Analysis

  • max time kernel
    158s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2022 16:59

General

  • Target

    4ea2b60fd43ac25703bfb3b2005ff58a8c89e0104d0aee7eac0021ebb5be1dfc.exe

  • Size

    279KB

  • MD5

    9131aff420889f55824473c54487a7ad

  • SHA1

    adfe459cffd537795353c78879c2744041c6aefb

  • SHA256

    4ea2b60fd43ac25703bfb3b2005ff58a8c89e0104d0aee7eac0021ebb5be1dfc

  • SHA512

    dbe765c271886dd22c293d610d93d82265122628d427aef1ff6e44458dd2ad04a436e18363560e3730ea7dbb5574e94ba38366e7ff48f925a375a03ee7c9f82a

Malware Config

Signatures

  • BetaBot

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

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 4 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ea2b60fd43ac25703bfb3b2005ff58a8c89e0104d0aee7eac0021ebb5be1dfc.exe
    "C:\Users\Admin\AppData\Local\Temp\4ea2b60fd43ac25703bfb3b2005ff58a8c89e0104d0aee7eac0021ebb5be1dfc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\SysWOW64\msiexec.exe
      C:\Windows\SysWOW64\msiexec.exe
      2⤵
        PID:1528
      • C:\Users\Admin\AppData\Local\Temp\4ea2b60fd43ac25703bfb3b2005ff58a8c89e0104d0aee7eac0021ebb5be1dfc.exe
        "C:\Users\Admin\AppData\Local\Temp\4ea2b60fd43ac25703bfb3b2005ff58a8c89e0104d0aee7eac0021ebb5be1dfc.exe"
        2⤵
        • Sets file execution options in registry
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Suspicious behavior: MapViewOfSection
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1580
        • 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
          • Adds Run key to start application
          • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1884
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1268
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1220

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Modify Existing Service

        1
        T1031

        Registry Run Keys / Startup Folder

        2
        T1060

        Defense Evasion

        Modify Registry

        6
        T1112

        Discovery

        Query Registry

        3
        T1012

        System Information Discovery

        5
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\ceilometer.dll
          Filesize

          40KB

          MD5

          6812ccdf0ed5568657dbef21cae292ff

          SHA1

          3aff9e05db9de5778032b5eda91a7334a2e8a50a

          SHA256

          1cbf8b5b1728120d2a6bf006bd62febd429de3401b91bbe22945b35d9700d35e

          SHA512

          d1c82b222212a77d2de639461c4c7ec3618a47ad933169f0afd8d1c9ae249f432bd0f450df62c2d69d679736d97501ae73fe3244fa49bfcf8b87b7c9236fffa3

        • \Users\Admin\AppData\Local\Temp\nso8307.tmp\System.dll
          Filesize

          11KB

          MD5

          3f176d1ee13b0d7d6bd92e1c7a0b9bae

          SHA1

          fe582246792774c2c9dd15639ffa0aca90d6fd0b

          SHA256

          fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

          SHA512

          0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

        • memory/956-54-0x00000000757E1000-0x00000000757E3000-memory.dmp
          Filesize

          8KB

        • memory/956-57-0x0000000000360000-0x000000000036A000-memory.dmp
          Filesize

          40KB

        • memory/1268-88-0x0000000002940000-0x0000000002946000-memory.dmp
          Filesize

          24KB

        • memory/1528-58-0x0000000000000000-mapping.dmp
        • memory/1580-72-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-76-0x00000000002C0000-0x0000000000326000-memory.dmp
          Filesize

          408KB

        • memory/1580-64-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-65-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-66-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-68-0x00000000004015C6-mapping.dmp
        • memory/1580-67-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-70-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-61-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-73-0x00000000002C0000-0x0000000000326000-memory.dmp
          Filesize

          408KB

        • memory/1580-75-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-62-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-77-0x0000000000250000-0x000000000025D000-memory.dmp
          Filesize

          52KB

        • memory/1580-78-0x00000000005D0000-0x00000000005DC000-memory.dmp
          Filesize

          48KB

        • memory/1580-60-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1580-85-0x00000000002C0000-0x0000000000326000-memory.dmp
          Filesize

          408KB

        • memory/1884-82-0x0000000077170000-0x00000000772F0000-memory.dmp
          Filesize

          1.5MB

        • memory/1884-83-0x00000000000D0000-0x000000000017F000-memory.dmp
          Filesize

          700KB

        • memory/1884-84-0x0000000000400000-0x000000000040C000-memory.dmp
          Filesize

          48KB

        • memory/1884-81-0x00000000746B1000-0x00000000746B3000-memory.dmp
          Filesize

          8KB

        • memory/1884-86-0x0000000077170000-0x00000000772F0000-memory.dmp
          Filesize

          1.5MB

        • memory/1884-79-0x0000000000000000-mapping.dmp
        • memory/1884-87-0x00000000000D0000-0x000000000017F000-memory.dmp
          Filesize

          700KB