Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13-11-2020 23:21

General

  • Target

    Factura__pdf__69829.exe

  • Size

    749KB

  • MD5

    a09b11ac0a5932ab7bea125d1e83ce96

  • SHA1

    147918bd893d12180931e1a622866e8e42252f1b

  • SHA256

    157f0b21d5dcfc4e06c98545a986f2e41168f39a8d41c7f301ee4a047d55006f

  • SHA512

    b8e30534d0aa6814b0f714cfebb3b506562f1dd4a501c75d3b6e5b082cb8fff6d4e9a0df44588c67d362c7d4ff2a22eef0f113b744ffe502b995d2f3ad255141

Malware Config

Signatures

  • BetaBot

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

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Executes dropped EXE 4 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.

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
  • Suspicious use of SetThreadContext 2 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 3 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 59 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:1252
        • C:\Users\Admin\AppData\Local\Temp\Factura__pdf__69829.exe
          "C:\Users\Admin\AppData\Local\Temp\Factura__pdf__69829.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2036
          • C:\Users\Admin\AppData\Local\Temp\Factura__pdf__69829.exe
            "C:\Users\Admin\AppData\Local\Temp\Factura__pdf__69829.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:1596
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              4⤵
              • Modifies firewall policy service
              • 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: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1684
              • C:\Users\Admin\AppData\Local\Temp\q77ym119eau_1.exe
                /suac
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:924
              • C:\Users\Admin\AppData\Local\Temp\icy795mikiwk.exe
                "C:\Users\Admin\AppData\Local\Temp\icy795mikiwk.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetWindowsHookEx
                PID:1028
              • C:\Users\Admin\AppData\Local\Temp\k7ygec5i937q.exe
                "C:\Users\Admin\AppData\Local\Temp\k7ygec5i937q.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SetWindowsHookEx
                PID:1632
              • C:\Users\Admin\AppData\Local\Temp\33m75a31y579i.exe
                "C:\Users\Admin\AppData\Local\Temp\33m75a31y579i.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SetWindowsHookEx
                PID:1724
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:760

        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\Local\Temp\33m75a31y579i.exe
          MD5

          5025181e3b7b39716d8abb12587653b7

          SHA1

          fbd5bd12845b5fc2c0fca4d5517e6d41c7226217

          SHA256

          99f645012b9b6cbd56885547a4dd6c578844f9206882a98b9aa45130c138c757

          SHA512

          f69045d17c20542ecd9625a3910b73e46826d0263c0aa4e9338212d88fcf842a1e38c09dd2d89845dc2122553888ae66cd03c0d15c2fe81dc2431f25052bab28

        • C:\Users\Admin\AppData\Local\Temp\33m75a31y579i.exe
          MD5

          5025181e3b7b39716d8abb12587653b7

          SHA1

          fbd5bd12845b5fc2c0fca4d5517e6d41c7226217

          SHA256

          99f645012b9b6cbd56885547a4dd6c578844f9206882a98b9aa45130c138c757

          SHA512

          f69045d17c20542ecd9625a3910b73e46826d0263c0aa4e9338212d88fcf842a1e38c09dd2d89845dc2122553888ae66cd03c0d15c2fe81dc2431f25052bab28

        • C:\Users\Admin\AppData\Local\Temp\Dbg.txt
          MD5

          233d32ef4619c20d997073308ae77be5

          SHA1

          1aad63cba98c4851d9139ffc9bd34a9033af3922

          SHA256

          ca9f2d160d56cb2da0817e8905e2b20539f7fe0953af09913362aba1f8811143

          SHA512

          97c52a6d7144a7e16a31f966f31e21ee6836c214ef01ea6031df063c9fe48adeff30378ff8b5b72e25d6a9c8c77875c66c7e73f08860cd7c055ac951ad2ca9e0

        • C:\Users\Admin\AppData\Local\Temp\Dbg.txt
          MD5

          605e9ec302dbfd6e2f70359cee9a95cd

          SHA1

          08c55f1ebb5a005f0e17182f48801dad048ee6fc

          SHA256

          55491c04f7bdcb3305836ab70d036c05bf18ae4342bbeb538eb597deb6251137

          SHA512

          3ba192150a3fc6943d8200d5d5b13fdc6a7295343f45f49da31415300018ad242c34ce626857137896e46bc5443e1429d5461a184981308296783a9ec348812d

        • C:\Users\Admin\AppData\Local\Temp\icy795mikiwk.exe
          MD5

          02f5f7ca2efc404e1793583772fe081c

          SHA1

          36c27d4cb7ffcaed916683887688bd1c1b68dd4c

          SHA256

          03bf56a8d570d12980875268a3897d214e4a11a11e9c00beebd1c10078cb6263

          SHA512

          7fd07365176849e7f9b678796998250b65682d8bfda9acfd8a7ac7afca753c41b77439c701986076d0160ad0c0d7c21bf2f01d78b3dac493c2f6167da8ae695b

        • C:\Users\Admin\AppData\Local\Temp\k7ygec5i937q.exe
          MD5

          fc787a086afdacb23cd4136064294de7

          SHA1

          a8e22420eff649743f4cb6a434b3cb717432543a

          SHA256

          a19f13a56372672b76326bfc3bb906182f326def3fe2e8d5dbbc3a52507a2245

          SHA512

          7c6381c8f0b9c9d8c7d5cacfce86d253ad788d8fa45233596ba0b96fe8664facd8eb13cf3436e24afcb278a449c3d7d14a0dd88f4081b679a05bf97c55bf6003

        • C:\Users\Admin\AppData\Local\Temp\k7ygec5i937q.exe
          MD5

          fc787a086afdacb23cd4136064294de7

          SHA1

          a8e22420eff649743f4cb6a434b3cb717432543a

          SHA256

          a19f13a56372672b76326bfc3bb906182f326def3fe2e8d5dbbc3a52507a2245

          SHA512

          7c6381c8f0b9c9d8c7d5cacfce86d253ad788d8fa45233596ba0b96fe8664facd8eb13cf3436e24afcb278a449c3d7d14a0dd88f4081b679a05bf97c55bf6003

        • C:\Users\Admin\AppData\Local\Temp\q77ym119eau_1.exe
          MD5

          a09b11ac0a5932ab7bea125d1e83ce96

          SHA1

          147918bd893d12180931e1a622866e8e42252f1b

          SHA256

          157f0b21d5dcfc4e06c98545a986f2e41168f39a8d41c7f301ee4a047d55006f

          SHA512

          b8e30534d0aa6814b0f714cfebb3b506562f1dd4a501c75d3b6e5b082cb8fff6d4e9a0df44588c67d362c7d4ff2a22eef0f113b744ffe502b995d2f3ad255141

        • C:\Users\Admin\AppData\Local\Temp\q77ym119eau_1.exe
          MD5

          a09b11ac0a5932ab7bea125d1e83ce96

          SHA1

          147918bd893d12180931e1a622866e8e42252f1b

          SHA256

          157f0b21d5dcfc4e06c98545a986f2e41168f39a8d41c7f301ee4a047d55006f

          SHA512

          b8e30534d0aa6814b0f714cfebb3b506562f1dd4a501c75d3b6e5b082cb8fff6d4e9a0df44588c67d362c7d4ff2a22eef0f113b744ffe502b995d2f3ad255141

        • \Users\Admin\AppData\Local\Temp\33m75a31y579i.exe
          MD5

          5025181e3b7b39716d8abb12587653b7

          SHA1

          fbd5bd12845b5fc2c0fca4d5517e6d41c7226217

          SHA256

          99f645012b9b6cbd56885547a4dd6c578844f9206882a98b9aa45130c138c757

          SHA512

          f69045d17c20542ecd9625a3910b73e46826d0263c0aa4e9338212d88fcf842a1e38c09dd2d89845dc2122553888ae66cd03c0d15c2fe81dc2431f25052bab28

        • \Users\Admin\AppData\Local\Temp\icy795mikiwk.exe
          MD5

          02f5f7ca2efc404e1793583772fe081c

          SHA1

          36c27d4cb7ffcaed916683887688bd1c1b68dd4c

          SHA256

          03bf56a8d570d12980875268a3897d214e4a11a11e9c00beebd1c10078cb6263

          SHA512

          7fd07365176849e7f9b678796998250b65682d8bfda9acfd8a7ac7afca753c41b77439c701986076d0160ad0c0d7c21bf2f01d78b3dac493c2f6167da8ae695b

        • \Users\Admin\AppData\Local\Temp\k7ygec5i937q.exe
          MD5

          fc787a086afdacb23cd4136064294de7

          SHA1

          a8e22420eff649743f4cb6a434b3cb717432543a

          SHA256

          a19f13a56372672b76326bfc3bb906182f326def3fe2e8d5dbbc3a52507a2245

          SHA512

          7c6381c8f0b9c9d8c7d5cacfce86d253ad788d8fa45233596ba0b96fe8664facd8eb13cf3436e24afcb278a449c3d7d14a0dd88f4081b679a05bf97c55bf6003

        • \Users\Admin\AppData\Local\Temp\q77ym119eau_1.exe
          MD5

          a09b11ac0a5932ab7bea125d1e83ce96

          SHA1

          147918bd893d12180931e1a622866e8e42252f1b

          SHA256

          157f0b21d5dcfc4e06c98545a986f2e41168f39a8d41c7f301ee4a047d55006f

          SHA512

          b8e30534d0aa6814b0f714cfebb3b506562f1dd4a501c75d3b6e5b082cb8fff6d4e9a0df44588c67d362c7d4ff2a22eef0f113b744ffe502b995d2f3ad255141

        • memory/760-12-0x000007FEF7E60000-0x000007FEF80DA000-memory.dmp
          Filesize

          2.5MB

        • memory/924-14-0x0000000000000000-mapping.dmp
        • memory/1028-19-0x0000000000000000-mapping.dmp
        • memory/1596-0-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1596-3-0x0000000002600000-0x0000000002725000-memory.dmp
          Filesize

          1.1MB

        • memory/1596-4-0x0000000002A30000-0x0000000002BB1000-memory.dmp
          Filesize

          1.5MB

        • memory/1596-2-0x0000000000400000-0x0000000000435000-memory.dmp
          Filesize

          212KB

        • memory/1596-1-0x00000000004015C6-mapping.dmp
        • memory/1632-30-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp
          Filesize

          9.9MB

        • memory/1632-31-0x0000000000010000-0x0000000000011000-memory.dmp
          Filesize

          4KB

        • memory/1632-28-0x0000000000000000-mapping.dmp
        • memory/1684-11-0x0000000074D90000-0x0000000074DAC000-memory.dmp
          Filesize

          112KB

        • memory/1684-10-0x0000000075790000-0x0000000075797000-memory.dmp
          Filesize

          28KB

        • memory/1684-9-0x0000000075530000-0x000000007556C000-memory.dmp
          Filesize

          240KB

        • memory/1684-5-0x0000000000000000-mapping.dmp
        • memory/1724-37-0x0000000000000000-mapping.dmp
        • memory/1724-40-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp
          Filesize

          9.9MB

        • memory/1724-41-0x0000000000940000-0x0000000000941000-memory.dmp
          Filesize

          4KB