Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 23:21

General

  • Target

    2024-12-04_f34ae336de2b56131a11451bc3fd6e5d_smoke-loader_wapomi.exe

  • Size

    983KB

  • MD5

    f34ae336de2b56131a11451bc3fd6e5d

  • SHA1

    3bc08e60e7730c6657f405bd9a9bbfaa2a2d1ea1

  • SHA256

    8ca484b2e1fb194cc4afd7e928a79da4911f41840de90ce1a5b3721ccbfc174d

  • SHA512

    1274e65c3965239ee74391c84854fd11c303d4c94b70ea23fa0abfdb7de88812d5717536a3a50987d8636a887169996ce2df29af22b5d906d3b828af193e3dd7

  • SSDEEP

    24576:+Iv5QimqIakPrYsMdX3gU22+c5c6apVuXg5jk:pOXUXwF2Nrg

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-04_f34ae336de2b56131a11451bc3fd6e5d_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-04_f34ae336de2b56131a11451bc3fd6e5d_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\iYgckL.exe
      C:\Users\Admin\AppData\Local\Temp\iYgckL.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2216
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\26d63972.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\26d63972.bat

    Filesize

    187B

    MD5

    abd08fc5338321bfb882a3aa6b88e2f0

    SHA1

    a007f73f6d535f5f5b30d7dfcaf9f6474d8f1e94

    SHA256

    b8db7abdfae51667cd2577770353b764c51f004b2d31e65b9bbb110f531215c3

    SHA512

    fd8276c9b0a8c98a1ccd2fca045995c833b92121690aa8f88583c56042df2c7d557227488e7f2c403c4fc25636a45b1cdd7d8c2407a0f24a7fa5274268d76ad0

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2184-1-0x0000000000400000-0x0000000000500000-memory.dmp

    Filesize

    1024KB

  • memory/2184-9-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2184-8-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2184-17-0x0000000000400000-0x0000000000500000-memory.dmp

    Filesize

    1024KB

  • memory/2184-25-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2184-27-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2216-11-0x0000000000F70000-0x0000000000F79000-memory.dmp

    Filesize

    36KB

  • memory/2216-18-0x0000000000F70000-0x0000000000F79000-memory.dmp

    Filesize

    36KB