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Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 8 IoCs

    Detect PurpleFox Rootkit.

  • Detects Bdaejec Backdoor. 2 IoCs

    Bdaejec is backdoor written in C++.

  • Gh0st RAT payload 9 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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 13 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 2 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 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe
    "C:\Users\Admin\AppData\Local\Temp\0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:740
    • 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:1296
    • 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:2596
      • 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:4340
        • 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:1276
    • C:\Users\Admin\AppData\Local\Temp\HD_0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe
      C:\Users\Admin\AppData\Local\Temp\HD_0a07b61e9add82bfe0a03e4d9b5dce1679d944f3042f9650e38c7c94a3dc7071.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:408
      • C:\Users\Admin\AppData\Local\Temp\kNBcNV.exe
        C:\Users\Admin\AppData\Local\Temp\kNBcNV.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3928
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\378c2ce9.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1536
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1628
    • 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:456
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240624953.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2880
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3824
      • 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:2448

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\378c2ce9.bat

      Filesize

      187B

      MD5

      46ecf81e96c44cd59e0a45d6cc4ea358

      SHA1

      4b7ded5e0fa048f4159dda4e08db97f120bf644a

      SHA256

      f972c7c485b59aa452be3db9f8a95b2193633ed64647c6978e8945a467bbb52c

      SHA512

      a2fe7a981aeda16002c22cf07dcc95ecffebdd5d54d747b44ad3a70699bd7fcea031b91f6d05165971748ea9e1f8c55f57960cfb199c5346cce8030b8c5ec19f

    • C:\Users\Admin\AppData\Local\Temp\5BAB7B80.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • 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

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • C:\Users\Admin\Desktop\EditConfirm.exe

      Filesize

      3.0MB

      MD5

      f6064c9034d04a2cccb0f321dcf8f891

      SHA1

      2ca7ed7fe4f5dda19f49d474eff523943b24ae96

      SHA256

      14eff2b9e0657f5e378ca2bebde99f93f6ac0d65d442b318d0e96a87d926f5b9

      SHA512

      d2178269155fec5d073233b71f09bca3593e271be72573733f5c5cc46f077aa27a313bcb5a56b7af74259cb4cb8d0be92ead7f63c3862b8190493a9bc6338592

    • C:\Windows\SysWOW64\240624953.txt

      Filesize

      899KB

      MD5

      fd5f3410a782e1df1983296844b740b7

      SHA1

      b050e1548572b61fb4a365ec5796fe5d92d99975

      SHA256

      a8c2bd984a18f040b0f02acb41e8c97f839edc7da5819219fe40c8aacdd4917e

      SHA512

      9e1d835dcf533483b2a743eec42266dc5ed9812dec1f54f3c8a24f5c396aa27b471a45b31adfbda51f87affb3ce7f1ea5fdb04baa9c3edb840a314847d8f18ff

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/408-100-0x0000000000A70000-0x0000000000C25000-memory.dmp

      Filesize

      1.7MB

    • memory/408-34-0x0000000000A70000-0x0000000000C25000-memory.dmp

      Filesize

      1.7MB

    • memory/2448-50-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2448-51-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2448-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2596-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2596-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2596-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2596-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3824-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3824-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3824-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3928-44-0x00000000008C0000-0x00000000008C9000-memory.dmp

      Filesize

      36KB

    • memory/3928-94-0x00000000008C0000-0x00000000008C9000-memory.dmp

      Filesize

      36KB