Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    15-01-2024 01:00

General

  • Target

    00924a49c1fc68fa7b54e1cacdf19c93.exe

  • Size

    235KB

  • MD5

    00924a49c1fc68fa7b54e1cacdf19c93

  • SHA1

    391c74453d3c3a23ebc22e307a6f071bcc818c9e

  • SHA256

    ac78b4ea0e6ae2d971799e6505d937f15276df8f34a509983f423622fed31cf0

  • SHA512

    d1cccc99f3df6cc0676f2a6e86ad9dc1284d6312148f2a389622d50a4469e159122118c14b30462e3e5fac8d54400f08e14948658804905615abf584daf87a67

  • SSDEEP

    3072:RC2zySmwWaXJVCadJizA1KSB2JybTZS5ygptqwldE2fARvSL:RC2m6qaQMlLgpH7YSL

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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
  • Modifies security service 2 TTPs 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Disables taskbar notifications via registry modification
  • Disables use of System Restore points 1 TTPs
  • Sets file execution options in registry 2 TTPs 20 IoCs
  • Sets service image path in registry 2 TTPs 1 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
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 60 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1176
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Deletes itself
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Users\Admin\AppData\Local\Temp\00924a49c1fc68fa7b54e1cacdf19c93.exe
        "C:\Users\Admin\AppData\Local\Temp\00924a49c1fc68fa7b54e1cacdf19c93.exe"
        2⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2212
      • C:\Users\Admin\AppData\Local\Temp\AB3D.exe
        C:\Users\Admin\AppData\Local\Temp\AB3D.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:2880
        • 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:2600
          • C:\Users\Admin\AppData\Local\Temp\y1g1q331gwcyei_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:1976
            • C:\Windows\SysWOW64\regedit.exe
              "C:\Windows\SysWOW64\regedit.exe"
              5⤵
              • Modifies security service
              • Sets file execution options in registry
              • Sets service image path in registry
              • Runs regedit.exe
              • Suspicious use of AdjustPrivilegeToken
              PID:2640
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\Y1G1Q3~1.EXE" /RL HIGHEST
              5⤵
              • Creates scheduled task(s)
              PID:320
      • C:\Users\Admin\AppData\Local\Temp\B0E9.exe
        C:\Users\Admin\AppData\Local\Temp\B0E9.exe
        2⤵
        • Executes dropped EXE
        PID:2752
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:1648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\AB3D.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\AB3D.exe

        Filesize

        100KB

        MD5

        7a156b2139100c9e1db95f29bf37cdc5

        SHA1

        9f7c416927e39882e843fc7234b5b408cd9ae1f0

        SHA256

        bedacc9b03649fa2b50a86389faade3369b8429d2aae910f3f187cdf65a7dd4f

        SHA512

        4ab189ee075e441e812b18a96b5d364c52bd42131e0634c4c7cb8df36db5ed2c757bdf437937504547e594a7e13c8457bd8cf747fe12d5d1c46bc17ce7bcef80

      • C:\Users\Admin\AppData\Local\Temp\B0E9.exe

        Filesize

        404KB

        MD5

        5de47a79921940795ff700d31f2932c7

        SHA1

        4d8e06805e92b033b5fcf0d62a9edd71f5e4c73a

        SHA256

        1cfa68d55b7a20fd87f7ea453f3448ec7dd2674f71efd6b1326d844e43a1f042

        SHA512

        6ee63aaf6b417af411725dc40015d8d581060900284b2cf48a28f5b7f54a7dfeac0f39b2b2c6526389ee95c764ffe543dba4b9db7ccb4d7aab6240c82680ea15

      • C:\Users\Admin\AppData\Local\Temp\B0E9.exe

        Filesize

        245KB

        MD5

        2d8dbed559721d1f50688444bbfd1682

        SHA1

        342754d501a8b9e963c8afa5372fdad6b0755f38

        SHA256

        5104783217624ecb247733086883aaec971a00e0750f7b27357b18db3738edea

        SHA512

        3165de69bc5bec35db3aac3b86d61609a275939e109b063473ac72531f22b54acc183a2e1d21ed32d2ba5eb89ad9bf6ade62be2b34bfa9b012e6fc6246d6585a

      • C:\Users\Admin\AppData\Local\Temp\B0E9.exe

        Filesize

        366KB

        MD5

        0eb4d39ce96b9decc916c7cdd8206267

        SHA1

        330dce722f95e923e636739d9ae8d6258d145e4c

        SHA256

        34b77b93363fe7337f0d523c0cc2409b78118f14af825a2a64ef2128873d4d2a

        SHA512

        94047ef15c193807b4816667fd1e5e4576e1cc0fc42a116011d7245987835f63a8a2d862390924ea308e9c67f3f114e5410cabe2d4a58804ec1adb78b607d10f

      • C:\Users\Admin\AppData\Local\Temp\y1g1q331gwcyei_1.exe

        Filesize

        249KB

        MD5

        4dc22f3a6ceec986ad2849bdb3db87d0

        SHA1

        d9204f6f4e0f6716a1cef914e83a7e4c7990199c

        SHA256

        5eb9c01db8da8cd49cc64a7232703bc25aa808b345ebbde13c0cdb738d23d574

        SHA512

        12e47d5caf43a4937aa2003bbb7e57223f2af0a9494d1742283b410bd95ba5f9ce00994cedfd93c84e54b8e875d9e75ea3ea30aa232b9cd4b2b09c4a5eab5933

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

        Filesize

        235KB

        MD5

        00924a49c1fc68fa7b54e1cacdf19c93

        SHA1

        391c74453d3c3a23ebc22e307a6f071bcc818c9e

        SHA256

        ac78b4ea0e6ae2d971799e6505d937f15276df8f34a509983f423622fed31cf0

        SHA512

        d1cccc99f3df6cc0676f2a6e86ad9dc1284d6312148f2a389622d50a4469e159122118c14b30462e3e5fac8d54400f08e14948658804905615abf584daf87a67

      • \Users\Admin\AppData\Local\Temp\y1g1q331gwcyei_1.exe

        Filesize

        121KB

        MD5

        720b3fd99822963db0348436caf475c9

        SHA1

        ee1e75ba75ea13c952933cca731a87e94759ed7f

        SHA256

        c443760e1335c35dd1e28c79047d550c69f70ea81fba88d6d0446e323a46f5d6

        SHA512

        c7b758df2c078fc32aef4b723a4294431d09bdd0125fe0f49f21bc7caf00197214b4a2740182c78eddd05a0e44eddcedc6942d5c33ed81b79bb19d6e901f554b

      • memory/1220-4-0x0000000002AC0000-0x0000000002AD6000-memory.dmp

        Filesize

        88KB

      • memory/1220-95-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/1220-59-0x0000000077581000-0x0000000077582000-memory.dmp

        Filesize

        4KB

      • memory/1648-73-0x0000000077581000-0x0000000077582000-memory.dmp

        Filesize

        4KB

      • memory/1976-90-0x0000000001D80000-0x0000000001D8C000-memory.dmp

        Filesize

        48KB

      • memory/1976-88-0x0000000000340000-0x00000000003A6000-memory.dmp

        Filesize

        408KB

      • memory/1976-91-0x0000000000340000-0x00000000003A6000-memory.dmp

        Filesize

        408KB

      • memory/1976-92-0x0000000000340000-0x00000000003A6000-memory.dmp

        Filesize

        408KB

      • memory/1976-87-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/1976-106-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/1976-108-0x0000000000340000-0x00000000003A6000-memory.dmp

        Filesize

        408KB

      • memory/1976-86-0x0000000000340000-0x00000000003A6000-memory.dmp

        Filesize

        408KB

      • memory/1976-107-0x00000000002A0000-0x00000000002A6000-memory.dmp

        Filesize

        24KB

      • memory/2212-5-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/2212-1-0x0000000000550000-0x0000000000650000-memory.dmp

        Filesize

        1024KB

      • memory/2212-3-0x0000000000400000-0x000000000043E000-memory.dmp

        Filesize

        248KB

      • memory/2212-2-0x0000000000230000-0x0000000000239000-memory.dmp

        Filesize

        36KB

      • memory/2600-57-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-68-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-44-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-42-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-41-0x00000000002B0000-0x00000000002B6000-memory.dmp

        Filesize

        24KB

      • memory/2600-40-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-39-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2600-48-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-50-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2600-110-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-54-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-55-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-56-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-99-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-58-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-45-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2600-60-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-61-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-63-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-62-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-65-0x0000000077530000-0x00000000776D9000-memory.dmp

        Filesize

        1.7MB

      • memory/2600-64-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2600-66-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-67-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-69-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-49-0x0000000000330000-0x000000000033C000-memory.dmp

        Filesize

        48KB

      • memory/2600-70-0x00000000002B0000-0x00000000002B6000-memory.dmp

        Filesize

        24KB

      • memory/2600-71-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-72-0x0000000000090000-0x0000000000154000-memory.dmp

        Filesize

        784KB

      • memory/2600-93-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-74-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-43-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-84-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-36-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2600-29-0x0000000077710000-0x0000000077891000-memory.dmp

        Filesize

        1.5MB

      • memory/2640-101-0x0000000000D70000-0x0000000000DD6000-memory.dmp

        Filesize

        408KB

      • memory/2640-103-0x0000000000D70000-0x0000000000DD5000-memory.dmp

        Filesize

        404KB

      • memory/2640-104-0x0000000000090000-0x000000000009B000-memory.dmp

        Filesize

        44KB

      • memory/2640-100-0x0000000000D70000-0x0000000000DD6000-memory.dmp

        Filesize

        408KB

      • memory/2752-38-0x0000000000EF0000-0x0000000001486000-memory.dmp

        Filesize

        5.6MB

      • memory/2880-23-0x0000000000290000-0x00000000002F6000-memory.dmp

        Filesize

        408KB

      • memory/2880-46-0x0000000000290000-0x00000000002F6000-memory.dmp

        Filesize

        408KB

      • memory/2880-21-0x0000000000450000-0x000000000045D000-memory.dmp

        Filesize

        52KB

      • memory/2880-51-0x0000000000440000-0x0000000000441000-memory.dmp

        Filesize

        4KB

      • memory/2880-26-0x00000000024D0000-0x00000000024D1000-memory.dmp

        Filesize

        4KB

      • memory/2880-22-0x0000000077720000-0x0000000077721000-memory.dmp

        Filesize

        4KB

      • memory/2880-24-0x0000000002500000-0x000000000250C000-memory.dmp

        Filesize

        48KB

      • memory/2880-27-0x0000000000290000-0x00000000002F6000-memory.dmp

        Filesize

        408KB

      • memory/2880-20-0x0000000000440000-0x0000000000441000-memory.dmp

        Filesize

        4KB

      • memory/2880-19-0x0000000000290000-0x00000000002F6000-memory.dmp

        Filesize

        408KB

      • memory/2880-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/2880-53-0x00000000024F0000-0x00000000024F1000-memory.dmp

        Filesize

        4KB