Analysis

  • max time kernel
    94s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 10:05

General

  • Target

    2590fde42296487a35c65107e348a43c327000a5154b216aeef56d0470493e6e.exe

  • Size

    1.7MB

  • MD5

    92f74b197f6fcc9992976c74f95fc153

  • SHA1

    59c92dd1ba5473940237fb1aeac0567fde2d0d10

  • SHA256

    2590fde42296487a35c65107e348a43c327000a5154b216aeef56d0470493e6e

  • SHA512

    b4d872c7d2c7fca8545b31e69860c3513d7639be3438b41d82f23b90f1f19c28f31b726575b2718f8a16c8e2339b5048d988c94ca8d7e1f225fdd342ee200174

  • SSDEEP

    49152:N9+/2k5uTipOcDFRKyBtTT8UWjpplvIQLKpC2cS+zzWJVIkGhXIH:N9LkATipOwFdtTjWjpplvIKKpC2ccIk5

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2590fde42296487a35c65107e348a43c327000a5154b216aeef56d0470493e6e.exe
    "C:\Users\Admin\AppData\Local\Temp\2590fde42296487a35c65107e348a43c327000a5154b216aeef56d0470493e6e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Users\Admin\AppData\Local\Temp\jUXcbO.exe
      C:\Users\Admin\AppData\Local\Temp\jUXcbO.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:1964
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\155308d9.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\155308d9.bat

    Filesize

    187B

    MD5

    7627022e10ac73aaffb3badaad7c0560

    SHA1

    8ded21111d6329a4090e31160b909646e10ffaed

    SHA256

    0ad72577fb28307dd6a059dec250bf90c9f66efa5cc3c5084535414484e6f34e

    SHA512

    489e1b59942fafb6a42c3447172f30cab203abc32a760c4132d9a796017f427df04546afc487e464311d94fb00c70c7fa6789ae4a0c47b7f9dd21c138b7a0c87

  • C:\Users\Admin\AppData\Local\Temp\54C20E19.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1964-4-0x0000000000720000-0x0000000000729000-memory.dmp

    Filesize

    36KB

  • memory/1964-52-0x0000000000720000-0x0000000000729000-memory.dmp

    Filesize

    36KB

  • memory/4576-0-0x0000000000BD0000-0x0000000000D91000-memory.dmp

    Filesize

    1.8MB

  • memory/4576-54-0x0000000000BD0000-0x0000000000D91000-memory.dmp

    Filesize

    1.8MB