Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    b3868fa414b8a5ff3c97ecf08f496deb

  • SHA1

    2736b4115b080852b1c75dd7fa5f6b432b86e14c

  • SHA256

    9af16bd5d445787bdd5d68eecc409b1cc71008a30d3a8e113ce1a23f0c2292b3

  • SHA512

    169604766b0c8bab99e9c2b36bbd096664a06b8e5ff1ae1cf79e61317dff41ba323459b5fc184625b7d13163379c469db8fd13b39c7578bfebd2e0dfb7f5b58d

  • SSDEEP

    1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZSTGCq2iW7z:fhAWJGSCTBf12ZcGCH

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_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Users\Admin\AppData\Local\Temp\vcGThYiz.exe
      C:\Users\Admin\AppData\Local\Temp\vcGThYiz.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:2028
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\23de51af.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\23de51af.bat

    Filesize

    191B

    MD5

    db1a63def85189ba9639cc0de4f130a2

    SHA1

    33207b8386e339a877997f1a3628f445d777e91d

    SHA256

    365cbfe5895883985347444d0ab28b6b6b76e3825ce0545bebd2b580dc4c3b5c

    SHA512

    69a0f2940366460a6db39fe7f7bc8abfdfe53b70f76d172a9c1d09c7cf67d7fcd13686bb6f607a69293a2b0b0f9bb095464e4bc14e553745676575782080a97a

  • C:\Users\Admin\AppData\Local\Temp\7D8B77A4.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2028-5-0x0000000000AB0000-0x0000000000AB9000-memory.dmp

    Filesize

    36KB

  • memory/2028-46-0x0000000000AB0000-0x0000000000AB9000-memory.dmp

    Filesize

    36KB

  • memory/4232-0-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/4232-48-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB