Analysis

  • max time kernel
    600s
  • max time network
    600s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    23-06-2021 02:24

General

  • Target

    aa.exe

  • Size

    3.5MB

  • MD5

    808e34a763acd79d01eeb1f54b18a551

  • SHA1

    df3f6e0f29d9d65a2afc401ab6938044f24c5506

  • SHA256

    86aab09b278fe8e538d8cecd28f2d7a32fe413724d5ee52e2815a3267a988595

  • SHA512

    9638d841bbbb059f6c6be89f3664ce68b4749585a523a776e51b6d591c6ccb60b6df3aa34d25bf8df7521f883b7e31108da64c1112ff3fd369945acc0885a31c

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
  • Sets file to hidden 1 TTPs

    Modifies file attributes to stop it showing in Explorer etc.

  • 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 10 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • Delays execution with timeout.exe 5 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Kills process with taskkill 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
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1260
      • C:\Users\Admin\AppData\Local\Temp\aa.exe
        "C:\Users\Admin\AppData\Local\Temp\aa.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1888
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\LMPupdate\set\435246.vbs"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:552
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\LMPupdate\set\183.bat" "
            4⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1084
            • C:\Windows\SysWOW64\timeout.exe
              timeout 0
              5⤵
              • Delays execution with timeout.exe
              PID:1872
            • C:\Windows\SysWOW64\PING.EXE
              ping dhgfg sgudy
              5⤵
              • Runs ping.exe
              PID:996
            • C:\LMPupdate\set\unpakedree.exe
              "unpakedree.exe" e -p67dah9fasdd8kja8ds9h9sad 43939237cx.rar
              5⤵
              • Executes dropped EXE
              PID:556
            • C:\Windows\SysWOW64\timeout.exe
              timeout 5
              5⤵
              • Delays execution with timeout.exe
              PID:1276
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\LMPupdate\set\3980392CV.vbs"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:656
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ""C:\LMPupdate\set\48551.bat" "
                6⤵
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:636
                • C:\Windows\SysWOW64\attrib.exe
                  attrib +s +h "C:\LMPupdate\set"
                  7⤵
                  • Views/modifies file attributes
                  PID:512
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 2
                  7⤵
                  • Delays execution with timeout.exe
                  PID:1384
                • C:\LMPupdate\set\xc829374091FD.exe
                  xc829374091FD.exe /start
                  7⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of WriteProcessMemory
                  PID:1092
                  • C:\LMPupdate\set\xc829374091FD.exe
                    xc829374091FD.exe /start
                    8⤵
                    • Executes dropped EXE
                    • Checks whether UAC is enabled
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    • Checks processor information in registry
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1592
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      9⤵
                      • 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
                      PID:1712
                      • C:\Users\Admin\AppData\Local\Temp\175g199i3_1.exe
                        /suac
                        10⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        PID:1600
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /f /im unpakedree.exe
                  7⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2044
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /f /im unpakedree.exe
                  7⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1692
                • C:\Windows\SysWOW64\attrib.exe
                  attrib -s -h "C:\LMPupdate\set\xc829374091FD.exe"
                  7⤵
                  • Views/modifies file attributes
                  PID:480
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 4
                  7⤵
                  • Delays execution with timeout.exe
                  PID:816
            • C:\Windows\SysWOW64\timeout.exe
              timeout 6
              5⤵
              • Delays execution with timeout.exe
              PID:468
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1224
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:1432

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\LMPupdate\set\183.bat

          MD5

          49d00501554543d18a49c5b93c4528f0

          SHA1

          7a73595e37fda30fb1554b9d8bfe8a855f803d0b

          SHA256

          74560d7c92a3cb7c3782e59fb45bd5a9b1a77a619fad985c4d5bdd17a48c2735

          SHA512

          9c6c296b4bd21de5d13dc56dc92eab363bbd982335858a09537a34f2394be5632d34e002dfa73e312f685f45126c3d5d497a3d7c4553c46bcf4b8c65c4178fb6

        • C:\LMPupdate\set\3980392CV.vbs

          MD5

          0c4747ed40d52d992d44951de476c21b

          SHA1

          24cc5271d1a379e0ebdd0814a1148ecd6e7c880a

          SHA256

          3c01bb32fd4de8574e37cb8293e61d869b8f5bbec69f3cb882a17d5d285b3264

          SHA512

          6e7a264c288c8939c5d8f482229c92915a9bef427b5b1b1df8d942ffded006feba548acfa08588327587f34928acb0912d6f464536f5beb8027b78def01cffe1

        • C:\LMPupdate\set\435246.vbs

          MD5

          f6e0c73782e7a0768006b7be0fc4a1a1

          SHA1

          2a5dea82a47544d00bfa99563fb899a41fa7a1f7

          SHA256

          8c968d170289989dcca0c9bb5f2381dd6e38c3cfb6a324e80dbb6e556e6c5317

          SHA512

          89827dcd80d9b5c2eedf18996a882feda400036df0b9691fc30701265f11528b0ab312dc69246f56e0388f75d2fa394329f502f9f796cbec702cd1dbfa9f2703

