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
    22-11-2024 07:29

General

  • Target

    d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe

  • Size

    2.0MB

  • MD5

    620a13621d019f9c701d3bc1222050ec

  • SHA1

    de765d5cbfd9d11fc00ea86bc48fad173e188df3

  • SHA256

    d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd

  • SHA512

    d1364a9e53e890ef26ae67cea48d939fa56d5ab2b4f84031c25c880571134d4c45879110e16bc561ba63aab28e49744c0217f08f25ef4e8d7e497e7221fcc145

  • SSDEEP

    49152:XgtB57UF2mb+j5mhKbFMXCLAWzKQT27JSPdoclPuw:75CIKbGXCLA2TkJSVoclP

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++.

  • 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 1 IoCs
  • 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 3 IoCs

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

  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
    "C:\Users\Admin\AppData\Local\Temp\d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Users\Admin\AppData\Local\Temp\WwfujA.exe
      C:\Users\Admin\AppData\Local\Temp\WwfujA.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1b780e27.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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\Temp\1b780e27.bat

    Filesize

    187B

    MD5

    8e82155984e846d6f11fddbe66293c72

    SHA1

    1c6d889bf77c3f4520ccbc18876097d2f752b4bb

    SHA256

    0ad90f2bb4699697ad6a3818fccb32072984bee9e7148e44c7585acd34199087

    SHA512

    e4783d2046cd2a1c22401916a7bb121892d347ef983440e17c8593d503f604b07826acc65b2afdd40f6b656c39455b2d81b0d58e7d1269c9f3d3a4077ec07eae

  • C:\Users\Admin\AppData\Local\Temp\74B45831.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1080-4-0x00000000002D0000-0x00000000002D9000-memory.dmp

    Filesize

    36KB

  • memory/1080-46-0x00000000002D0000-0x00000000002D9000-memory.dmp

    Filesize

    36KB

  • memory/1832-0-0x0000000000830000-0x0000000000A4A000-memory.dmp

    Filesize

    2.1MB

  • memory/1832-48-0x0000000000830000-0x0000000000A4A000-memory.dmp

    Filesize

    2.1MB

  • memory/1832-49-0x0000000000830000-0x0000000000A4A000-memory.dmp

    Filesize

    2.1MB