          MD5

          4d5fec6d70a768a868ebc7c0099c7680

          SHA1

          aa3b2bb6f9fab977a5fa7dddaf8ecbcd6fb0b427

          SHA256

          c142a44d4735e0eb7de46869b1866913a5b8749c982e349050514018db6eee08

          SHA512

          f22b3681fac8eea1da5862617ed702a8a75761db5a3abd9abfe4472b244794357fa792cbc0a6eb29fc838134063acc770009b1e0e6f462603f997f4030b9ecc8

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_13ricguy.y1x.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          Filesize

          3KB

          MD5

          33fe12041417b0ad19dda0511495ab8a

          SHA1

          4030b1220d72e24a50930157442ba2c7ffd273fc

          SHA256

          21ee5018f04b61cf0d5b85c1b953615576c205760847622248d3dfec3e996a3b

          SHA512

          732ef6ac91231d464830cfcdbef1cf08dedf88824928431bae87db82dee43608990af2fb2a23fa4708ab4e2374178e7ee0ecc95105941bcbf2ccc986fbd1ae3a

        • memory/1028-65-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1028-62-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1028-61-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1028-60-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1028-59-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1028-58-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2216-55-0x00007FF8CA170000-0x00007FF8CAC31000-memory.dmp

          Filesize

          10.8MB

        • memory/2216-42-0x0000022679FF0000-0x000002267A00C000-memory.dmp

          Filesize

          112KB

        • memory/2216-32-0x00007FF4160C0000-0x00007FF4160D0000-memory.dmp

          Filesize

          64KB

        • memory/2216-44-0x000002267A010000-0x000002267A0C5000-memory.dmp

          Filesize

          724KB

        • memory/2216-43-0x0000022677A60000-0x0000022677A70000-memory.dmp

          Filesize

          64KB

        • memory/2216-45-0x0000022679DA0000-0x0000022679DAA000-memory.dmp

          Filesize

          40KB

        • memory/2216-46-0x000002267A230000-0x000002267A24C000-memory.dmp

          Filesize

          112KB

        • memory/2216-47-0x000002267A210000-0x000002267A21A000-memory.dmp

          Filesize

          40KB

        • memory/2216-48-0x000002267A270000-0x000002267A28A000-memory.dmp

          Filesize

          104KB

        • memory/2216-49-0x000002267A220000-0x000002267A228000-memory.dmp

          Filesize

          32KB

        • memory/2216-50-0x000002267A250000-0x000002267A256000-memory.dmp

          Filesize

          24KB

        • memory/2216-51-0x000002267A260000-0x000002267A26A000-memory.dmp

          Filesize

          40KB

        • memory/2216-52-0x0000022677A60000-0x0000022677A70000-memory.dmp

          Filesize

          64KB

        • memory/2216-22-0x0000022677A60000-0x0000022677A70000-memory.dmp

          Filesize

          64KB

        • memory/2216-21-0x0000022677A60000-0x0000022677A70000-memory.dmp

          Filesize

          64KB

        • memory/2216-20-0x00007FF8CA170000-0x00007FF8CAC31000-memory.dmp

          Filesize

          10.8MB

        • memory/3024-10-0x00007FF8CA0C0000-0x00007FF8CAB81000-memory.dmp

          Filesize

          10.8MB

        • memory/3024-11-0x000001D4B09D0000-0x000001D4B09E0000-memory.dmp

          Filesize

          64KB

        • memory/3024-12-0x000001D4B09D0000-0x000001D4B09E0000-memory.dmp

          Filesize

          64KB

        • memory/3024-15-0x00007FF8CA0C0000-0x00007FF8CAB81000-memory.dmp

          Filesize

          10.8MB

        • memory/3024-5-0x000001D4B0A80000-0x000001D4B0AA2000-memory.dmp

          Filesize

          136KB

        • memory/3528-72-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-75-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-67-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-69-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-70-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-71-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-66-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-73-0x0000000001300000-0x0000000001320000-memory.dmp

          Filesize

          128KB

        • memory/3528-74-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-68-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-76-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-77-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-78-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-79-0x00000000021A0000-0x00000000021C0000-memory.dmp

          Filesize

          128KB

        • memory/3528-80-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-81-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3528-82-0x00000000021C0000-0x00000000021E0000-memory.dmp

          Filesize

          128KB