Analysis

  • max time kernel
    166s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2024 20:15

General

  • Target

    e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa.exe

  • Size

    311KB

  • MD5

    ad3d9d31919b2727b2a4678d3c37affd

  • SHA1

    1044bf1d3ac8b6193541acbbb4a0e576854cc8f1

  • SHA256

    e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa

  • SHA512

    5c645773e7f1bdd12bfe65442b277d24aedd7bcd3ef80b91e4f3e720dc4bd07ce0e51edf7e70c2c7ec767ad5bc6cefbef5be3d7e8092ddbd3f09a02d354c64fd

  • SSDEEP

    3072:IT8Sq3LCwn/MOozAPDRK3ZCQXd0odbHLIviqj365uSR3lDbo5k9I3V2DaFwj0:mfSLChTAP1qCQXdF9rIvVSRLm3gb

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
  • 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 47 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\AppData\Local\Temp\e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa.exe
      "C:\Users\Admin\AppData\Local\Temp\e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2396
    • C:\Users\Admin\AppData\Local\Temp\C4F4.exe
      C:\Users\Admin\AppData\Local\Temp\C4F4.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:3008
      • 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:668
        • C:\Users\Admin\AppData\Local\Temp\wy9c15k7g17s5_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:1488
          • C:\Windows\SysWOW64\regedit.exe
            "C:\Windows\SysWOW64\regedit.exe"
            5⤵
            • Runs regedit.exe
            PID:2328
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\WY9C15~1.EXE" /RL HIGHEST
            5⤵
            • Creates scheduled task(s)
            PID:2492
    • C:\Users\Admin\AppData\Local\Temp\E37D.exe
      C:\Users\Admin\AppData\Local\Temp\E37D.exe
      2⤵
      • Executes dropped EXE
      PID:2340
  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1184
    • C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      1⤵
        PID:572

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\C4F4.exe

        Filesize

        360KB

        MD5

        80c413180b6bd0dd664adc4e0665b494

        SHA1

        e791e4a3391fc6b7bcb58399cd4fa3c52a06b940

        SHA256

        6d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880

        SHA512

        347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a

      • C:\Users\Admin\AppData\Local\Temp\C4F4.exe

        Filesize

        305KB

        MD5

        bc6de7242ac945d62ba73b4887e95206

        SHA1

        104526c9384e98b671a5cd7e82609ee7cc483ad6

        SHA256

        e9ece7ca98c89ed8ef7feee28516fa6a6092a8524a07e1d5709f55a42ae6a8a1

        SHA512

        8f8c5d0ba096acab442ef49fbaea405d3b85ef308b1d4bba963199bcca90f2fd37a8544f1fa6098a705c877b30680394c52c0ca770a850770f299844140d279a

      • C:\Users\Admin\AppData\Local\Temp\E37D.exe

        Filesize

        98KB

        MD5

        9f0179b62463474f71665c166e43e06f

        SHA1

        fd4e851eef802cc78767fdc57b4c9cbc5b1e2fd1

        SHA256

        aeea156f984860ee679267fe14fb407a655c0e890e0a33eaa7a2705f10a1726b

        SHA512

        277233c81577a25201f9e4895a5305f2ada55521842a0b0d567237aef97f795d42e0f3def5c084e3a0a519ea688194efc12e51dd183fe47903879dac6cb1952e

      • C:\Users\Admin\AppData\Local\Temp\E37D.exe

        Filesize

        108KB

        MD5

        ee509616e42148c9ea6b44ffd36dea19

        SHA1

        d51e7affdec5f897e195bf8550f9d229b01d85d4

        SHA256

        ad0b469376864249667790b4fa296ad25a30e565357552f132b4a3f94702a516

        SHA512

        00e78ef4935ee0fe1eca8ce8dcca4134d3586c57fec58d855409a98317ab57b65d11ba1f62000929c6e8d6dbdb629730d3735d6ab98db7ef63555bab15facc95

      • C:\Users\Admin\AppData\Local\Temp\E37D.exe

        Filesize

        176KB

        MD5

        4c1cfce60e97d22ff4eb58782292afa4

        SHA1

        76c4efe3181265196515d16a24c93d7990a206a0

        SHA256

        d62fb413ef0e83fbb1ebb90ebdf6660d8ab34febf588cad05a12141221db4095

        SHA512

        cdb665a94bd270576a681626d724ffd89dfbd97adc09ef2c9cd5ea7782e9ccef02efb64149e1a6a09bd15b58a9276d0416eed84c151aaf4bda1dd38bcaa2cc29

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

        Filesize

        311KB

        MD5

        ad3d9d31919b2727b2a4678d3c37affd

        SHA1

        1044bf1d3ac8b6193541acbbb4a0e576854cc8f1

        SHA256

        e5b01cd00c400a4587db5d160b1380baf51684deed80b49934bcaf00bd9796aa

        SHA512

        5c645773e7f1bdd12bfe65442b277d24aedd7bcd3ef80b91e4f3e720dc4bd07ce0e51edf7e70c2c7ec767ad5bc6cefbef5be3d7e8092ddbd3f09a02d354c64fd

