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Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2024, 22:21

General

  • Target

    2024-12-30_c72079a198baca6b28586f4c7ebe9bf7_smoke-loader_wapomi.exe

  • Size

    988KB

  • MD5

    c72079a198baca6b28586f4c7ebe9bf7

  • SHA1

    83d74444f5d29566d03c2e89583082b8c9c567b7

  • SHA256

    32104aed224ee9a2dcca79b9fae303c793a0e01db43154b53b493e0160e0362a

  • SHA512

    a16571b9fc469df913df85ea6692ffdb850e47bb4fc2d4ebd205b177848c8a7d2aa92659863c8d656109dd4b6bc0ef9698d6f84c76e23bcd44aef2580e9ed9b2

  • SSDEEP

    24576:Zbi/QhDC8mY93kyw8hC2A5CxLbRpWrzzZyP4UMd0I7:Q/QMnl5YL7WzZyQRd

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

  • 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 4 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-30_c72079a198baca6b28586f4c7ebe9bf7_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-30_c72079a198baca6b28586f4c7ebe9bf7_smoke-loader_wapomi.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\UxCIKq.exe
      C:\Users\Admin\AppData\Local\Temp\UxCIKq.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\73f54cc0.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1768
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c echo 1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\73f54cc0.bat

    Filesize

    187B

    MD5

    c84475798645ce693c4503245039f868

    SHA1

    88fe92a719637d72f571ede65d8291102c569e6a

    SHA256

    1e89aaf08a5ea983e25a793722d7dcfc00aeb4e7b8f2a65560d73fb0d2895eb4

    SHA512

    52130c0a3d3617ac45ec3e6e29a29d8d30235d6abf4ed4c90c8b063cd3faae9cbe51744b96d75b6a4a3533841754b25d7c092b3a9a6092eb8f742f3fe1ee9298

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2536-9-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2536-4-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/2536-0-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB

  • memory/2536-16-0x0000000000400000-0x0000000000502000-memory.dmp

    Filesize

    1.0MB

  • memory/2536-24-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/3064-17-0x0000000000F40000-0x0000000000F49000-memory.dmp

    Filesize

    36KB