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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 20:24

General

  • Target

    2025-01-31_4d37381b13904f93f2f932cf1d2422fb_smoke-loader_wapomi.exe

  • Size

    208KB

  • MD5

    4d37381b13904f93f2f932cf1d2422fb

  • SHA1

    4b8e90748351e2b7453e607d9511559172cd5576

  • SHA256

    5345e0a311537cbc92670e86d5df3b92ca60662ee1da2cd2561fff8fdf66de1e

  • SHA512

    06b97f5fff2bbea1cc5b260defd020d9a2f466bdac2a458653d6a83408a078a5173d9302deb59bd99954b9539188b2eff39602a2f23682e338d38fb3bf958cdd

  • SSDEEP

    3072:7Jw8KYg5zA5GsMYSxSJiN/vGss9kTBf9pAXAtPOYQwOGCH:7035iMhL/vGsbTBl2wOsn

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\2025-01-31_4d37381b13904f93f2f932cf1d2422fb_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_4d37381b13904f93f2f932cf1d2422fb_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\LxXcJG.exe
      C:\Users\Admin\AppData\Local\Temp\LxXcJG.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:3140
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3fef05ad.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H693S724\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\3fef05ad.bat

    Filesize

    187B

    MD5

    39f051808b47d66d5db4eaa371cae464

    SHA1

    280896ecc6514391a5583a4b2b40d31872c0f820

    SHA256

    c67b10b4eb2bf8abe85e07dd3cb5537419ae4b14870c3911edc19c97abdc41e6

    SHA512

    bf29d25c8866dc2717f8dc361d3cb99f9850c31dd59dbc8ef78f2974350f2f9b4e8b2629c6022ee848531f59e5f92e09e2675c6964e8506909ea3c4257cd9f9b

  • C:\Users\Admin\AppData\Local\Temp\7725363C.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/3140-4-0x0000000000750000-0x0000000000759000-memory.dmp

    Filesize

    36KB

  • memory/3140-39-0x0000000000750000-0x0000000000759000-memory.dmp

    Filesize

    36KB

  • memory/4932-0-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/4932-35-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB