Analysis

  • max time kernel
    71s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2023 14:27

General

  • Target

    e7bf9f0c2c1977ddd8e139c13c27be0d.exe

  • Size

    2.7MB

  • MD5

    e7bf9f0c2c1977ddd8e139c13c27be0d

  • SHA1

    e91aff3d9a8c7cef0e9543350864971e4ad93f82

  • SHA256

    a615a2c647bce3b67f43c818a7fd972a653a605efce83b7eb6f38fb374ec8eba

  • SHA512

    d9961824b178944aec2411c1bb29a5ef4b487ce0c251fe381e2841c6abe00f29ecf895ab1baf93e49442af07a14acdcf9d882519d39beb5c4d4902db2db2560f

  • SSDEEP

    49152:552sxwTr/VsoJteujcnqNwelN/z52r7zj9n0cqv/3SYd:55jxa3JteujcncNNQzj9hqXCY

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.

  • LoaderBot executable 1 IoCs
  • XMRig Miner payload 13 IoCs
  • 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 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7bf9f0c2c1977ddd8e139c13c27be0d.exe
    "C:\Users\Admin\AppData\Local\Temp\e7bf9f0c2c1977ddd8e139c13c27be0d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\AppData\Local\Temp\e7bf9f0c2c1977ddd8e139c13c27be0d.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4348
      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 427X8guX5JRRGk4v7gRcwK85MwpjCAN7djGqBAbCETdqc5biVY27pePT3Ctx43QMLAdKAaRDF4KW4HiozmdQ7EHrNczdnfM -p x -k -v=0 --donate-level=1 -t 2
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3224
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 3224 -s 764
          4⤵
          • Program crash
          PID:3940
      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 427X8guX5JRRGk4v7gRcwK85MwpjCAN7djGqBAbCETdqc5biVY27pePT3Ctx43QMLAdKAaRDF4KW4HiozmdQ7EHrNczdnfM -p x -k -v=0 --donate-level=1 -t 2
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1584
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 476 -p 3224 -ip 3224
    1⤵
      PID:4944

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e7bf9f0c2c1977ddd8e139c13c27be0d.exe.log

      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    • 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/540-138-0x0000000005520000-0x000000000552A000-memory.dmp

      Filesize

      40KB

    • memory/540-139-0x0000000005830000-0x0000000005886000-memory.dmp

      Filesize

      344KB

    • memory/540-140-0x0000000005820000-0x0000000005830000-memory.dmp

      Filesize

      64KB

    • memory/540-133-0x00000000008C0000-0x0000000000B7C000-memory.dmp

      Filesize

      2.7MB

    • memory/540-137-0x0000000005820000-0x0000000005830000-memory.dmp

      Filesize

      64KB

    • memory/540-134-0x0000000005570000-0x000000000560C000-memory.dmp

      Filesize

      624KB

    • memory/540-136-0x0000000005610000-0x00000000056A2000-memory.dmp

      Filesize

      584KB

    • memory/540-135-0x0000000005BC0000-0x0000000006164000-memory.dmp

      Filesize

      5.6MB

    • memory/1584-163-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-166-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-179-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-176-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-175-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-180-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-177-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-164-0x0000000001EA0000-0x0000000001EC0000-memory.dmp

      Filesize

      128KB

    • memory/1584-178-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-174-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-167-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-168-0x0000000001EC0000-0x0000000001EE0000-memory.dmp

      Filesize

      128KB

    • memory/1584-169-0x0000000001EE0000-0x0000000001F00000-memory.dmp

      Filesize

      128KB

    • memory/1584-170-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/1584-171-0x0000000001EC0000-0x0000000001EE0000-memory.dmp

      Filesize

      128KB

    • memory/1584-172-0x0000000001EE0000-0x0000000001F00000-memory.dmp

      Filesize

      128KB

    • memory/1584-173-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3224-157-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3224-160-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3224-159-0x00000000004D0000-0x00000000004E4000-memory.dmp

      Filesize

      80KB

    • memory/4348-156-0x0000000005620000-0x0000000005630000-memory.dmp

      Filesize

      64KB

    • memory/4348-165-0x0000000005620000-0x0000000005630000-memory.dmp

      Filesize

      64KB

    • memory/4348-146-0x0000000005910000-0x0000000005976000-memory.dmp

      Filesize

      408KB

    • memory/4348-141-0x0000000000400000-0x00000000007FE000-memory.dmp

      Filesize

      4.0MB