Analysis

  • max time kernel
    106s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2025, 10:59

General

  • Target

    2025-02-24_d4ad85f9df962163805262b0e557efc0_smoke-loader_wapomi.exe

  • Size

    203KB

  • MD5

    d4ad85f9df962163805262b0e557efc0

  • SHA1

    b3f538247b2a75f0300b7d4ece5141ca422f1058

  • SHA256

    4eab01f195a931a5604c4639ff84f7b66621346f0f0a833512f9515d0c0e958e

  • SHA512

    901e452adbf7936da7b292138ad63c10626d970a6a3e9adbdb7942baa53440aeba6c2045c2b5394dd39eb0e3162b91dd11453f23dca37bafa1661edc98d3c5d1

  • SSDEEP

    3072:v1TlCN3DeL0dA/VkvpS6zpQDt0v2E6LGHxdOWTtDwqytR2TBf9AqqpUwIyGCH:BlGXd4OvDzewKLGHj0qTBlznBT

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\2025-02-24_d4ad85f9df962163805262b0e557efc0_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-24_d4ad85f9df962163805262b0e557efc0_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Users\Admin\AppData\Local\Temp\ptjIGU.exe
      C:\Users\Admin\AppData\Local\Temp\ptjIGU.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:3872
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\02e85f47.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\02e85f47.bat

    Filesize

    187B

    MD5

    206726eec22b15363fb1f60eb6ffc076

    SHA1

    455244229df85e4eb62b6bafd9ee4127dde4b166

    SHA256

    e5078e532db10c8c987f21465135671ef31f2ea30068c11bcc4143cdaa46184e

    SHA512

    2f7474ea7cd4f808ac9285e6e5597a034043db045ac23becfee53d0def9cd25536678f8d4a2aa8e0a2b048084fa9e39db999f803ed7e52174b8aafa08046a1b4

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1852-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1852-7-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3872-4-0x0000000000830000-0x0000000000839000-memory.dmp

    Filesize

    36KB

  • memory/3872-8-0x0000000000830000-0x0000000000839000-memory.dmp

    Filesize

    36KB