Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2025 18:08

General

  • Target

    23f58968a15d4d7f8455f166e3366ca3582d67deb69df4e72eb0057d03394154.exe

  • Size

    48KB

  • MD5

    89eb637d610c36c2245b0dcdb8073823

  • SHA1

    0f22e5bc5abbe5bee574fdcc420e529625e102f8

  • SHA256

    23f58968a15d4d7f8455f166e3366ca3582d67deb69df4e72eb0057d03394154

  • SHA512

    ff933611a6eef68d9522ca4d3e2cbbcbb90a9b108e4642eb0db190fa7214ddad1cd888cc13292a90b93b4e7a07bb47da873b4ab10a705c055dfd04321934e7b0

  • SSDEEP

    768:JesY0r63gjhJoK9QGPL4vzZq2o9W7GsxBbPru:osY0r6QroKKGCq2iW7za

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\23f58968a15d4d7f8455f166e3366ca3582d67deb69df4e72eb0057d03394154.exe
    "C:\Users\Admin\AppData\Local\Temp\23f58968a15d4d7f8455f166e3366ca3582d67deb69df4e72eb0057d03394154.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\SHOYoX.exe
      C:\Users\Admin\AppData\Local\Temp\SHOYoX.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\5dcd11b2.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MPUI9R2R\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\446E6783.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\5dcd11b2.bat

    Filesize

    187B

    MD5

    a5c23ef67f7b5db5092ac5571236f897

    SHA1

    1697f86dad3b9fc8cf377947da0295119d4d0741

    SHA256

    410fa376e8ae0ee022530fc233acc5e51347d120e80ed942e3a5ef75a061729a

    SHA512

    64fbc0572eb6cbe3cf8aa7efe7304569b650c2f52d44de722fe6867ffe49fce1929b6ae0d1c5cf948a1193479afe7459d6eb31b1ac65996cc893e2d46847ea08

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2240-0-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2240-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/2240-13-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3044-10-0x0000000000850000-0x0000000000859000-memory.dmp

    Filesize

    36KB

  • memory/3044-54-0x0000000000850000-0x0000000000859000-memory.dmp

    Filesize

    36KB