Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2024 16:09

General

  • Target

    e4a719c3efa888ae091f47a3780b88bb55d7ec53e69beed192100ac2a83efedf.exe

  • Size

    11.5MB

  • MD5

    962cb1ff9baee7c0a3e46fb76f4fa3cb

  • SHA1

    62d96fc4bd2ed1389a28012876b5d3976243ff39

  • SHA256

    e4a719c3efa888ae091f47a3780b88bb55d7ec53e69beed192100ac2a83efedf

  • SHA512

    7a3a399aea61c3fdbc833819c6cb0d7f3cecdc93fa3424b860d0df23e09daa5e63f4684a295750424d0a38e0e113fa50b5dd6b5fc0ff0f26827f1ce249997263

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4a719c3efa888ae091f47a3780b88bb55d7ec53e69beed192100ac2a83efedf.exe
    "C:\Users\Admin\AppData\Local\Temp\e4a719c3efa888ae091f47a3780b88bb55d7ec53e69beed192100ac2a83efedf.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\dziAyq.exe
      C:\Users\Admin\AppData\Local\Temp\dziAyq.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:3312
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2cb57188.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\2cb57188.bat

    Filesize

    187B

    MD5

    9ac34a19c73356f6fcb0f1b5befab1f3

    SHA1

    779f62a88419d64bd5c958cb8ba5ae60658f5e5f

    SHA256

    47ff2102867abfb658997fa3e5aa737745252c71f46ca842b885ea973f1433a0

    SHA512

    18a492a33eda93f59aa6b39265171373b22f966eaf02e60939a5e0c59150945c161ff4fb4b0155e7947a700226b90de8c26da97d17b1fa4db622bb98ec8cb367

  • C:\Users\Admin\AppData\Local\Temp\745602EF.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2648-57-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-65-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-18-0x0000000010000000-0x0000000010116000-memory.dmp

    Filesize

    1.1MB

  • memory/2648-10-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-8-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-7-0x00000000771E4000-0x00000000771E6000-memory.dmp

    Filesize

    8KB

  • memory/2648-71-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-70-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-5-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-58-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-59-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-60-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-61-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-62-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-63-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-64-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-9-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-66-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-67-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-68-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/2648-69-0x0000000000400000-0x00000000016E2000-memory.dmp

    Filesize

    18.9MB

  • memory/3312-6-0x00000000009F0000-0x00000000009F9000-memory.dmp

    Filesize

    36KB

  • memory/3312-55-0x00000000009F0000-0x00000000009F9000-memory.dmp

    Filesize

    36KB