Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 10:23

General

  • Target

    f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe

  • Size

    72KB

  • MD5

    588781f18c6c0b3d66a115b7ecb41d20

  • SHA1

    bc14ee5d6ac26d722e3fc1a39b9ec1f235e0b174

  • SHA256

    f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdb

  • SHA512

    6830ce10d6482f495cb566ba597e8cf919f895696c003ad929ac09b02897c289c30edc47db0cae2b11ebe95e7f6c56fc4605b8738d616ffab4fac70be8f9d288

  • SSDEEP

    768:2/Gm1E9RVbStaqwqWvDjomVO/nUCAgls7+XjQGPL4vzZq2o9W7GsxBbPr:2/PVaqwJDPV+Rls7+X0GCq2iW7z

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 use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe
    "C:\Users\Admin\AppData\Local\Temp\f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Users\Admin\AppData\Local\Temp\nLtCKL.exe
      C:\Users\Admin\AppData\Local\Temp\nLtCKL.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\1ced113c.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1ced113c.bat

    Filesize

    187B

    MD5

    35b36f934ee3dedbd6deb03625fb20b9

    SHA1

    b6924d39e06deb11d026b28184ccf3ee7e049f71

    SHA256

    f324a67b5cf5883bfbbc18afb8626eb8ef7cbae5d4c88164dd7533c04e0eaf66

    SHA512

    ca4c6d054347030479b6b5cfa38590853196fdd3f3cac7c3fdb06a944923d40a83c3eb6e7aa7616152ef36d3b7ecdb0ceac7164cfffa24f2dcdb0047d79f6278

  • C:\Users\Admin\AppData\Local\Temp\282D44D8.exe

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\282D44D8.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/2768-12-0x0000000000040000-0x0000000000049000-memory.dmp

    Filesize

    36KB

  • memory/2768-42-0x0000000000040000-0x0000000000049000-memory.dmp

    Filesize

    36KB

  • memory/2900-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2900-10-0x0000000000250000-0x0000000000259000-memory.dmp

    Filesize

    36KB

  • memory/2900-11-0x0000000000250000-0x0000000000259000-memory.dmp

    Filesize

    36KB

  • memory/2900-14-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB