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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2025, 03:03

General

  • Target

    a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe

  • Size

    28KB

  • MD5

    e4ac95edac2f200de68ff07156a9aa96

  • SHA1

    17e18a2f208464e303f4af2f1b6b0f3f0311abd9

  • SHA256

    a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283

  • SHA512

    c604109e5d1cf48946773915bf0ded2b0dc519e71150cc777d90e061aa2c6348fd25b86360358378ff85b51fcb893af57e4efb51027ecc8fe20e9334b77cbfc8

  • SSDEEP

    384:51G/0strh1ieR5SSlXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:C/0cLi8xbQGPL4vzZq2o9W7GsxBbPr

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 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe
    "C:\Users\Admin\AppData\Local\Temp\a58fe81aa10628b6f776015ce323d697ff7df887e04a54d42d61fe496f07a283.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\Modrng.exe
      C:\Users\Admin\AppData\Local\Temp\Modrng.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\3e9345f3.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3e9345f3.bat

    Filesize

    187B

    MD5

    4ae6611e3eb240193a8a67c4506e188f

    SHA1

    bcd651323be50242ebc802a4eccbcbdc29bd0ba7

    SHA256

    843a31f39efb9137dce5487466c5d9e3bfd19fe146c9ab7e84d5b9d5678446e0

    SHA512

    b644204cebd194d70cba6e61dd1bae4c6603b516d7b5ccaa09d65bc085e46590dc9049acf5fb646d7521532c18c406cc51b5c9a5bc8a9e61c35044efe8cb7aa7

  • \Users\Admin\AppData\Local\Temp\Modrng.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2196-13-0x00000000002D0000-0x00000000002D9000-memory.dmp

    Filesize

    36KB

  • memory/2512-0-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2512-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2512-20-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB