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Analysis

  • max time kernel
    140s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2025, 10:23

General

  • Target

    2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe

  • Size

    230KB

  • MD5

    746a94d778e8bae288248dcd88ac80a7

  • SHA1

    da6138b396ab12688bd4037a3f23639af8367f2f

  • SHA256

    002691ac8ba3d1fd9e7c59fd0c44b759aec4a49ca421a17f764e7c6e12b5dd25

  • SHA512

    27a7f0384ecd4151cd4fb89c2921a87ee76e91cfe8b9ce6dd95a5ada2059293b10061d33ed6c9f172b0a56ac804d2f06c6bc5707f558e49509c44bbde61c84ab

  • SSDEEP

    6144:aeB/6F8/8+KGf+oUVBDyM3cLpXVYYCimgpPmfgN+r:aeB/WK+bBmJpXqX+BN+

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.

  • 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).

  • 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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-02_746a94d778e8bae288248dcd88ac80a7_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Users\Admin\AppData\Local\Temp\rCHQXH.exe
      C:\Users\Admin\AppData\Local\Temp\rCHQXH.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:1948
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1c5b01b6.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VC9D6Q93\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\1c5b01b6.bat

    Filesize

    187B

    MD5

    5b6d84eca7176f0f38ab0c743f43025a

    SHA1

    6dca8bdc9008e07c54a445832138cdb3c7bcf4db

    SHA256

    08b3d42275b7a18fd09fb3feb2b2c4d5c990dff9a10f63ccb80cb9b6630d09ba

    SHA512

    9aebb36818b87a8f6d48f18e7ea9aba098606b0dbcd4db73033032a7fa392be1c7999729540da044fe1115f0f7d8042ae264463dca6a33cf13bea3f0c7a8b000

  • C:\Users\Admin\AppData\Local\Temp\36CD1BE4.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1948-5-0x0000000000F00000-0x0000000000F09000-memory.dmp

    Filesize

    36KB

  • memory/1948-45-0x0000000000F00000-0x0000000000F09000-memory.dmp

    Filesize

    36KB

  • memory/4648-0-0x0000000000400000-0x000000000049F000-memory.dmp

    Filesize

    636KB

  • memory/4648-47-0x0000000000400000-0x000000000049F000-memory.dmp

    Filesize

    636KB