Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 12:26

General

  • Target

    2025-01-31_9299aa68744142b16289a9733bf5edbf_smoke-loader_wapomi.exe

  • Size

    65KB

  • MD5

    9299aa68744142b16289a9733bf5edbf

  • SHA1

    a1d701dfc140e6e37e78a340833f0de3cb3ac661

  • SHA256

    f693a76a030e9ecb42c2599183766f93c6fa4044b5a44b61be0706cfad4b29ae

  • SHA512

    e008b35abe8158620658c1e203a251c361ed7b9095b42b92173f6ccdff60f5dc0635b7e7fd0daf8f74abdb616ec37c321cd32be6adb9245e6c6c0dec0d0b90bf

  • SSDEEP

    768:S5qn4NX7+MbT1y9EG+HOkHmopjtWO3ZCdZP1f8SvnHH5nmQGPL4vzZq2o9W7Gsxl:8qn40x9kOkNpjWZP1Vn5n9GCq2iW7z

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-31_9299aa68744142b16289a9733bf5edbf_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_9299aa68744142b16289a9733bf5edbf_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\JypyFO.exe
      C:\Users\Admin\AppData\Local\Temp\JypyFO.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\38bd5f85.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\1LNUKNV0\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\339B1201.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\38bd5f85.bat

    Filesize

    187B

    MD5

    b63aba4c4dc21fac242e40f7ea5aabb3

    SHA1

    2fbfc6620116ef5d57ead449b060d7bf5ef56298

    SHA256

    2f3ec930f2b2f29a0610572f802a55e2ed5ef21953c3441561fdc12376556295

    SHA512

    f36b69307071f49f4138d1b5ea1a2e2a415508bc0807b7416fb2f3bead19b6475fcfd4676b53e34d85e5bc3cf4d507978c2ea173e720f7ca0da1a3f22f02383e

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

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/2672-0-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2672-10-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2672-11-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2672-50-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2672-51-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2672-52-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2764-12-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB

  • memory/2764-48-0x0000000000CF0000-0x0000000000CF9000-memory.dmp

    Filesize

    36KB