Analysis

  • max time kernel
    30s
  • max time network
    29s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2023 22:56

General

  • Target

    BruteForcers PACK/BruteForcers PACK/BTC BRUTE CHECKER 3.1/Bitcoin Brute Checker 3.1.exe

  • Size

    183KB

  • MD5

    ee99d0874e15a451904ca19b4c4b3707

  • SHA1

    b45b61fb965dc6c61f6389de830f16a9d4ce2a31

  • SHA256

    3d7f184f288ae23c94a3171428c1dbda7a8e79035760a19ce78c905f71934578

  • SHA512

    b77ee115e9683f68de63804324f6ecd5319155b5493ef7ddab3733195a5822507866b583f004392f55d70e7a6c542dfa67fe7eb51052c9ef3a8a82ca4e6ef775

  • SSDEEP

    768:nec4lj/GeePn4RO0ngaUy1wbFWrNNVSeKG5ZxZPt+4L+gn7nQtgnggnGk/SV3Wn3:p4llePqrgcw0bVDDxJtJKgSTQl

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\BTC BRUTE CHECKER 3.1\Bitcoin Brute Checker 3.1.exe
    "C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\BTC BRUTE CHECKER 3.1\Bitcoin Brute Checker 3.1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4504
    • C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\BTC BRUTE CHECKER 3.1\dllsys\Launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\BTC BRUTE CHECKER 3.1\dllsys\Launcher.exe"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" add-mppreference -exclusionpath C:\Windows\IMF\
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3316
      • C:\Windows\IMF\Windows Services.exe
        "C:\Windows\IMF\Windows Services.exe" {Arguments If Needed}
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2504
        • C:\Windows\IMF\Secure System Shell.exe
          "C:\Windows\IMF\Secure System Shell.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3888
        • C:\Windows\IMF\Runtime Explorer.exe
          "C:\Windows\IMF\Runtime Explorer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:3576
    • C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\BTC BRUTE CHECKER 3.1\dllsys\bchainHost.exe
      "C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\BTC BRUTE CHECKER 3.1\dllsys\bchainHost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\BTC BRUTE CHECKER 3.1\dllsys\bchainHost.exe
        "C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\BTC BRUTE CHECKER 3.1\dllsys\bchainHost.exe"
        3⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Enumerates system info in registry
        PID:412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 412 -s 1492
          4⤵
          • Program crash
          PID:4600
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 412 -ip 412
    1⤵
      PID:5056

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fgsqe3z3.tia.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Windows\IMF\Runtime Explorer.exe

      Filesize

      144KB

      MD5

      ec70c6f4dc443c5ab2b91d64ae04fa8e

      SHA1

      43eb3b3289782fced204f0b4e3edad2ba1b085b7

      SHA256

      276f1bfc6256f4c1ddd544d5a556d299ebddcf200a64ee7c9c3edef686df727d

      SHA512

      6217c232edbcf60ae1337120aa9b51956e06f591c660fd720b02fe8abf01923dd4dca28f69ece88c12c705a4c3a392d0cbb6f4f6c6759306123db141ed05d584

    • C:\Windows\IMF\Runtime Explorer.exe

      Filesize

      144KB

      MD5

      ec70c6f4dc443c5ab2b91d64ae04fa8e

      SHA1

      43eb3b3289782fced204f0b4e3edad2ba1b085b7

      SHA256

      276f1bfc6256f4c1ddd544d5a556d299ebddcf200a64ee7c9c3edef686df727d

      SHA512

      6217c232edbcf60ae1337120aa9b51956e06f591c660fd720b02fe8abf01923dd4dca28f69ece88c12c705a4c3a392d0cbb6f4f6c6759306123db141ed05d584

    • C:\Windows\IMF\Runtime Explorer.exe

      Filesize

      144KB

      MD5

      ec70c6f4dc443c5ab2b91d64ae04fa8e

      SHA1

      43eb3b3289782fced204f0b4e3edad2ba1b085b7

      SHA256

      276f1bfc6256f4c1ddd544d5a556d299ebddcf200a64ee7c9c3edef686df727d

      SHA512

      6217c232edbcf60ae1337120aa9b51956e06f591c660fd720b02fe8abf01923dd4dca28f69ece88c12c705a4c3a392d0cbb6f4f6c6759306123db141ed05d584

