Overview

overview

10

Static

static

3

137fde2bb3...a8.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    33s
  • max time network
    10s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250210-en
  • resource tags

    arch:x64arch:x86image:win11-20250210-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-02-2025 15:35

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General

  • Target

    137fde2bb3da136cf0886186a666b14312ab5dfa6e3b2282cd1c2d973f34dba8.exe

  • Size

    128KB

  • MD5

    ada94052788e9bd57b4c1c35627f02e8

  • SHA1

    46fe848e41b11f832cf6377b760ef391af8963c0

  • SHA256

    137fde2bb3da136cf0886186a666b14312ab5dfa6e3b2282cd1c2d973f34dba8

  • SHA512

    106cff565aea313598a00008cba0691702508f900981f8481936e6d2c305dfc4a8cd7cd56ab0a4793a4eeba79c5f1a1acaa43523e14590411da3a8b05d594cf2

  • SSDEEP

    3072:1RXjDBVX92/j27T88Qq9BPNRRDXCuidiGCH:1VjDXYSnX9NvsN

Score
10/10
bdaejecaspackv2backdoordiscovery

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

    backdoorbdaejec
  • Bdaejec family
    bdaejec
  • 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

    aspackv2
  • 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 41 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\137fde2bb3da136cf0886186a666b14312ab5dfa6e3b2282cd1c2d973f34dba8.exe
    "C:\Users\Admin\AppData\Local\Temp\137fde2bb3da136cf0886186a666b14312ab5dfa6e3b2282cd1c2d973f34dba8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Users\Admin\AppData\Local\Temp\zAbUoM.exe
      C:\Users\Admin\AppData\Local\Temp\zAbUoM.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\71be4c44.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 308
      2⤵
      • Program crash
      PID:2248
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3924 -ip 3924
    1⤵
      PID:660
    • C:\Windows\system32\control.exe
      "C:\Windows\system32\control.exe" /name Microsoft.AdministrativeTools
      1⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:1984
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
      1⤵
      • System Location Discovery: System Language Discovery
      PID:4600
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{5BD95610-9434-43C2-886C-57852CC8A120} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /7
        2⤵
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2772
    • C:\Windows\system32\BackgroundTransferHost.exe
      "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
      1⤵
      • Modifies registry class
      PID:996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\68117959.exe
      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\68117959.exe
      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\71be4c44.bat
      Filesize

      187B

      MD5

      61e08592281edb842306276a0cae5bf3

      SHA1

      562e8d9192241ea58aadc973bbcc3b11e62c8d83

      SHA256

      1be39af28b5c50a7a54d34c20d7d7c5f6fa10932f7adcee56e74c77c77fd87ed

      SHA512

      f08de659328da44cdd9f0e321ebdad3255d01756246a5cf9dc7e4d863f933ca1b685b94e02e3a2bb2049b8431731a7ef02b0da7037efd6e048276b9e43ea09b8

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\zAbUoM.exe
      Filesize

      15KB

      MD5

      f7d21de5c4e81341eccd280c11ddcc9a

      SHA1

      d4e9ef10d7685d491583c6fa93ae5d9105d815bd

      SHA256

      4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

      SHA512

      e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

      Download Submit

    • memory/2772-63-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-60-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-61-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-62-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-64-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-65-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-53-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-55-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-54-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2772-59-0x000001EF2D6F0000-0x000001EF2D6F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3924-10-0x0000000000401000-0x0000000000407000-memory.dmp

      Filesize

      24KB

      Download

    • memory/3924-0-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

      Download

    • memory/3924-7-0x0000000002140000-0x0000000002155000-memory.dmp

      Filesize

      84KB

      Download

    • memory/3924-9-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

      Download

    • memory/3988-4-0x00000000005F0000-0x00000000005F9000-memory.dmp

      Filesize

      36KB

      Download

    • memory/3988-51-0x00000000005F0000-0x00000000005F9000-memory.dmp

      Filesize

      36KB

      Download