        • C:\LMPupdate\set\48551.bat

          MD5

          ec8f0f76fe14a110317c3b5c71fce669

          SHA1

          d41207a90b96b124630f3f8ad7f1657cd39a4dd2

          SHA256

          1447333e356ed3c1c5183ebef48730c370429c40137c2255585a1d3ba2a37614

          SHA512

          9e78bf61280430edbc2ed2c5869acc2cde3e92f236f2eabf83f715a0d6fbc3a79a420c94364cdf4863dd5ca68e4b0109eefb34f7571c5acdc14944eaebdf8b1f

        • C:\LMPupdate\set\unpakedree.exe

          MD5

          397a93800d56a2308bffc872d4a08032

          SHA1

          6f5334d51195a521e8a03f0e05ac777b96c77bc4

          SHA256

          efe3abcfde6e9846a99049a68e6a38d0bc42baa3ac1cf6f236c894abef0a7720

          SHA512

          7fc7b6c8ffe640295085cab4e56ba4c3eea9738a2c9fa27d1032fd60bb3a638e93cd2522058b6212dd7237366510a83c7d1d9b3cbd5f9712852c72959ace53eb

        • C:\LMPupdate\set\unpakedree.exe

          MD5

          397a93800d56a2308bffc872d4a08032

          SHA1

          6f5334d51195a521e8a03f0e05ac777b96c77bc4

          SHA256

          efe3abcfde6e9846a99049a68e6a38d0bc42baa3ac1cf6f236c894abef0a7720

          SHA512

          7fc7b6c8ffe640295085cab4e56ba4c3eea9738a2c9fa27d1032fd60bb3a638e93cd2522058b6212dd7237366510a83c7d1d9b3cbd5f9712852c72959ace53eb

        • C:\LMPupdate\set\x0329847998

          MD5

          a5a4cc669d306e9b25ae2202e1ccc565

          SHA1

          4e8e841ba4915641f989a061f092f95f9070d164

          SHA256

          3da185d70e391a0449a2e86823e181ca35f5356306a856701ec92cfee639c705

          SHA512

          5398c3722d4c6119d9a033558ca6fe0d57735b8259b4907cf1844ba2921e48ffad1ae9f1dcc760158857c6fb13572cb4dd897ee6f6c260efce247b2b793b0216

        • C:\LMPupdate\set\xc829374091FD.exe

          MD5

          a8d1d7e6c60c73faf55d64e724e97aa7

          SHA1

          9c0e3ff55ede8ad1e3a3e0eb8ff9ab467469f687

          SHA256

          5624eea08b241314b8bd13ee9429449c53085a6bb2bcc481655f1f28b4314122

          SHA512

          237507eef8f19f0f99dc15d30d43ec202963e00cb735902ac7304eb6cc8f658ab9db2b7952b94f082441a020725002dbf103dfc919e29235c87430fa19942df1

        • C:\LMPupdate\set\xc829374091FD.exe

          MD5

          a8d1d7e6c60c73faf55d64e724e97aa7

          SHA1

          9c0e3ff55ede8ad1e3a3e0eb8ff9ab467469f687

          SHA256

          5624eea08b241314b8bd13ee9429449c53085a6bb2bcc481655f1f28b4314122

          SHA512

          237507eef8f19f0f99dc15d30d43ec202963e00cb735902ac7304eb6cc8f658ab9db2b7952b94f082441a020725002dbf103dfc919e29235c87430fa19942df1

        • C:\LMPupdate\set\xc829374091FD.exe

          MD5

          a8d1d7e6c60c73faf55d64e724e97aa7

          SHA1

          9c0e3ff55ede8ad1e3a3e0eb8ff9ab467469f687

          SHA256

          5624eea08b241314b8bd13ee9429449c53085a6bb2bcc481655f1f28b4314122

          SHA512

          237507eef8f19f0f99dc15d30d43ec202963e00cb735902ac7304eb6cc8f658ab9db2b7952b94f082441a020725002dbf103dfc919e29235c87430fa19942df1

        • C:\Users\Admin\AppData\Local\Temp\175g199i3_1.exe

          MD5

          a8d1d7e6c60c73faf55d64e724e97aa7

          SHA1

          9c0e3ff55ede8ad1e3a3e0eb8ff9ab467469f687

          SHA256

          5624eea08b241314b8bd13ee9429449c53085a6bb2bcc481655f1f28b4314122

          SHA512

          237507eef8f19f0f99dc15d30d43ec202963e00cb735902ac7304eb6cc8f658ab9db2b7952b94f082441a020725002dbf103dfc919e29235c87430fa19942df1

        • C:\Users\Admin\AppData\Local\Temp\175g199i3_1.exe

          MD5

          a8d1d7e6c60c73faf55d64e724e97aa7

          SHA1

          9c0e3ff55ede8ad1e3a3e0eb8ff9ab467469f687

          SHA256

          5624eea08b241314b8bd13ee9429449c53085a6bb2bcc481655f1f28b4314122

          SHA512

          237507eef8f19f0f99dc15d30d43ec202963e00cb735902ac7304eb6cc8f658ab9db2b7952b94f082441a020725002dbf103dfc919e29235c87430fa19942df1

        • \LMPupdate\set\unpakedree.exe

          MD5

          397a93800d56a2308bffc872d4a08032

          SHA1

          6f5334d51195a521e8a03f0e05ac777b96c77bc4

          SHA256

          efe3abcfde6e9846a99049a68e6a38d0bc42baa3ac1cf6f236c894abef0a7720

          SHA512

          7fc7b6c8ffe640295085cab4e56ba4c3eea9738a2c9fa27d1032fd60bb3a638e93cd2522058b6212dd7237366510a83c7d1d9b3cbd5f9712852c72959ace53eb

        • \LMPupdate\set\xc829374091FD.exe

          MD5

          a8d1d7e6c60c73faf55d64e724e97aa7

          SHA1

          9c0e3ff55ede8ad1e3a3e0eb8ff9ab467469f687

          SHA256

          5624eea08b241314b8bd13ee9429449c53085a6bb2bcc481655f1f28b4314122

          SHA512

          237507eef8f19f0f99dc15d30d43ec202963e00cb735902ac7304eb6cc8f658ab9db2b7952b94f082441a020725002dbf103dfc919e29235c87430fa19942df1

        • \LMPupdate\set\xc829374091FD.exe

          MD5

          a8d1d7e6c60c73faf55d64e724e97aa7

          SHA1

          9c0e3ff55ede8ad1e3a3e0eb8ff9ab467469f687

          SHA256

          5624eea08b241314b8bd13ee9429449c53085a6bb2bcc481655f1f28b4314122

          SHA512

          237507eef8f19f0f99dc15d30d43ec202963e00cb735902ac7304eb6cc8f658ab9db2b7952b94f082441a020725002dbf103dfc919e29235c87430fa19942df1

        • \Users\Admin\AppData\Local\Temp\175g199i3_1.exe

          MD5

          a8d1d7e6c60c73faf55d64e724e97aa7

          SHA1

          9c0e3ff55ede8ad1e3a3e0eb8ff9ab467469f687

          SHA256

          5624eea08b241314b8bd13ee9429449c53085a6bb2bcc481655f1f28b4314122

          SHA512

          237507eef8f19f0f99dc15d30d43ec202963e00cb735902ac7304eb6cc8f658ab9db2b7952b94f082441a020725002dbf103dfc919e29235c87430fa19942df1

        • memory/468-78-0x0000000000000000-mapping.dmp

        • memory/480-101-0x0000000000000000-mapping.dmp

        • memory/512-82-0x0000000000000000-mapping.dmp

        • memory/552-61-0x0000000000000000-mapping.dmp

        • memory/556-71-0x0000000000000000-mapping.dmp

        • memory/636-81-0x0000000000000000-mapping.dmp

        • memory/656-77-0x0000000000000000-mapping.dmp

        • memory/816-102-0x0000000000000000-mapping.dmp

        • memory/996-68-0x0000000000000000-mapping.dmp

        • memory/1084-65-0x0000000000000000-mapping.dmp

        • memory/1092-87-0x0000000000000000-mapping.dmp

        • memory/1260-119-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

          Filesize

          24KB

        • memory/1276-74-0x0000000000000000-mapping.dmp

        • memory/1384-83-0x0000000000000000-mapping.dmp

        • memory/1592-99-0x00000000003F0000-0x00000000003F1000-memory.dmp

          Filesize

          4KB

        • memory/1592-98-0x00000000002B0000-0x00000000002BD000-memory.dmp

          Filesize

          52KB

        • memory/1592-89-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1592-97-0x00000000002A0000-0x00000000002A1000-memory.dmp

          Filesize

          4KB

        • memory/1592-96-0x0000000000230000-0x0000000000296000-memory.dmp

          Filesize

          408KB

        • memory/1592-100-0x00000000004A0000-0x00000000004AC000-memory.dmp

          Filesize

          48KB

        • memory/1592-95-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/1592-90-0x00000000004015C6-mapping.dmp

        • memory/1592-112-0x0000000000490000-0x0000000000491000-memory.dmp

          Filesize

          4KB

        • memory/1600-116-0x0000000000000000-mapping.dmp

        • memory/1692-94-0x0000000000000000-mapping.dmp

        • memory/1712-107-0x00000000000D0000-0x000000000020E000-memory.dmp

          Filesize

          1.2MB

        • memory/1712-106-0x0000000076ED0000-0x0000000077050000-memory.dmp

          Filesize

          1.5MB

        • memory/1712-111-0x0000000000420000-0x000000000042C000-memory.dmp

          Filesize

          48KB

        • memory/1712-105-0x0000000073D61000-0x0000000073D63000-memory.dmp

          Filesize

          8KB

        • memory/1712-114-0x0000000000920000-0x00000000009A0000-memory.dmp

          Filesize

          512KB

        • memory/1712-103-0x0000000000000000-mapping.dmp

        • memory/1872-67-0x0000000000000000-mapping.dmp

        • memory/1888-60-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/1888-59-0x0000000075161000-0x0000000075163000-memory.dmp

          Filesize

          8KB

        • memory/2044-93-0x0000000000000000-mapping.dmp