Analysis

  • max time kernel
    126s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2025, 09:33

General

  • Target

    2025-02-25_a4528763f9fa85153ed49d59060b18c0_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    a4528763f9fa85153ed49d59060b18c0

  • SHA1

    83ef5e61691470dfd1f7af92d3a2eb1c846db761

  • SHA256

    0bba324db09c25c6e696d84c1941c419833a097be81ecec42200c23a873a8c90

  • SHA512

    1b96e6482eb5a29ed0804a54eb357f5c26e0b95d9a923154b23e4d3b5034a55ae09fe180d760e21f32a4f4b918c3b905a49757b87f86e012a5987a5dec219e8c

  • SSDEEP

    1536:Kg/6/tM8NXDjPX0QWlfGMckTQJhGCq2iW7z:Jk3U8kTQHGCH

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\2025-02-25_a4528763f9fa85153ed49d59060b18c0_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-25_a4528763f9fa85153ed49d59060b18c0_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\dgU.exe
      C:\Users\Admin\AppData\Local\Temp\dgU.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:384
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2f8970a1.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7CPZATFC\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\2f8970a1.bat

    Filesize

    181B

    MD5

    2fdf988b410c6293a0eb5234d9f52320

    SHA1

    ecf81cd62152c223f925cf0832d4d4d039b47581

    SHA256

    8f4a9dc1d0ea8b9f1877361d7c83c440cfea4343c6f855c4f8c248055fc6fafb

    SHA512

    022a73baa9988c4952be43e5486f34356fee1eb7ed001aeb97b82628fa9ef3d52b05352e150d48824cc2cbe2dff99bbfdf392cccc0028f7fab4ada5b12fd0b56

  • C:\Users\Admin\AppData\Local\Temp\45DB4A3F.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/384-5-0x0000000000AE0000-0x0000000000AE9000-memory.dmp

    Filesize

    36KB

  • memory/384-47-0x0000000000AE0000-0x0000000000AE9000-memory.dmp

    Filesize

    36KB

  • memory/2452-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2452-6-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB