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Analysis

  • max time kernel
    92s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2025, 08:06

General

  • Target

    JaffaCakes118_6b446b71c587aff379a8fefe1204a110.exe

  • Size

    72KB

  • MD5

    6b446b71c587aff379a8fefe1204a110

  • SHA1

    0757deb7a44d28176556d749a742c1677a755e7f

  • SHA256

    ed0dfb57416a24df762a337278823cb19c1875f0e9aeeaddf6689a474ecf51f0

  • SHA512

    ac052a0277a837c66b73d26768c35adcb4833b759f484ac3fd977796e93a7946baab48b565ca070962f654c121a78f037eb734230b5a0a3018e8239f56b06135

  • SSDEEP

    1536:g8mNL0nNwCeVGOqPsSCk6l89CEciwCI8YGCq2iW7z:RKAnNReIHPdf6l89CEcppGCH

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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b446b71c587aff379a8fefe1204a110.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b446b71c587aff379a8fefe1204a110.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\afFYrT.exe
      C:\Users\Admin\AppData\Local\Temp\afFYrT.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:1612
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\25060d0f.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\25060d0f.bat

    Filesize

    187B

    MD5

    81005246e024c8892df36a6ce302d308

    SHA1

    7762248d0ee5977b5525fe9da573fbbc9672629d

    SHA256

    dfbcf40f54d4e37a6879b3164cde940fa8fe09d9a187d0c93d9cfa4d8cd0c690

    SHA512

    eb77112d3bbda54d9177aa5d3c562189c04792e76dcce76394151a219ba6dc074fee64d14d91bb62bf7cf6f4d6d1f2b2c6cf3fc16cd6c40cb31be04025c41f78

  • C:\Users\Admin\AppData\Local\Temp\71E42310.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1612-4-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/1612-46-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2456-0-0x0000000001000000-0x000000000101F000-memory.dmp

    Filesize

    124KB

  • memory/2456-48-0x0000000001000000-0x000000000101F000-memory.dmp

    Filesize

    124KB