Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 03:20

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 4 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 30 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 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:4784
    • 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
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1160
      • 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:372
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3cc351f7.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:868
      • C:\Users\Admin\AppData\Local\Temp\3582-490\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18eSrv.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\c1ebd4c1595fa80d6521320a9500d22b55693bd7ce20af58492a1018b8ccf18eSrv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3472
        • 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:5028
          • 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:3804
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3804 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:8

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

    11d14077869dba67110eb7f6cae1b120

    SHA1

    f05e6bb7204a6e0efff37eedf3447eedc5de7b84

    SHA256

    d59818a872b22bd33909691c19daaf807ac7042fc6897dea5ba296d02530f39e

    SHA512

    9b62bb5f3e777e67ce440ca88f81e5e215443ad2c679b076d10a0534e816853340589d8d8e5e36fc53d60efe4dd5c0537e0fdf011064d1f8ff2c2dbffc2c992d

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

    Filesize

    404B

    MD5

    ed2a8e0f831f98c9af13f9c29d75f089

    SHA1

    87815dacbbb36f9b42aae9a30ed1bc0cc60ea9e8

    SHA256

    c5458e99074b82c5b48c84275fdd30cd6db04ceac4ad6b67a90a25b909defd47

    SHA512

    26a4699b9c955e391f3bd9717bff477d2a439bc6beb10adff227fe94e7a1ebfbdb3eb528655ee1fbf0ae22827e792d71ea4862d8d7adabad072bd7aba23e6a5d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\04DB59DC.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\3cc351f7.bat

    Filesize

    191B

    MD5

    ed02a5ce4c95febd60bc204455617534

    SHA1

    1fdb120f959cf72cca9ae05aa72dbe87b6fdc506

    SHA256

    93f5683c1908c25bec3eba375956458011c733e14462622d9bb4bffcc8d96bab

    SHA512

    bb96f390156d105a88e204e08ef9358e27880b8c2c806c756ba9e10f27f5f14aadc057fcda8bbcd39b9ca9b59754875866afc56dcd9492c35e07c8e942e19d7b

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/372-18-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

    Filesize

    36KB

  • memory/372-125-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

    Filesize

    36KB

  • memory/1160-188-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/1160-13-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/3472-23-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3472-26-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3472-25-0x0000000000550000-0x000000000055F000-memory.dmp

    Filesize

    60KB

  • memory/4784-140-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4784-159-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4784-124-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4784-177-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5028-32-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5028-33-0x0000000000560000-0x0000000000561000-memory.dmp

    Filesize

    4KB