Analysis

  • max time kernel
    106s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2024 08:33

General

  • Target

    2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    bb27fcf0783de27cc76139c54d67a0ee

  • SHA1

    cbdf19cec1a85857609b860423b1c598a9d754fa

  • SHA256

    14d9d23b215a82324dd358bf08db3ad6a6e87d733e5bb2e4813c4b2d8979b7fd

  • SHA512

    e8d69c7227f46abeece3354ae2aa7a482a4e492b7e4dc5693218a2f5fb03e0e1cc04cd64d918592005e62d09b44b3268059b4fd2fe7d963b26de6e04b03fcddc

  • SSDEEP

    1536:RfnLq01weW5yX3jFxv49Nu4GhQ7NGCq2iW7z:Y3ysTGhQ5GCH

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\2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-28_bb27fcf0783de27cc76139c54d67a0ee_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\aEOqAF.exe
      C:\Users\Admin\AppData\Local\Temp\aEOqAF.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:1492
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\01bc01cf.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\01bc01cf.bat

    Filesize

    187B

    MD5

    25eb970c9255772dcc3201a86a9af386

    SHA1

    197fc9038c39a81cdaeb3ee4b20013b137061103

    SHA256

    48f60b8b4d1ac296bff1b8ac2eb2a4f9a413da708bbc481789f230f7282a4843

    SHA512

    15fe074d5aba9615835a64e47fe73d1748a18f84b84a4f80e06a1a696244c68ee95d96fd3102113e8609612287d73bf69113534aabbd5a4d260e6b68778c3079

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1492-4-0x00000000007C0000-0x00000000007C9000-memory.dmp

    Filesize

    36KB

  • memory/1492-8-0x00000000007C0000-0x00000000007C9000-memory.dmp

    Filesize

    36KB

  • memory/2856-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/2856-5-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB