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07/09/2024, 23:11 UTC

240907-26b8astakd 10

07/09/2024, 23:06 UTC

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04/09/2024, 06:27 UTC

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03/09/2024, 22:52 UTC

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03/09/2024, 08:30 UTC

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Analysis

  • max time kernel
    297s
  • max time network
    261s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/09/2024, 22:52 UTC

General

  • Target

    xmrig-6.22.0-gcc-win64 plus/1Kryptex-ETC-Rigel.bat

  • Size

    92B

  • MD5

    634f74bb86bbee797fb3fd78bb981c69

  • SHA1

    dacc178885db2349ad47b9e8d2fb6140dbb7ca61

  • SHA256

    4c42750d70f4097dd4de26367a7ee25704bca438e82476c4e9481246d067b632

  • SHA512

    07d76ed885fefa28765cfe3b6c42213fb43c6ec709a82aa7245c8896fe4e79b7d672fcf3043a658ed034e27449e9921f5120a911cb0a0ce8667d819e6d2720ef

Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\xmrig-6.22.0-gcc-win64 plus\1Kryptex-ETC-Rigel.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3160
    • C:\Users\Admin\AppData\Local\Temp\xmrig-6.22.0-gcc-win64 plus\xmrig.exe
      xmrig --coin XMR --url "xmr.kryptex.network:7777" --user "scallorphee@gmail.com/WORKER_NAME"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:992

Network

  • flag-us
    DNS
    xmr.kryptex.network
    xmrig.exe
    Remote address:
    8.8.8.8:53
    Request
    xmr.kryptex.network
    IN A
    Response
    xmr.kryptex.network
    IN A
    157.90.32.66
  • flag-us
    DNS
    66.32.90.157.in-addr.arpa
    xmrig.exe
    Remote address:
    8.8.8.8:53
    Request
    66.32.90.157.in-addr.arpa
    IN PTR
    Response
    66.32.90.157.in-addr.arpa
    IN PTR
    static663290157clients your-serverde
  • flag-us
    DNS
    8.8.8.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    8.8.8.8.in-addr.arpa
    IN PTR
    Response
    8.8.8.8.in-addr.arpa
    IN PTR
    dnsgoogle
  • flag-us
    DNS
    nexusrules.officeapps.live.com
    Remote address:
    8.8.8.8:53
    Request
    nexusrules.officeapps.live.com
    IN A
    Response
    nexusrules.officeapps.live.com
    IN CNAME
    prod.nexusrules.live.com.akadns.net
    prod.nexusrules.live.com.akadns.net
    IN A
    52.111.229.19
  • 157.90.32.66:7777
    xmr.kryptex.network
    xmrig.exe
    1.1kB
    3.1kB
    13
    12
  • 8.8.8.8:53
    xmr.kryptex.network
    dns
    xmrig.exe
    136 B
    208 B
    2
    2

    DNS Request

    xmr.kryptex.network

    DNS Response

    157.90.32.66

    DNS Request

    66.32.90.157.in-addr.arpa

  • 8.8.8.8:53
    8.8.8.8.in-addr.arpa
    dns
    142 B
    231 B
    2
    2

    DNS Request

    8.8.8.8.in-addr.arpa

    DNS Request

    nexusrules.officeapps.live.com

    DNS Response

    52.111.229.19

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/992-0-0x000001ED113D0000-0x000001ED113F0000-memory.dmp

    Filesize

    128KB

  • memory/992-1-0x000001ED12BD0000-0x000001ED12BF0000-memory.dmp

    Filesize

    128KB

  • memory/992-2-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-3-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-4-0x000001ED12C10000-0x000001ED12C30000-memory.dmp

    Filesize

    128KB

  • memory/992-5-0x000001ED12BF0000-0x000001ED12C10000-memory.dmp

    Filesize

    128KB

  • memory/992-8-0x000001ED12BF0000-0x000001ED12C10000-memory.dmp

    Filesize

    128KB

  • memory/992-7-0x000001ED12C10000-0x000001ED12C30000-memory.dmp

    Filesize

    128KB

  • memory/992-6-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-9-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-10-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-11-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-12-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-13-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-14-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-15-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-16-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-17-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-18-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-19-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-20-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-21-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-22-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-23-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-24-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-25-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-26-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-27-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-28-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-29-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-30-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-31-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-32-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-33-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

  • memory/992-34-0x00007FF7B15C0000-0x00007FF7B21F2000-memory.dmp

    Filesize

    12.2MB

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