Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12-11-2020 14:17

General

  • Target

    5e76ff3a2c09d0d23c33ea120c80e84c72e0ef705b03c1106056399e620effa2.exe

  • Size

    656KB

  • MD5

    caef8427511572beb9943b7b7db02687

  • SHA1

    0830dcb74594d043d2d23bca12377a92753fee7f

  • SHA256

    5e76ff3a2c09d0d23c33ea120c80e84c72e0ef705b03c1106056399e620effa2

  • SHA512

    eaa9ffd0e9ff9448efa20375858122d39a72b1d9ed91547403bb10a3d07284acba31a946c21196b7d9f6a526d0cce8019e094e9b39e06898ee8b2f778a5403ec

Malware Config

Extracted

Family

azorult

C2

http://tong-honq.com/azo/amon/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • BetaBot

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

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

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

  • Drops startup file 1 IoCs
  • 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
  • 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 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1180
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1212
        • C:\Users\Admin\AppData\Local\Temp\5e76ff3a2c09d0d23c33ea120c80e84c72e0ef705b03c1106056399e620effa2.exe
          "C:\Users\Admin\AppData\Local\Temp\5e76ff3a2c09d0d23c33ea120c80e84c72e0ef705b03c1106056399e620effa2.exe"
          2⤵
          • Drops startup file
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1320
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\amon.exe"
            3⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1772
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\amon.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\amon.exe"
              4⤵
              • Executes dropped EXE
              PID:1336
          • C:\Users\Admin\AppData\Local\Temp\5e76ff3a2c09d0d23c33ea120c80e84c72e0ef705b03c1106056399e620effa2.exe
            "C:\Users\Admin\AppData\Local\Temp\5e76ff3a2c09d0d23c33ea120c80e84c72e0ef705b03c1106056399e620effa2.exe"
            3⤵
            • 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:1144
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              4⤵
              • Modifies firewall policy service
              • 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:1204
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:1612

        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

        4
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\amon.exe
          MD5

          12ad2ad227adcba988a5ae07a20a2721

          SHA1

          78b8cfe51e248ae7955a5ef9d2d66b59d49c3f90

          SHA256

          effd925b2f9d53b081fb4a3f5c1de311bf72f2caf3ffd67b0555b9e40e098e4a

          SHA512

          f14f57fe6d3ad8bc8d0a0d992b9ad2ccf3e85bb524d3c7b22469a5f59440c0bdcf1bef75a480e617470ae1f953af62950dea37e01acfa771f2a555ef005f81bf

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\amon.exe
          MD5

          12ad2ad227adcba988a5ae07a20a2721

          SHA1

          78b8cfe51e248ae7955a5ef9d2d66b59d49c3f90

          SHA256

          effd925b2f9d53b081fb4a3f5c1de311bf72f2caf3ffd67b0555b9e40e098e4a

          SHA512

          f14f57fe6d3ad8bc8d0a0d992b9ad2ccf3e85bb524d3c7b22469a5f59440c0bdcf1bef75a480e617470ae1f953af62950dea37e01acfa771f2a555ef005f81bf

        • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\amon.exe
          MD5

          12ad2ad227adcba988a5ae07a20a2721

          SHA1

          78b8cfe51e248ae7955a5ef9d2d66b59d49c3f90

          SHA256

          effd925b2f9d53b081fb4a3f5c1de311bf72f2caf3ffd67b0555b9e40e098e4a

          SHA512

          f14f57fe6d3ad8bc8d0a0d992b9ad2ccf3e85bb524d3c7b22469a5f59440c0bdcf1bef75a480e617470ae1f953af62950dea37e01acfa771f2a555ef005f81bf

        • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\amon.exe
          MD5

          12ad2ad227adcba988a5ae07a20a2721

          SHA1

          78b8cfe51e248ae7955a5ef9d2d66b59d49c3f90

          SHA256

          effd925b2f9d53b081fb4a3f5c1de311bf72f2caf3ffd67b0555b9e40e098e4a

          SHA512

          f14f57fe6d3ad8bc8d0a0d992b9ad2ccf3e85bb524d3c7b22469a5f59440c0bdcf1bef75a480e617470ae1f953af62950dea37e01acfa771f2a555ef005f81bf

        • memory/1144-16-0x00000000004015C6-mapping.dmp
        • memory/1144-17-0x0000000002880000-0x000000000298E000-memory.dmp
          Filesize

          1.1MB

        • memory/1144-18-0x0000000002C90000-0x0000000002E11000-memory.dmp
          Filesize

          1.5MB

        • memory/1204-19-0x0000000000000000-mapping.dmp
        • memory/1204-21-0x0000000074A90000-0x0000000074ACC000-memory.dmp
          Filesize

          240KB

        • memory/1204-22-0x0000000074A60000-0x0000000074A67000-memory.dmp
          Filesize

          28KB

        • memory/1204-23-0x0000000074A70000-0x0000000074A8C000-memory.dmp
          Filesize

          112KB

        • memory/1320-1-0x0000000000DA0000-0x0000000000DA1000-memory.dmp
          Filesize

          4KB

        • memory/1320-3-0x0000000000290000-0x00000000002A6000-memory.dmp
          Filesize

          88KB

        • memory/1320-0-0x0000000074570000-0x0000000074C5E000-memory.dmp
          Filesize

          6.9MB

        • memory/1336-12-0x0000000000000000-mapping.dmp
        • memory/1612-14-0x000007FEF7FE0000-0x000007FEF825A000-memory.dmp
          Filesize

          2.5MB

        • memory/1772-8-0x0000000000000000-mapping.dmp