Analysis

  • max time kernel
    52s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 01:02

General

  • Target

    c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18e.exe

  • Size

    868KB

  • MD5

    3f64df9616321b718366e70eab655e0c

  • SHA1

    9cb754e4471a26957f5aad0e37a3c705358fbde2

  • SHA256

    c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18e

  • SHA512

    cf092a45b0182df00781bed1912215c5555ac8c877abf24a5277126cb6838c0b8c9325af45993ff9471c73c589f141f9a7e447fa07badb925e26510837d2c678

  • SSDEEP

    24576:MNjTaxN/1+N7zOQr3mYCFY7Mk2xT+2n/S225E2Y22222Gxqz8uRHYbJ2d2hgZgFU:Hx2N7qM3mvnZe

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18e.exe
    "C:\Users\Admin\AppData\Local\Temp\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18e.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18e.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1496
      • C:\Users\Admin\AppData\Local\Temp\OMmJKXpD.exe
        C:\Users\Admin\AppData\Local\Temp\OMmJKXpD.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:2416
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6f9d2d87.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3620
      • C:\Users\Admin\AppData\Local\Temp\3582-490\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18eSrv.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18eSrv.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4376
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5004
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3564
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3564 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    5cdba0b951b215a32f9053da8eed5d75

    SHA1

    5bcaf283c5b7a740bc804a393298d6cf4f0ba4c7

    SHA256

    5db4ebeed80b2c5b5e17e1f7ddc01139ee151ff2b398250393d8d30d3bbf1118

    SHA512

    7471c506a63bc00edb959edc7b74b42af565c99297252348a6edd5ef1036ad7885f2ee3d5fad141400a549741980fe8f08c9a00a743bd696913e536d76c91d10

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    1c07f429b519cbe43ae0ff8869b5d378

    SHA1

    e8ee25f0d7531e94b455256795e4d28c1bd61d99

    SHA256

    edaba068023877aa9beac77f236701469a44bf5d6f19fbe81df5686f797faa43

    SHA512

    b4e87ed3a511abbfc93f4506137136bf08db0a76bcccc6ef8289a3a64eb5bee37a39fb080d64aea297d8cd5a2a15e8def790e1d1616c273a6e778a6431ff508b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\2FD52DA6.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18e.exe

    Filesize

    828KB

    MD5

    05d4c9a45a77e6862739fc5f29aab804

    SHA1

    957ce7ecbe85f7f97bfe5666a54da16b65fdb195

    SHA256

    85eaed0badd9c8ce2dde8ef3427c942f01b9fbd014e86e911bdcdfe62ea09370

    SHA512

    aee6213e95bbe62536e615153602bb4025235cd82e3c386392d2a094682aa15c32705a9ea1b142c20c665f6a7bb2fab47499e0dddd24a60f6275b7e6c6d8e77f

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18eSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\6f9d2d87.bat

    Filesize

    191B

    MD5

    aae294dc0bcba4a536b6fc63a5dd32fc

    SHA1

    aaff1f8c3f907a776b2959520311e363a38ab803

    SHA256

    7396b5f49f5e2d7042ee9e5f6c4dab6179f7b362e34b031b148e9188031d4781

    SHA512

    cb9556672b2b9dd3efc3a33555615544b04ad5f188d13b9cd145ed82bbef1a65d05055894bb3396630b56c478153e839959654e1c7750fc65e4937efe045485a

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • C:\Users\Admin\AppData\Local\Temp\~DF89EC384C9E6DFDD3.TMP

    Filesize

    16KB

    MD5

    5cffc678dc5663d6b07e601b8ec39613

    SHA1

    8d3899b7d97b50f00f2fd47016daa64713b42ee7

    SHA256

    be539777bc82f71cb84db16940d05f126f1a88f5d8f0e4a1455fc4482d77a79d

    SHA512

    634469ba4e9a0b5d7fe312f8e39f13b26e093af1c28cb5af224868811e6bfc1432aef1acc3dc2a69b0832445cb44859c51fe9e37165f399de3a4ea0f1b825f88

  • memory/1496-13-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2416-134-0x0000000000E20000-0x0000000000E29000-memory.dmp

    Filesize

    36KB

  • memory/2416-17-0x0000000000E20000-0x0000000000E29000-memory.dmp

    Filesize

    36KB

  • memory/4376-23-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4376-27-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4376-24-0x0000000000590000-0x000000000059F000-memory.dmp

    Filesize

    60KB

  • memory/4668-133-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4668-143-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4668-149-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4668-151-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5004-35-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5004-33-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5004-32-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB