Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2024 18:25

General

  • Target

    2024-12-28_6d80d7e66b3d14945dcbd6f17bdc745b_smoke-loader_wapomi.exe

  • Size

    988KB

  • MD5

    6d80d7e66b3d14945dcbd6f17bdc745b

  • SHA1

    1431d18d13fd7336dffc7391113f7a889343a581

  • SHA256

    5e579a4cf3609565399915a1f1f2d85e2361ef0f1e2fe01b9c57f97bc035e58c

  • SHA512

    335801b38c9614b9e8c62930979784d82687e0fc58d7154e36ad3d5a50138af56e81e5ced2c1944ed6c1eb93b94fbfb8ab8b52e6d25dc94c3b4fbdede0cae354

  • SSDEEP

    24576:Hbi/QhDC8mY93kyw8hC2A5CxLbRpWrzzZyP4UMd0I7:W/QMnl5YL7WzZyQRd

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 4 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-28_6d80d7e66b3d14945dcbd6f17bdc745b_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-28_6d80d7e66b3d14945dcbd6f17bdc745b_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\HjNzdppG.exe
      C:\Users\Admin\AppData\Local\Temp\HjNzdppG.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:4912
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\17de5ade.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c echo 1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\17de5ade.bat

    Filesize

    191B

    MD5

    7a6a2753b0d1edb80ff27a3349eb6dd8

    SHA1

    3ac155b01516c4653dcd150b7fdc7ec8c73dac37

    SHA256

    8c5eee60d06f563d66325a6ceb54298809e4fa792b1e3b6efb1d8c753741cecd

    SHA512

    01b55b75d154df110b928da05fa6683d2f954e2342be085ab1b12e2ec616391af623d29ec7f286ed667e1b9e1002efd12c3da985a97a59cbff737bcf867b66b0

  • C:\Users\Admin\AppData\Local\Temp\3AB22CE2.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1376-0-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB

  • memory/1376-50-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB

  • memory/4912-4-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

    Filesize

    36KB

  • memory/4912-48-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

    Filesize

    36KB