      • memory/572-91-0x0000000077421000-0x0000000077422000-memory.dmp

        Filesize

        4KB

      • memory/668-56-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-69-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-102-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-92-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-83-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-58-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-73-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-72-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-71-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-70-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-30-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-31-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-33-0x00000000004A0000-0x0000000000564000-memory.dmp

        Filesize

        784KB

      • memory/668-59-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-35-0x00000000001D0000-0x00000000001D6000-memory.dmp

        Filesize

        24KB

      • memory/668-32-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-36-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-34-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-39-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-68-0x00000000004A0000-0x0000000000564000-memory.dmp

        Filesize

        784KB

      • memory/668-42-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-41-0x00000000004A0000-0x0000000000564000-memory.dmp

        Filesize

        784KB

      • memory/668-43-0x00000000005F0000-0x00000000005FC000-memory.dmp

        Filesize

        48KB

      • memory/668-45-0x00000000004A0000-0x0000000000564000-memory.dmp

        Filesize

        784KB

      • memory/668-67-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-66-0x00000000773D0000-0x0000000077579000-memory.dmp

        Filesize

        1.7MB

      • memory/668-65-0x00000000001D0000-0x00000000001D6000-memory.dmp

        Filesize

        24KB

      • memory/668-63-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-64-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-55-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-62-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-57-0x00000000775B0000-0x0000000077731000-memory.dmp

        Filesize

        1.5MB

      • memory/668-60-0x00000000004A0000-0x0000000000564000-memory.dmp

        Filesize

        784KB

      • memory/1264-4-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

        Filesize

        88KB

      • memory/1264-61-0x0000000077421000-0x0000000077422000-memory.dmp

        Filesize

        4KB

      • memory/1264-98-0x0000000002A10000-0x0000000002A11000-memory.dmp

        Filesize

        4KB

      • memory/1488-94-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/1488-85-0x00000000002A0000-0x0000000000306000-memory.dmp

        Filesize

        408KB

      • memory/1488-89-0x0000000002510000-0x000000000251C000-memory.dmp

        Filesize

        48KB

      • memory/1488-87-0x00000000002A0000-0x0000000000306000-memory.dmp

        Filesize

        408KB

      • memory/1488-86-0x00000000003E0000-0x00000000003E6000-memory.dmp

        Filesize

        24KB

      • memory/1488-90-0x00000000002A0000-0x0000000000306000-memory.dmp

        Filesize

        408KB

      • memory/1488-95-0x00000000002A0000-0x0000000000306000-memory.dmp

        Filesize

        408KB

      • memory/1488-96-0x00000000003E0000-0x00000000003E6000-memory.dmp

        Filesize

        24KB

      • memory/2328-97-0x0000000000E50000-0x0000000000EB6000-memory.dmp

        Filesize

        408KB

      • memory/2328-103-0x0000000000E50000-0x0000000000EB6000-memory.dmp

        Filesize

        408KB

      • memory/2328-104-0x0000000000E50000-0x0000000000EB5000-memory.dmp

        Filesize

        404KB

      • memory/2340-54-0x0000000000CF0000-0x0000000001286000-memory.dmp

        Filesize

        5.6MB

      • memory/2340-52-0x0000000000CF0000-0x0000000001286000-memory.dmp

        Filesize

        5.6MB

      • memory/2396-3-0x0000000000400000-0x0000000000870000-memory.dmp

        Filesize

        4.4MB

      • memory/2396-2-0x0000000000220000-0x0000000000229000-memory.dmp

        Filesize

        36KB

      • memory/2396-1-0x0000000000920000-0x0000000000A20000-memory.dmp

        Filesize

        1024KB

      • memory/2396-5-0x0000000000400000-0x0000000000870000-memory.dmp

        Filesize

        4.4MB

      • memory/3008-25-0x0000000001D80000-0x0000000001D81000-memory.dmp

        Filesize

        4KB

      • memory/3008-20-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/3008-23-0x0000000000440000-0x00000000004A6000-memory.dmp

        Filesize

        408KB

      • memory/3008-27-0x0000000001EF0000-0x0000000001EFC000-memory.dmp

        Filesize

        48KB

      • memory/3008-26-0x0000000000440000-0x00000000004A6000-memory.dmp

        Filesize

        408KB

      • memory/3008-22-0x00000000775C0000-0x00000000775C1000-memory.dmp

        Filesize

        4KB

      • memory/3008-19-0x0000000000440000-0x00000000004A6000-memory.dmp

        Filesize

        408KB

      • memory/3008-40-0x0000000000440000-0x00000000004A6000-memory.dmp

        Filesize

        408KB

      • memory/3008-38-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

        Filesize

        4KB

      • memory/3008-21-0x00000000002B0000-0x00000000002BD000-memory.dmp

        Filesize

        52KB

      • memory/3008-18-0x0000000000010000-0x000000000006D000-memory.dmp

        Filesize

        372KB

      • memory/3008-28-0x0000000000440000-0x00000000004A6000-memory.dmp

        Filesize

        408KB