Analysis

  • max time kernel
    106s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 17:34

General

  • Target

    2024-12-30_825e0d98fcd9b1b51c545dbe0f8cd4f5_smoke-loader_wapomi.exe

  • Size

    36KB

  • MD5

    825e0d98fcd9b1b51c545dbe0f8cd4f5

  • SHA1

    ef70bc455a6a1be6a668e0d96d304f11253e4e92

  • SHA256

    1e5c596303211c9c7b94ae77567412de3d53c411ed40a7848eaf458401974c95

  • SHA512

    ca868aa8654cc9d444f9cbea60b9460e53447ffde6ac804c8bca227ceea1f3c5c05b70f075f81338dbbb5a6fe8c32026479a784912e81bb1140035515468d70f

  • SSDEEP

    768:aA+m41HKUpOv068E4Mf4MMRt4MtV2n5nMQGPL4vzZq2o9W7GsxBbPr:aA+m6qqOcVEP87T2n5nPGCq2iW7z

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-30_825e0d98fcd9b1b51c545dbe0f8cd4f5_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-30_825e0d98fcd9b1b51c545dbe0f8cd4f5_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\AppData\Local\Temp\xeHrVp.exe
      C:\Users\Admin\AppData\Local\Temp\xeHrVp.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:4352
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\62425de8.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\62425de8.bat

    Filesize

    187B

    MD5

    47174e93d3a212817d166047bbe3536b

    SHA1

    523441ee8569091ad642a10d3524e815ca6e7eb9

    SHA256

    02839268259f7ed2a775505858a169b324c337f3143b5a4afbbbc6de99b5214a

    SHA512

    2bf09be5eb445178b5c1abe94aa043fe9dad30045fb3f2080bec492d32bf9a575016e558bc37ec33e6943979d63f8a56fbf38972312316a2fc57f8d326c28945

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/4352-4-0x0000000000680000-0x0000000000689000-memory.dmp

    Filesize

    36KB

  • memory/4352-8-0x0000000000680000-0x0000000000689000-memory.dmp

    Filesize

    36KB

  • memory/4804-0-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/4804-7-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB