Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250113-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    14/01/2025, 15:08

General

  • Target

    9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe

  • Size

    2.7MB

  • MD5

    14f6e66efcbcc6ef30286fa5c5be1697

  • SHA1

    ad99edce34103e6e0aa91e4794e96ecf08d5e306

  • SHA256

    9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a

  • SHA512

    b54b6ac29828b58557ab83c70fe9f0f4ad484b88add115e3c2db5ef31cc3e87a4f50d2740d1bbbb412a9bac324bf8da81bdf71863794c2f27908e0fe97285e3b

  • SSDEEP

    49152:UlFcqJWq7TVCfF92zMWGyBk4O1iVIQBzUcdm/ll:UlF1RCN92zMWGyg1DQ+c

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.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
    "C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\vvfUDpb.exe
      C:\Users\Admin\AppData\Local\Temp\vvfUDpb.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:3808
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\718e4a31.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5052
    • C:\Users\Admin\AppData\Local\Temp\nifLLJZGSNN8Kb.exe
      C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LF7XRTNW\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\4F9E248F.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\718e4a31.bat

    Filesize

    189B

    MD5

    041368cb166d2ad7bb9320feedc34470

    SHA1

    cd832fed10a5c3c67238d3655e13236539336099

    SHA256

    79916d826b94fd99765143718175606827162186d40decb1e23705c2ed5f7759

    SHA512

    2b76321ea7a16e1669fdc562e984218e88cac59d4f80abd12829b4b9d0b152bf893a72b840021ad08e20f787cd77b824bb8321bbd7e74d986ef453eaf9d81c46

  • C:\Users\Admin\AppData\Local\Temp\LoaderConfig.ini

    Filesize

    40B

    MD5

    fe72b3623c13699d9a4f86e14fa35e99

    SHA1

    f85e7593ee8ebab06fd03c76de9e0d45ce8eebbe

    SHA256

    fd26f2023b312ee0d8ce92f54d8377ca6bd331181fb13edf491578ab9c607d43

    SHA512

    7f9337224fc06ef763c034a9f21674da91b40da4c5b91108cd9938537dbf58d99249cccfa16c7b2a32407751a794ac78b8dc73ed4df2c0aca167504dc72bcda1

  • C:\Users\Admin\AppData\Local\Temp\nifLLJZGSNN8Kb.exe

    Filesize

    2.7MB

    MD5

    f592a89c65a39d7872e9135883a9888f

    SHA1

    af146736e5e0e2acc5953b57cb228dedb9686f8e

    SHA256

    7765f2bef25df79082e1f4e6971cad1403941038adbeb1a06608b20fffd99d4b

    SHA512

    e3c031ee64abd919577ed588e4cceaf3dae243481835097daab4af12e00d07ed33c37d903e73b5c25c6a1095d375b5561a5bbca7f8d276f6d0f65f533f87dfe4

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1508-0-0x00000000008D0000-0x0000000000B8C000-memory.dmp

    Filesize

    2.7MB

  • memory/1508-51-0x00000000008D0000-0x0000000000B8C000-memory.dmp

    Filesize

    2.7MB

  • memory/1508-61-0x00000000008D0000-0x0000000000B8C000-memory.dmp

    Filesize

    2.7MB

  • memory/3808-4-0x0000000000800000-0x0000000000809000-memory.dmp

    Filesize

    36KB

  • memory/3808-49-0x0000000000800000-0x0000000000809000-memory.dmp

    Filesize

    36KB