Analysis

  • max time kernel
    130s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 04:24

General

  • Target

    2024-11-28_b1a6d73d47efe38e76db39cb6262be7b_smoke-loader_wapomi.exe

  • Size

    80KB

  • MD5

    b1a6d73d47efe38e76db39cb6262be7b

  • SHA1

    c4ea3227ebb71c82f62b110e7bb197ef0754cbdd

  • SHA256

    fbc68b9c25a028a5368c1ae584d5f2197e6c1e88817b02c56ed45a7fdca06be4

  • SHA512

    dce27cd077977636ddba0f165fb075273a3bf210d09e20843d3655e4ee8f1c0f8866053c639040cb535adef4735e114b59519db93ab8b9f43ad102abd91ac74a

  • SSDEEP

    1536:RfnLq01weW5yX3jFxv49Nu4GhQBJGCq2iW7z:Y3ysTGhQbGCH

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\2024-11-28_b1a6d73d47efe38e76db39cb6262be7b_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-28_b1a6d73d47efe38e76db39cb6262be7b_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Admin\AppData\Local\Temp\lFZi.exe
      C:\Users\Admin\AppData\Local\Temp\lFZi.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:3544
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2b3d44b5.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2b3d44b5.bat

    Filesize

    183B

    MD5

    73b2f57f72c7811133304fe87ce179ec

    SHA1

    5f8c1dae5047763ee3c38a1ec4ab3aac68f7f4f4

    SHA256

    ebda9f6233179466956a592b881910cd9b72c8e8a0b76d048875e50851b7da38

    SHA512

    1339fcd89ad36b95e9b7a9c4910e26fab27eae00df0eed5ca1eb958ba15c10fbbb4eef0edbd7fa54bf1e5f341288c330d27835de6c60481baa1872cf2de6f501

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1384-0-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/1384-5-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB

  • memory/3544-4-0x0000000000DB0000-0x0000000000DB9000-memory.dmp

    Filesize

    36KB

  • memory/3544-8-0x0000000000DB0000-0x0000000000DB9000-memory.dmp

    Filesize

    36KB