Analysis

  • max time kernel
    140s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 15:20

General

  • Target

    32632cdff37e9ab8a93c2b319cd1cdb72cb1a50d8a6fbd26f50e728c1668de1d.exe

  • Size

    11.5MB

  • MD5

    fbba3c08451865ec3056255931119d59

  • SHA1

    11a0719d322087078549228bbd339631a75ab627

  • SHA256

    32632cdff37e9ab8a93c2b319cd1cdb72cb1a50d8a6fbd26f50e728c1668de1d

  • SHA512

    fa16fca67f0dfdca672d5161c530859a885ba5b8eaa9f4e2682ca5a5d30b9e1d6240f77762d3006de1596b28311f0a41048205d67799e97fa0bfd3ce8141874e

  • 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\32632cdff37e9ab8a93c2b319cd1cdb72cb1a50d8a6fbd26f50e728c1668de1d.exe
    "C:\Users\Admin\AppData\Local\Temp\32632cdff37e9ab8a93c2b319cd1cdb72cb1a50d8a6fbd26f50e728c1668de1d.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:2528
    • C:\Users\Admin\AppData\Local\Temp\ptXisJ.exe
      C:\Users\Admin\AppData\Local\Temp\ptXisJ.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\1ba4756b.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WUBCGJ0A\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\0C7A03D2.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\1ba4756b.bat

    Filesize

    187B

    MD5

    d9921ba4ed7a42e3169b3f2ab81c956f

    SHA1

    40ba3d811ea4b9be67a1533c3a42c99cdce25b78

    SHA256

    71052c2423ee6a14fc54b7f08689e0746674b07fd1836314f78a5131945b177a

    SHA512

    40b81a8550761ec5d85c85e2f18a67d067e2c9b354c41d28084d0d7b53c90bf44a3de9e738a02af7df528a84adedcef03da26ada96057917cd51f03db3b00ff7

  • \Users\Admin\AppData\Local\Temp\ptXisJ.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2272-63-0x0000000000A00000-0x0000000000A09000-memory.dmp

    Filesize

    36KB

  • memory/2272-11-0x0000000000A00000-0x0000000000A09000-memory.dmp

    Filesize

    36KB

  • memory/2528-65-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-68-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-17-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-18-0x0000000010000000-0x0000000010116000-memory.dmp

    Filesize

    1.1MB

  • memory/2528-15-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-14-0x0000000077D50000-0x0000000077D52000-memory.dmp

    Filesize

    8KB

  • memory/2528-10-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2528-12-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2528-9-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-66-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-67-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-16-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-69-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-70-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-71-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-72-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-73-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2528-74-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-75-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-76-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-77-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-78-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-79-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2528-80-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB