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Analysis

  • max time kernel
    150s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2024, 08:47

General

  • Target

    0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe

  • Size

    3.1MB

  • MD5

    26419b8638cc404a7556f5b061bc545b

  • SHA1

    5be04a973d3e2be6cfd533beb6498ba9a569b0b7

  • SHA256

    0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071

  • SHA512

    ef63b26052663756d8f0161fcc619fbe3cc4bc24cea30f1a0d533bbd3417b1558f24bdbb924f86e3444f9270f90c1272cf938d799407a409c786d25ebfc5a5cb

  • SSDEEP

    49152:KCwsbCANnKXferL7Vwe/Gg0P+Whpt/FuvI7oIb:dws2ANnKXOaeOgmhpt/kw77b

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Detects Bdaejec Backdoor. 2 IoCs

    Bdaejec is backdoor written in C++.

  • Gh0st RAT payload 6 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe
    "C:\Users\Admin\AppData\Local\Temp\0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2240
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3068
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:1184
    • C:\Users\Admin\AppData\Local\Temp\HD_0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe
      C:\Users\Admin\AppData\Local\Temp\HD_0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Users\Admin\AppData\Local\Temp\kNBcNV.exe
        C:\Users\Admin\AppData\Local\Temp\kNBcNV.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\6c1e2996.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2092
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2260
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259508879.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3036
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:2780

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NT668XG4\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\1F515905.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\6c1e2996.bat

      Filesize

      187B

      MD5

      d86431f9a9fbb92a0365993d18f44e02

      SHA1

      a7db3b6953595393678ed58016e53a8d7940f32c

      SHA256

      bc9a0656696403268454b5cf5708c2e04e8520e0b2d6463bcc2869183f1c1d5e

      SHA512

      baaa92201baf584463741ea2f80d2141cb087db0c1a4d69c4ec10dd3d8aa95a6c65b05067ecd6680c876bb0fc2475ee61d87398da5d969d9474e860d83c7dc68

    • C:\Users\Admin\AppData\Local\Temp\HD_0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe

      Filesize

      676KB

      MD5

      8a7cf6433ebacb67ecd52e5c8f465673

      SHA1

      8f8971d8d29725a488fb39ea18c01219df9b99d8

      SHA256

      2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9

      SHA512

      bf6c3f3ff9ab6eb24d0a25f5a0553ce7ba75cb566bd485ddee46c78463b9f395e75b6f54b33f8decefcfdf36d1b51482a9b0db60d6c9cddde6078e6963925da9

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      2.4MB

      MD5

      f0a1e2cd263c93ea7ad7d0906c67d789

      SHA1

      e9d4fa908e8e8e070b16798a389b0eccc84787bd

      SHA256

      0686b37e10ed42c2e324095b68ec3e3f25e5756ce14c4aed56ce4803a3fb4782

      SHA512

      72c08e9ab5baab50d7c50188f8f739f07d1741441a2b7c41686452a03c73086aba61fd6cbad2c3055402d1e9ba34ffda42908e2c1d843fe9c96961929bfce358

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • \Users\Admin\AppData\Local\Temp\R.exe

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Users\Admin\AppData\Local\Temp\kNBcNV.exe

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • \Windows\SysWOW64\259508879.txt

      Filesize

      899KB

      MD5

      fd5f3410a782e1df1983296844b740b7

      SHA1

      b050e1548572b61fb4a365ec5796fe5d92d99975

      SHA256

      a8c2bd984a18f040b0f02acb41e8c97f839edc7da5819219fe40c8aacdd4917e

      SHA512

      9e1d835dcf533483b2a743eec42266dc5ed9812dec1f54f3c8a24f5c396aa27b471a45b31adfbda51f87affb3ce7f1ea5fdb04baa9c3edb840a314847d8f18ff

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2708-112-0x0000000000190000-0x0000000000199000-memory.dmp

      Filesize

      36KB

    • memory/2708-61-0x0000000000190000-0x0000000000199000-memory.dmp

      Filesize

      36KB

    • memory/2780-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2780-62-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2780-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2820-42-0x0000000002D30000-0x0000000002EE5000-memory.dmp

      Filesize

      1.7MB

    • memory/2820-114-0x0000000002D30000-0x0000000002EE5000-memory.dmp

      Filesize

      1.7MB

    • memory/2928-115-0x0000000000E60000-0x0000000001015000-memory.dmp

      Filesize

      1.7MB

    • memory/2928-45-0x0000000000E60000-0x0000000001015000-memory.dmp

      Filesize

      1.7MB

    • memory/2928-59-0x0000000000080000-0x0000000000089000-memory.dmp

      Filesize

      36KB

    • memory/2928-60-0x0000000000080000-0x0000000000089000-memory.dmp

      Filesize

      36KB

    • memory/2928-128-0x0000000000080000-0x0000000000089000-memory.dmp

      Filesize

      36KB

    • memory/2928-127-0x0000000000080000-0x0000000000089000-memory.dmp

      Filesize

      36KB

    • memory/2964-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2964-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2964-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB