Analysis

  • max time kernel
    95s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 16:21

General

  • Target

    2024-12-26_aa9373ce469ccb6a65232c074f3d77ea_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    aa9373ce469ccb6a65232c074f3d77ea

  • SHA1

    85e45cfd7277a79c34de358aa441b84c75a13616

  • SHA256

    535b0b09a1f5af04d057e1c6d35d516a33db2831b27d1721ac1ca790d3fd236c

  • SHA512

    4932b5ae4eea3bea72f4b273a11514d6c5690a1461d76d1771fb90265a8efd25e4505962920a5b344221db44bacf9dc1e4765c82a9ea7fd561cf02f3a0afb33e

  • SSDEEP

    1536:RfnLq01weW5yX3jFxv49Nu4GhQ9eGCq2iW7z:Y3ysTGhQEGCH

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\2024-12-26_aa9373ce469ccb6a65232c074f3d77ea_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-26_aa9373ce469ccb6a65232c074f3d77ea_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4176
    • C:\Users\Admin\AppData\Local\Temp\eECKVO.exe
      C:\Users\Admin\AppData\Local\Temp\eECKVO.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:4676
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\681b243f.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\431A6E49.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\681b243f.bat

    Filesize

    187B

    MD5

    1dad849c67f1e15bf11811b389a5a889

    SHA1

    72f3a7d22b51d8a11aa31880cf4c47999c7e05ad

    SHA256

    35fb2ff7f30aff76e0d63b8d8d25190ef7e8411986af9ace372679be143e9ac9

    SHA512

    10692db1e02888667272663748e6da71e29e3337e1a4ec62f1f0d0fcec5169a1141af80c5cf54b468c456cf7b09d8abda7386eb19df03788ac735288b05cc789

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/4176-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/4176-5-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/4676-4-0x0000000000360000-0x0000000000369000-memory.dmp

    Filesize

    36KB

  • memory/4676-33-0x0000000000360000-0x0000000000369000-memory.dmp

    Filesize

    36KB