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Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/01/2025, 03:02

General

  • Target

    2025-01-17_fbf8aa7ede6c324ea515eb29156fd431_smoke-loader_wapomi.exe

  • Size

    36KB

  • MD5

    fbf8aa7ede6c324ea515eb29156fd431

  • SHA1

    bd51c5b3635617d5475c64ed13b49b064928cf62

  • SHA256

    a38dd45ac4cd62513e04d73c750d5ec0a57045b5af69dd1590205d022e71f7e5

  • SHA512

    4c0f491469877880c9741a68e3e6b131091d8b94624ee2d204f88c27e2d4f6eb85d423319299afdb8006714f4d11a8a8d41004e86cad6892a4654b0cb94627c7

  • SSDEEP

    768:aA+m41HKUpOv068E4Mf4MMRt4MtV2n51WQGPL4vzZq2o9W7GsxBbPr:aA+m6qqOcVEP87T2n51NGCq2iW7z

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

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-17_fbf8aa7ede6c324ea515eb29156fd431_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-17_fbf8aa7ede6c324ea515eb29156fd431_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\kXTaqv.exe
      C:\Users\Admin\AppData\Local\Temp\kXTaqv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\3dcf1fbc.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MPUI9R2R\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\3dcf1fbc.bat

    Filesize

    187B

    MD5

    b283895b93dd9c8b2f250861fe812e04

    SHA1

    a64455237f00e3cbddf1609abae7d033ba6b3ee4

    SHA256

    8f1af7d36614b9a3398222c2bd75375e85dc1487bf72fa11f3e3c5b33947ff04

    SHA512

    070777811ac192e56ebcca466f00ff8f2d6d30fb28822da17afc2e96e3c2b8960152295700dacb06cc1db6e19fb676c1c4e8d98d746c3d22e15931fd28b2cd08

  • C:\Users\Admin\AppData\Local\Temp\56C53E77.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • \Users\Admin\AppData\Local\Temp\kXTaqv.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1284-11-0x0000000001100000-0x0000000001109000-memory.dmp

    Filesize

    36KB

  • memory/1284-48-0x0000000001100000-0x0000000001109000-memory.dmp

    Filesize

    36KB

  • memory/2612-0-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2612-9-0x00000000001D0000-0x00000000001D9000-memory.dmp

    Filesize

    36KB

  • memory/2612-8-0x00000000001D0000-0x00000000001D9000-memory.dmp

    Filesize

    36KB

  • memory/2612-50-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2612-51-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB