Analysis

  • max time kernel
    19s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 14:38

General

  • Target

    88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe

  • Size

    1.3MB

  • MD5

    9d4ae503909970a9d7826540199ca021

  • SHA1

    d85e0c38dcdb692deb0251e1d368fadd4fb25e03

  • SHA256

    88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d

  • SHA512

    5bb73199535569817bc7bb20e2de010823e8016ecc6a69062bff05a66e0e5535a438557b87177a01d56194a6d5281a470e658f24235e224216f46dbee19af9fb

  • SSDEEP

    24576:YFdNA4IjV130iEu32T3Jrk3D/szFOHh2dwU/9BOzFN0DJyH/mT:co1EiENZyYzFOHh2yS9Apxm

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\88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe
    "C:\Users\Admin\AppData\Local\Temp\88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\ETociU.exe
      C:\Users\Admin\AppData\Local\Temp\ETociU.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1912
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\066a0d4a.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7CNUR30T\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\066a0d4a.bat

    Filesize

    187B

    MD5

    49d89edc6307c5026f41b9f254eac37b

    SHA1

    4923aff4abfa7d7563f57e36998b9120238de691

    SHA256

    91a602fe10b5e1f5006c0d6f4df425eda57582e152f0b0bf1af78c3096a018d4

    SHA512

    5ae07ac67d0a3fb67c10008773aa862ca6355cc9e91c3ca6b36977ab2342ed0c86eb9555abbe057cc80f383f52599fd60fd7ed478cd48b1968154ec2b83bfa61

  • C:\Users\Admin\AppData\Local\Temp\7EFA4393.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1912-50-0x0000000000840000-0x0000000000849000-memory.dmp

    Filesize

    36KB

  • memory/1912-11-0x0000000000840000-0x0000000000849000-memory.dmp

    Filesize

    36KB

  • memory/3052-15-0x0000000074502000-0x0000000074516000-memory.dmp

    Filesize

    80KB

  • memory/3052-10-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/3052-9-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/3052-0-0x0000000000110000-0x0000000000266000-memory.dmp

    Filesize

    1.3MB

  • memory/3052-52-0x0000000000110000-0x0000000000266000-memory.dmp

    Filesize

    1.3MB

  • memory/3052-53-0x0000000074502000-0x0000000074516000-memory.dmp

    Filesize

    80KB

  • memory/3052-55-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB

  • memory/3052-54-0x0000000000080000-0x0000000000089000-memory.dmp

    Filesize

    36KB