Analysis

  • max time kernel
    158s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05/01/2024, 18:28

General

  • Target

    toolspub2.exe

  • Size

    178KB

  • MD5

    05d2cf367964e2a1f8c83a9df167e836

  • SHA1

    d12c5cc51b1ee41815c5af5f279a620ba84ac407

  • SHA256

    0f73dc9673062de7bb486da601791e67e78e9aaae6a1dc5fabbdf5abe5fcc058

  • SHA512

    c3b9b57609b8c499c0eeadad5ac00f7e329dd064650d1f7762c1cc0d56be961ea9db178624a847cf71b7bfa52e275595514a6288ace7f557c56e42d37e72118d

  • SSDEEP

    3072:R4qdWTLGklFGCBTk6MuMJo9aMkwtDJsT3i6IaGWK3MkCRMk5Ds:R4qATL5nGIk6zGo9aMFfsDSaGD8k4

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • BetaBot

    Beta Bot is a Trojan that infects computers and disables Antivirus.

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Sets file execution options in registry 2 TTPs 14 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • NSIS installer 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • NTFS ADS 2 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Users\Admin\AppData\Local\Temp\toolspub2.exe
      "C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Users\Admin\AppData\Local\Temp\toolspub2.exe
        "C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"
        3⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2828
    • C:\Users\Admin\AppData\Local\Temp\4E20.exe
      C:\Users\Admin\AppData\Local\Temp\4E20.exe
      2⤵
      • Sets file execution options in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2472
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Modifies firewall policy service
        • Sets file execution options in registry
        • Checks BIOS information in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops desktop.ini file(s)
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies Internet Explorer Protected Mode
        • Modifies Internet Explorer Protected Mode Banner
        • Modifies Internet Explorer settings
        • NTFS ADS
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:268
        • C:\Users\Admin\AppData\Local\Temp\1w3ksa7q93ua_1.exe
          /suac
          4⤵
          • Modifies firewall policy service
          • Sets file execution options in registry
          • Executes dropped EXE
          • Checks for any installed AV software in registry
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1928
          • C:\Windows\SysWOW64\regedit.exe
            "C:\Windows\SysWOW64\regedit.exe"
            5⤵
            • Runs regedit.exe
            PID:2368
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\1W3KSA~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:2268
    • C:\Users\Admin\AppData\Local\Temp\5800.exe
      C:\Users\Admin\AppData\Local\Temp\5800.exe
      2⤵
      • Executes dropped EXE
      PID:2852
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1220
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:2016
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {B64A7EED-BF16-4A1D-A7ED-7AEA80404F40} S-1-5-21-1268429524-3929314613-1992311491-1000:XBTLDBHN\Admin:Interactive:[1]
        1⤵
          PID:2324

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\1w3ksa7q93ua_1.exe

                Filesize

                143KB

                MD5

                123ea1eb447e0b48d5c494360bb09367

                SHA1

                6b6a994bf5a847cb8e099bbba4e2f0d76f8e8e1b

                SHA256

                d19d9f23449dc7c7ba20e749e0dca2ef72c3c8ecc05dba4a41f20c7790bad131

                SHA512

                2457c308f5105b22a1ae3509b9e8155ea5a7af8a6a6539b6f7684e09ab042c3d195462aa9526dc0552c4c7509c3c7d53ef06fa9ac5879bea41d9ced3bee8f184

              • C:\Users\Admin\AppData\Local\Temp\4E20.exe

                Filesize

                107KB

                MD5

                ce2f2e9a73d9bc751e3bb326a334fde5

                SHA1

                77da5eca0d5d14f403abe172fc06105dc9034ee6

                SHA256

                7618625a361ad71d1c13b9d0a6c2e0045582ad58717ac4ca05e5f74340885544

                SHA512

                c0049dd0dd89b944c05d9a38d69666e238c17a188296237447104f9048febeadccad1730bdb6295a54c5303e10c7874908d1092ed7f0d1a867b3ae41d742fdef

              • C:\Users\Admin\AppData\Local\Temp\4E20.exe

                Filesize

                106KB

                MD5

                bd381650c00f55d8125a2daae1a921a1

                SHA1

                524eef762d8ec3b7e85e3cbd2db24026e2a0c414

                SHA256

                8d69cb75c74a2f98ebcf824ac8711268178c1cac4f1d9798557fff28e08b1542

                SHA512

                cfebd4e818e64571d6c4c05fce5bb6cdf16b2bef43ea06f2eb9a694d41e30025e380d7367fb97636cb832b3bf729af2d1687faa1809438b758276daba97b5d6e

              • C:\Users\Admin\AppData\Local\Temp\4E20.exe

                Filesize

                13KB

                MD5

                29d181725bb32ed3240e68e97c41641a

                SHA1

                c8ceda9f28b69d61387df4881972bc174497a5e0

                SHA256

                91c8dae4e751f73f6a6d7479b8112d19ff7113ecca05e674f4732fa675769f7c

                SHA512

                66c9a9d1e8aa6b599f84169ff993c046238cd003c17eab725ea667add8e7c9461fb401e4f907300488b2e71a4bbda99420545e2ddb65c3f310f24e7162b995cd

              • C:\Users\Admin\AppData\Local\Temp\5800.exe

                Filesize

                7KB

                MD5

                714258a9ae740694980994a9c23a36d2

                SHA1

                e5f5c0390c00c250e2dc2a0c95e6b85c3220b034

                SHA256

                70e0f1ee3c3619f642ad524f7076a34877ccc81810a20a80017861a8ef5dc7a6

                SHA512

                0e8fa7f0eb69808dd7fc05650d914c786361ae7f55d963756670c7ac830e560416df427b4c92f5d232ecc5fcf6c50d93b5b33ed2cf454a0cd81619ada18c25f3

              • C:\Users\Admin\AppData\Local\Temp\5800.exe

                Filesize

                95KB

                MD5

                9405bb1e9705e617661415c1a0df79ab

                SHA1

                f12ba8ccc636a3726d8a58bba8eca0aa29f571ac

                SHA256

                9be846c2d3f6e32f4c11f4ce1e4f8b8336e57fe9cb6118119be3d50fb919e115

                SHA512

                bd381808626bbd395a59cea317d5ddb3140e96bcb8a4507374c63ab6c5d9d637b0017dcdd0962f018797a804dd7991a161ba29a8810bdd8f4c60e65195082a0a

              • C:\Users\Admin\AppData\Local\Temp\5800.exe

                Filesize

                49KB

                MD5

                7e5104e669d3cf0a9f8be98e9fc8cf95

                SHA1

                e0e15f4f7789b8379deaa71b27354c1b38b39ab7

                SHA256

                fddba512d9386dd77c758442d5b496807c685a5ee147246920b438af1d6dc0e6

                SHA512

                62ec7a49083471c5da54e1d9379f35fb14ce01099d2aea14b6b5baa484a6b06c8590a176d66c052b98a1a4ecae2ea27f21ad9bcf5dcbf951a6c0a73c39045c2d

              • C:\Users\Admin\AppData\Roaming\fgwschd

                Filesize

                25KB

                MD5

                37ff6a759efbc5b59050cdce13945ba9

                SHA1

                7a33b7b401618809aa04eb8ef0288edeab40e9a6

                SHA256

                8ec80cd86a7fda1fc8446e7d7bbcad073cfa1baa07fe5d4a2c4b55a906934c2c

                SHA512

                9521e63e2c1041bd1e00f95e9537728bd25a6e787f4b15e4ff90ebffdd7bc96134a46a7b5ff23031a4869093de5fb9a94ef93466e60a9814b9ca2e3519b53d91

              • \Users\Admin\AppData\Local\Temp\1w3ksa7q93ua_1.exe

                Filesize

                85KB

                MD5

                a015c6866efbeb787f9620b39c9e1e01

                SHA1

                0687d985b158694e37212b2db576b6966cee21d3

                SHA256

                f6ec503ba41efc1c3f8af417de0363e9b952875c53057c52db202b3bc4f8aeb9

                SHA512

                1a5632d66ccbccee7fa9fa5cd005fb84883a995db9e44ee7e13230bbda5894ae4ec501a1f080be434c73ee45083de4769f74ed19196cdfd3f2f7563b137db564

              • memory/268-70-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-46-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-75-0x00000000001F0000-0x00000000002B4000-memory.dmp

                Filesize

                784KB

              • memory/268-72-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-73-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-77-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-34-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-35-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-37-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-38-0x00000000001A0000-0x00000000001A6000-memory.dmp

                Filesize

                24KB

              • memory/268-36-0x00000000001F0000-0x00000000002B4000-memory.dmp

                Filesize

                784KB

              • memory/268-71-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-65-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-43-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-44-0x00000000001F0000-0x00000000002B4000-memory.dmp

                Filesize

                784KB

              • memory/268-47-0x00000000004E0000-0x00000000004EC000-memory.dmp

                Filesize

                48KB

              • memory/268-48-0x00000000001F0000-0x00000000002B4000-memory.dmp

                Filesize

                784KB

              • memory/268-74-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-39-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-87-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-96-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-69-0x00000000001A0000-0x00000000001A6000-memory.dmp

