Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 15:18

General

  • Target

    8d0dbd66ca7faf9ca9694abe3a4dcd16b879cf5fe098f98b8684d4c85e97a3a3.exe

  • Size

    11.5MB

  • MD5

    02454b345201877b5be772496d7e7c53

  • SHA1

    1cbdca3c61f76600b4d381ad5194089279706db5

  • SHA256

    8d0dbd66ca7faf9ca9694abe3a4dcd16b879cf5fe098f98b8684d4c85e97a3a3

  • SHA512

    ce16c022fe64ed66be259ad1639d27635c615f70b93ba19d6758ea91bc35cc97c5ab419c5010bd783f9b234ab2b9b256461031dd27a4ddd444871db7d2914b39

  • SSDEEP

    196608:FAQuVH3M82sRhWphk2XmH24Wgf7TInXinHuE50PbdtwsmrKVveZleGxzLVyyqg:GLxM8r22PvInXinHuK0xCKVvetRVl

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 IoCs

    Bdaejec is backdoor written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Themida packer 19 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d0dbd66ca7faf9ca9694abe3a4dcd16b879cf5fe098f98b8684d4c85e97a3a3.exe
    "C:\Users\Admin\AppData\Local\Temp\8d0dbd66ca7faf9ca9694abe3a4dcd16b879cf5fe098f98b8684d4c85e97a3a3.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\hVziHr.exe
      C:\Users\Admin\AppData\Local\Temp\hVziHr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1896
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\4b1b0932.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LPQ313RR\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\3FA05EA3.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\4b1b0932.bat

    Filesize

    187B

    MD5

    ec3e82f29ea9c9cef0fdf75a95a39cc3

    SHA1

    d3d6cd7e3f516acf8389aaa64e5ffbc60ccf71d3

    SHA256

    52b31ef49e4e0539f770e0ebdff4d3c3cb2645ff0164b29e90e8b79e7b47bb67

    SHA512

    d7ad2c7d767e37efd5fc1ad81150ebb5b79528016292890bc6dac1ce6419a28f76b1f2d91b4555834615b219558f811c9df2c269a1043ce0bdd05894fd02e02e

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1896-64-0x0000000000B60000-0x0000000000B69000-memory.dmp

    Filesize

    36KB

  • memory/1896-11-0x0000000000B60000-0x0000000000B69000-memory.dmp

    Filesize

    36KB

  • memory/2000-16-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-68-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-17-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-18-0x0000000010000000-0x0000000010116000-memory.dmp

    Filesize

    1.1MB

  • memory/2000-24-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-14-0x0000000077A50000-0x0000000077A52000-memory.dmp

    Filesize

    8KB

  • memory/2000-9-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-12-0x00000000002B0000-0x00000000002B9000-memory.dmp

    Filesize

    36KB

  • memory/2000-10-0x00000000002B0000-0x00000000002B9000-memory.dmp

    Filesize

    36KB

  • memory/2000-66-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-67-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-15-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-69-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-70-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-71-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-72-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-73-0x00000000002B0000-0x00000000002B9000-memory.dmp

    Filesize

    36KB

  • memory/2000-74-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-75-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-76-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-77-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-78-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-79-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2000-80-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB