Analysis

  • max time kernel
    156s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2023 17:38

General

  • Target

    NEAS.99bba4b98096259772dc0c12f0ebb3b3ff275f4babf75caa380e94e3dbed90c9exe_JC.exe

  • Size

    501KB

  • MD5

    b1f7d94305e0f729964239a69bffe320

  • SHA1

    2fb02ffda0ce1fc5d719b9b79f2cdc2a0ead863a

  • SHA256

    99bba4b98096259772dc0c12f0ebb3b3ff275f4babf75caa380e94e3dbed90c9

  • SHA512

    3d6089b7b0f430020bb3a21e21aedbff81c28e8e97bb44c8b0fd6af1ea4bf6356a34b9bdf56bcdf51533dab48fa6446b825e1dbaa8ed38b380222f81bca03a45

  • SSDEEP

    12288:VFTTWyVmRw8r6+y3QqBZAnYanJ252Wjx1ZP2BJ4iP:VFxVn8m+y3QqBZ6RK11Zw4q

Malware Config

Signatures

  • LoaderBot

    LoaderBot is a loader written in .NET downloading and executing miners.

  • xmrig

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • LoaderBot executable 1 IoCs
  • XMRig Miner payload 5 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.99bba4b98096259772dc0c12f0ebb3b3ff275f4babf75caa380e94e3dbed90c9exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.99bba4b98096259772dc0c12f0ebb3b3ff275f4babf75caa380e94e3dbed90c9exe_JC.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:672
    • C:\Users\Admin\AppData\Local\Temp\ipdojiflnsamwtvcimu.exe
      "C:\Users\Admin\AppData\Local\Temp\ipdojiflnsamwtvcimu.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1136
      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 42K92y1uNN7PxEp57QZPiLQogD8pGGRjWQnqEemCTsXMSnqrhagsVujaeBc38hqrX88YL8Wh9pNQHRzTN7GBw8SqQkGBwg7 -p x -k -v=0 --donate-level=1 -t 4
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1412
      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 42K92y1uNN7PxEp57QZPiLQogD8pGGRjWQnqEemCTsXMSnqrhagsVujaeBc38hqrX88YL8Wh9pNQHRzTN7GBw8SqQkGBwg7 -p x -k -v=0 --donate-level=1 -t 4
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\ipdojiflnsamwtvcimu.exe

    Filesize

    3.4MB

    MD5

    65af1033a01110ec64468bacbe3a7607

    SHA1

    9d1f8c17ce63803245c02a0e679ccde3fafcd48a

    SHA256

    2531116b30534eb043a27f83fb4abdec24d212cf58673c117850256510f21264

    SHA512

    9cd3932957dbf748793b9529e1f051532503c4cdef81f67cf86679b8415b92f90fbcae6f2473fb6c125de570dca0e501d11fca37ce4a9b8f554c8e22db322e54

  • C:\Users\Admin\AppData\Local\Temp\ipdojiflnsamwtvcimu.exe

    Filesize

    3.4MB

    MD5

    65af1033a01110ec64468bacbe3a7607

    SHA1

    9d1f8c17ce63803245c02a0e679ccde3fafcd48a

    SHA256

    2531116b30534eb043a27f83fb4abdec24d212cf58673c117850256510f21264

    SHA512

    9cd3932957dbf748793b9529e1f051532503c4cdef81f67cf86679b8415b92f90fbcae6f2473fb6c125de570dca0e501d11fca37ce4a9b8f554c8e22db322e54

  • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

    Filesize

    3.9MB

    MD5

    02569a7a91a71133d4a1023bf32aa6f4

    SHA1

    0f16bcb3f3f085d3d3be912195558e9f9680d574

    SHA256

    8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

    SHA512

    534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

  • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

    Filesize

    3.9MB

    MD5

    02569a7a91a71133d4a1023bf32aa6f4

    SHA1

    0f16bcb3f3f085d3d3be912195558e9f9680d574

    SHA256

    8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

    SHA512

    534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

  • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

    Filesize

    3.9MB

    MD5

    02569a7a91a71133d4a1023bf32aa6f4

    SHA1

    0f16bcb3f3f085d3d3be912195558e9f9680d574

    SHA256

    8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

    SHA512

    534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

  • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

    Filesize

    3.9MB

    MD5

    02569a7a91a71133d4a1023bf32aa6f4

    SHA1

    0f16bcb3f3f085d3d3be912195558e9f9680d574

    SHA256

    8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

    SHA512

    534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

  • memory/1136-33-0x0000000006000000-0x0000000006066000-memory.dmp

    Filesize

    408KB

  • memory/1136-22-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-10-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-11-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-12-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-13-0x00000000775C4000-0x00000000775C6000-memory.dmp

    Filesize

    8KB

  • memory/1136-16-0x00000000005F0000-0x0000000001024000-memory.dmp

    Filesize

    10.2MB

  • memory/1136-18-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-19-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-20-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-21-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-4-0x00000000005F0000-0x0000000001024000-memory.dmp

    Filesize

    10.2MB

  • memory/1136-23-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-24-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-25-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-27-0x00000000005F0000-0x0000000001024000-memory.dmp

    Filesize

    10.2MB

  • memory/1136-8-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-7-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-6-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-9-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1136-5-0x00000000768F0000-0x00000000769E0000-memory.dmp

    Filesize

    960KB

  • memory/1412-43-0x0000000140000000-0x0000000140B75000-memory.dmp

    Filesize

    11.5MB

  • memory/1412-46-0x0000000140000000-0x0000000140B75000-memory.dmp

    Filesize

    11.5MB

  • memory/1412-45-0x0000000001FB0000-0x0000000001FC4000-memory.dmp

    Filesize

    80KB

  • memory/4756-49-0x0000000001FE0000-0x0000000002000000-memory.dmp

    Filesize

    128KB

  • memory/4756-50-0x0000000140000000-0x0000000140B75000-memory.dmp

    Filesize

    11.5MB

  • memory/4756-51-0x0000000140000000-0x0000000140B75000-memory.dmp

    Filesize

    11.5MB

  • memory/4756-52-0x0000000140000000-0x0000000140B75000-memory.dmp

    Filesize

    11.5MB

  • memory/4756-53-0x0000000002000000-0x0000000002020000-memory.dmp

    Filesize

    128KB

  • memory/4756-54-0x0000000002020000-0x0000000002040000-memory.dmp

    Filesize

    128KB

  • memory/4756-55-0x0000000002040000-0x0000000002060000-memory.dmp

    Filesize

    128KB

  • memory/4756-56-0x0000000002060000-0x0000000002080000-memory.dmp

    Filesize

    128KB

  • memory/4756-57-0x0000000140000000-0x0000000140B75000-memory.dmp

    Filesize

    11.5MB

  • memory/4756-58-0x0000000002000000-0x0000000002020000-memory.dmp

    Filesize

    128KB

  • memory/4756-59-0x0000000002020000-0x0000000002040000-memory.dmp

    Filesize

    128KB

  • memory/4756-60-0x0000000002040000-0x0000000002060000-memory.dmp

    Filesize

    128KB

  • memory/4756-61-0x0000000002060000-0x0000000002080000-memory.dmp

    Filesize

    128KB

  • memory/4756-62-0x0000000140000000-0x0000000140B75000-memory.dmp

    Filesize

    11.5MB