                Filesize

                24KB

              • memory/268-67-0x00000000001F0000-0x00000000002B4000-memory.dmp

                Filesize

                784KB

              • memory/268-68-0x0000000077560000-0x0000000077709000-memory.dmp

                Filesize

                1.7MB

              • memory/268-107-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-57-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-58-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-59-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-60-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-61-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-117-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-63-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-64-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/268-66-0x0000000077740000-0x00000000778C1000-memory.dmp

                Filesize

                1.5MB

              • memory/1256-62-0x00000000775B1000-0x00000000775B2000-memory.dmp

                Filesize

                4KB

              • memory/1256-8-0x0000000002990000-0x00000000029A6000-memory.dmp

                Filesize

                88KB

              • memory/1256-102-0x0000000001CB0000-0x0000000001CB1000-memory.dmp

                Filesize

                4KB

              • memory/1928-99-0x0000000000010000-0x000000000006D000-memory.dmp

                Filesize

                372KB

              • memory/1928-92-0x0000000000480000-0x00000000004E6000-memory.dmp

                Filesize

                408KB

              • memory/1928-90-0x0000000000320000-0x0000000000326000-memory.dmp

                Filesize

                24KB

              • memory/1928-112-0x0000000000320000-0x0000000000326000-memory.dmp

                Filesize

                24KB

              • memory/1928-95-0x0000000000480000-0x00000000004E6000-memory.dmp

                Filesize

                408KB

              • memory/1928-93-0x0000000001E00000-0x0000000001E0C000-memory.dmp

                Filesize

                48KB

              • memory/1928-89-0x0000000000480000-0x00000000004E6000-memory.dmp

                Filesize

                408KB

              • memory/1928-100-0x0000000000480000-0x00000000004E6000-memory.dmp

                Filesize

                408KB

              • memory/2016-98-0x00000000775B1000-0x00000000775B2000-memory.dmp

                Filesize

                4KB

              • memory/2324-113-0x0000000077560000-0x0000000077709000-memory.dmp

                Filesize

                1.7MB

              • memory/2324-116-0x0000000077560000-0x0000000077709000-memory.dmp

                Filesize

                1.7MB

              • memory/2324-121-0x0000000077560000-0x0000000077709000-memory.dmp

                Filesize

                1.7MB

              • memory/2368-101-0x00000000006D0000-0x0000000000736000-memory.dmp

                Filesize

                408KB

              • memory/2368-109-0x00000000006D0000-0x0000000000735000-memory.dmp

                Filesize

                404KB

              • memory/2368-106-0x00000000006D0000-0x0000000000736000-memory.dmp

                Filesize

                408KB

              • memory/2472-25-0x0000000000290000-0x0000000000291000-memory.dmp

                Filesize

                4KB

              • memory/2472-23-0x0000000000010000-0x000000000006D000-memory.dmp

                Filesize

                372KB

              • memory/2472-42-0x0000000001CC0000-0x0000000001D26000-memory.dmp

                Filesize

                408KB

              • memory/2472-41-0x0000000000710000-0x0000000000711000-memory.dmp

                Filesize

                4KB

              • memory/2472-29-0x0000000000420000-0x0000000000421000-memory.dmp

                Filesize

                4KB

              • memory/2472-26-0x00000000002A0000-0x00000000002AD000-memory.dmp

                Filesize

                52KB

              • memory/2472-24-0x0000000001CC0000-0x0000000001D26000-memory.dmp

                Filesize

                408KB

              • memory/2472-27-0x0000000077750000-0x0000000077751000-memory.dmp

                Filesize

                4KB

              • memory/2472-28-0x0000000001CC0000-0x0000000001D26000-memory.dmp

                Filesize

                408KB

              • memory/2472-31-0x0000000001DB0000-0x0000000001DBC000-memory.dmp

                Filesize

                48KB

              • memory/2472-32-0x0000000001CC0000-0x0000000001D26000-memory.dmp

                Filesize

                408KB

              • memory/2828-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                Filesize

                4KB

              • memory/2828-6-0x0000000000400000-0x0000000000409000-memory.dmp

                Filesize

                36KB

              • memory/2828-7-0x0000000000400000-0x0000000000409000-memory.dmp

                Filesize

                36KB

              • memory/2828-5-0x0000000000400000-0x0000000000409000-memory.dmp

                Filesize

                36KB

              • memory/2828-9-0x0000000000400000-0x0000000000409000-memory.dmp

                Filesize

                36KB

              • memory/2852-56-0x0000000000190000-0x0000000000726000-memory.dmp

                Filesize

                5.6MB

              • memory/2852-76-0x0000000000190000-0x0000000000726000-memory.dmp

                Filesize

                5.6MB

              • memory/2880-2-0x00000000002D0000-0x00000000003D0000-memory.dmp

                Filesize

                1024KB

              • memory/2880-4-0x00000000001B0000-0x00000000001B9000-memory.dmp

                Filesize

                36KB