Analysis

  • max time kernel
    93s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 15:52

General

  • Target

    Spoofer/Remover Logs/log2.exe

  • Size

    107KB

  • MD5

    fc0cf51e23828300811b9279e641e65f

  • SHA1

    7c4d0b7efe4e9648e1e13625255e4d00c65dda73

  • SHA256

    a8ebd91e787da7058191684de95648495d391090aa617c7d8ab7949b1a2d10c6

  • SHA512

    08a460191d6d07c84dc9c9c7f2c0d9df2f33c5df07be441637cbe04a1e93758de2a7189d543b7a00a5e5e0ef44f42603fc78f88b75493ffde58992cf39216eb4

  • SSDEEP

    1536:57fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfrw4xON1GCq2iW7z:t7DhdC6kzWypvaQ0FxyNTBfr0GCH

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Spoofer\Remover Logs\log2.exe
    "C:\Users\Admin\AppData\Local\Temp\Spoofer\Remover Logs\log2.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:376
    • C:\Users\Admin\AppData\Local\Temp\mNXfxi.exe
      C:\Users\Admin\AppData\Local\Temp\mNXfxi.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\12bf784a.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2668
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\61BF.tmp\61C0.tmp\61C1.bat "C:\Users\Admin\AppData\Local\Temp\Spoofer\Remover Logs\log2.exe""
      2⤵
        PID:3032

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LW44N8OS\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\12bf784a.bat

      Filesize

      187B

      MD5

      ab90b588cd93f01c071cbd45cd9ee41f

      SHA1

      85a9d3b3e01d9ad1f4cdba9ae5439471f5643434

      SHA256

      b93ff6c486d27c705228534b0ff7dea213c08590f8e1b38e62b26b3d3e523fcf

      SHA512

      e5dbc64f769b9b6866c8c2f60b5c137a0835cbbbc8ff79f5609c36c8a2f426ca19886589b768fcf14f15eb4ad7e1e2673e6ed84050caa3ae2cdbfa0645ae8218

    • C:\Users\Admin\AppData\Local\Temp\5FFC7EB7.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\61BF.tmp\61C0.tmp\61C1.bat

      Filesize

      1KB

      MD5

      e0f0f24047c4f2cf11b740ae7f32efd1

      SHA1

      271b1e88a1dc89c395854b5808a97f7b0b162f06

      SHA256

      5f7e01455bd8c7604f8e5b2cc069179015360505f08ffdb9a14c3abbcd478e5f

      SHA512

      55c1b69e7136b0e18da87fc29d5ac9974adfc019574cae14b906f46efc8dec02694f1d251c9d3d755918994ec9964aeed63f06ece317b066e6828abbb468b7ce

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/376-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/376-4-0x0000000000240000-0x0000000000249000-memory.dmp

      Filesize

      36KB

    • memory/376-11-0x0000000000240000-0x0000000000249000-memory.dmp

      Filesize

      36KB

    • memory/376-58-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/376-59-0x0000000000240000-0x0000000000249000-memory.dmp

      Filesize

      36KB

    • memory/3000-12-0x0000000000990000-0x0000000000999000-memory.dmp

      Filesize

      36KB

    • memory/3000-56-0x0000000000990000-0x0000000000999000-memory.dmp

      Filesize

      36KB