    • C:\Windows\IMF\Secure System Shell.exe

      Filesize

      45KB

      MD5

      7d0c7359e5b2daa5665d01afdc98cc00

      SHA1

      c3cc830c8ffd0f53f28d89dcd9f3426be87085cb

      SHA256

      f1abd5ab03189e82971513e6ca04bd372fcf234d670079888f01cf4addd49809

      SHA512

      a8f82b11b045d8dd744506f4f56f3382b33a03684a6aebc91a02ea901c101b91cb43b7d0213f72f39cbb22f616ecd5de8b9e6c99fb5669f26a3ea6bcb63c8407

    • C:\Windows\IMF\Secure System Shell.exe

      Filesize

      45KB

      MD5

      7d0c7359e5b2daa5665d01afdc98cc00

      SHA1

      c3cc830c8ffd0f53f28d89dcd9f3426be87085cb

      SHA256

      f1abd5ab03189e82971513e6ca04bd372fcf234d670079888f01cf4addd49809

      SHA512

      a8f82b11b045d8dd744506f4f56f3382b33a03684a6aebc91a02ea901c101b91cb43b7d0213f72f39cbb22f616ecd5de8b9e6c99fb5669f26a3ea6bcb63c8407

    • C:\Windows\IMF\Secure System Shell.exe

      Filesize

      45KB

      MD5

      7d0c7359e5b2daa5665d01afdc98cc00

      SHA1

      c3cc830c8ffd0f53f28d89dcd9f3426be87085cb

      SHA256

      f1abd5ab03189e82971513e6ca04bd372fcf234d670079888f01cf4addd49809

      SHA512

      a8f82b11b045d8dd744506f4f56f3382b33a03684a6aebc91a02ea901c101b91cb43b7d0213f72f39cbb22f616ecd5de8b9e6c99fb5669f26a3ea6bcb63c8407

    • C:\Windows\IMF\Windows Services.exe

      Filesize

      46KB

      MD5

      ad0ce1302147fbdfecaec58480eb9cf9

      SHA1

      874efbc76e5f91bc1425a43ea19400340f98d42b

      SHA256

      2c339b52b82e73b4698a0110cdfe310c00c5c69078e9e1bd6fa1308652bf82a3

      SHA512

      adccd5520e01b673c2fc5c451305fe31b1a3e74891aece558f75fefc50218adf1fb81bb8c7f19969929d3fecb0fdb2cb5b564400d51e0a5a1ad8d5bc2d4eed53

    • C:\Windows\IMF\Windows Services.exe

      Filesize

      46KB

      MD5

      ad0ce1302147fbdfecaec58480eb9cf9

      SHA1

      874efbc76e5f91bc1425a43ea19400340f98d42b

      SHA256

      2c339b52b82e73b4698a0110cdfe310c00c5c69078e9e1bd6fa1308652bf82a3

      SHA512

      adccd5520e01b673c2fc5c451305fe31b1a3e74891aece558f75fefc50218adf1fb81bb8c7f19969929d3fecb0fdb2cb5b564400d51e0a5a1ad8d5bc2d4eed53

    • C:\Windows\IMF\Windows Services.exe

      Filesize

      46KB

      MD5

      ad0ce1302147fbdfecaec58480eb9cf9

      SHA1

      874efbc76e5f91bc1425a43ea19400340f98d42b

      SHA256

      2c339b52b82e73b4698a0110cdfe310c00c5c69078e9e1bd6fa1308652bf82a3

      SHA512

      adccd5520e01b673c2fc5c451305fe31b1a3e74891aece558f75fefc50218adf1fb81bb8c7f19969929d3fecb0fdb2cb5b564400d51e0a5a1ad8d5bc2d4eed53

    • memory/412-152-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/412-149-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/412-150-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/412-163-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/412-154-0x0000000000400000-0x000000000045D000-memory.dmp

      Filesize

      372KB

    • memory/412-166-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

      Filesize

      4KB

    • memory/1708-146-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

      Filesize

      64KB

    • memory/1708-143-0x0000000000140000-0x00000000001C8000-memory.dmp

      Filesize

      544KB

    • memory/1708-153-0x0000000004A40000-0x0000000004A43000-memory.dmp

      Filesize

      12KB

    • memory/2504-218-0x0000000004B70000-0x0000000004B80000-memory.dmp

      Filesize

      64KB

    • memory/2504-211-0x00000000002D0000-0x00000000002E2000-memory.dmp

      Filesize

      72KB

    • memory/2504-251-0x0000000004B70000-0x0000000004B80000-memory.dmp

      Filesize

      64KB

    • memory/3316-240-0x000000007F790000-0x000000007F7A0000-memory.dmp

      Filesize

      64KB

    • memory/3316-245-0x00000000078A0000-0x00000000078AE000-memory.dmp

      Filesize

      56KB

    • memory/3316-161-0x0000000005C80000-0x0000000005CE6000-memory.dmp

      Filesize

      408KB

    • memory/3316-164-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

      Filesize

      64KB

    • memory/3316-165-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

      Filesize

      64KB

    • memory/3316-247-0x0000000007990000-0x0000000007998000-memory.dmp

      Filesize

      32KB

    • memory/3316-246-0x00000000079B0000-0x00000000079CA000-memory.dmp

      Filesize

      104KB

    • memory/3316-244-0x00000000078F0000-0x0000000007986000-memory.dmp

      Filesize

      600KB

    • memory/3316-243-0x00000000076E0000-0x00000000076EA000-memory.dmp

      Filesize

      40KB

    • memory/3316-227-0x0000000006920000-0x0000000006952000-memory.dmp

      Filesize

      200KB

    • memory/3316-241-0x0000000007CE0000-0x000000000835A000-memory.dmp

      Filesize

      6.5MB

    • memory/3316-242-0x0000000007680000-0x000000000769A000-memory.dmp

      Filesize

      104KB

    • memory/3316-155-0x0000000005BE0000-0x0000000005C02000-memory.dmp

      Filesize

      136KB

    • memory/3316-148-0x0000000005580000-0x0000000005BA8000-memory.dmp

      Filesize

      6.2MB

    • memory/3316-147-0x0000000002A30000-0x0000000002A66000-memory.dmp

      Filesize

      216KB

    • memory/3316-193-0x00000000062F0000-0x000000000630E000-memory.dmp

      Filesize

      120KB

    • memory/3316-219-0x0000000002AD0000-0x0000000002AE0000-memory.dmp

      Filesize

      64KB

    • memory/3316-162-0x0000000005D60000-0x0000000005DC6000-memory.dmp

      Filesize

      408KB

    • memory/3316-238-0x0000000006900000-0x000000000691E000-memory.dmp

      Filesize

      120KB

    • memory/3316-228-0x000000006F280000-0x000000006F2CC000-memory.dmp

      Filesize

      304KB

    • memory/3560-142-0x0000000006530000-0x00000000065AE000-memory.dmp

      Filesize

      504KB

    • memory/3560-194-0x0000000006170000-0x000000000618E000-memory.dmp

      Filesize

      120KB

    • memory/3560-140-0x0000000000650000-0x0000000000664000-memory.dmp

      Filesize

      80KB

    • memory/3560-192-0x0000000006190000-0x0000000006206000-memory.dmp

      Filesize

      472KB

    • memory/3560-141-0x0000000004E30000-0x0000000004E40000-memory.dmp

      Filesize

      64KB

    • memory/3560-145-0x0000000004E30000-0x0000000004E40000-memory.dmp

      Filesize

      64KB

    • memory/3888-239-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

      Filesize

      64KB

    • memory/3888-224-0x00000000005A0000-0x00000000005B2000-memory.dmp

      Filesize

      72KB

    • memory/3888-252-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

      Filesize

      64KB

    • memory/4504-138-0x0000000005830000-0x0000000005886000-memory.dmp

      Filesize

      344KB

    • memory/4504-139-0x00000000058E0000-0x00000000058F0000-memory.dmp

      Filesize

      64KB

    • memory/4504-133-0x0000000000B40000-0x0000000000B74000-memory.dmp

      Filesize

      208KB

    • memory/4504-135-0x0000000005BA0000-0x0000000006144000-memory.dmp

      Filesize

      5.6MB

    • memory/4504-136-0x0000000005690000-0x0000000005722000-memory.dmp

      Filesize

      584KB

    • memory/4504-137-0x00000000055C0000-0x00000000055CA000-memory.dmp

      Filesize

      40KB

    • memory/4504-134-0x00000000054D0000-0x000000000556C000-memory.dmp

      Filesize

      624KB