Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 09:39

General

  • Target

    9eaaa416014aa90bb49ee345b2be29497bc6163345f2caafca9b675f530d7945.exe

  • Size

    14.6MB

  • MD5

    3563c402b8590bbedab9202ff48b38a7

  • SHA1

    3942f2d5555134798eb16d9befc69403db0edf1b

  • SHA256

    9eaaa416014aa90bb49ee345b2be29497bc6163345f2caafca9b675f530d7945

  • SHA512

    d9658907abb6d11d62c4e85b4e73dac03ce1588fb3395a150a6cc940c11b97d3b30bd7255b30c53ad68f6a6dd0e8219c3d32efd91db0dad48a49dc444e4a2c0a

  • SSDEEP

    393216:/JFmS2iB12kzyl4cyC4tjwdUPev3ZGRsYI2yc:/mS2iD2949+TvpGRO2F

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 2 IoCs
  • 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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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\9eaaa416014aa90bb49ee345b2be29497bc6163345f2caafca9b675f530d7945.exe
    "C:\Users\Admin\AppData\Local\Temp\9eaaa416014aa90bb49ee345b2be29497bc6163345f2caafca9b675f530d7945.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\SimFLr.exe
      C:\Users\Admin\AppData\Local\Temp\SimFLr.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:4172
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7a2b1b39.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4104
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 1316
      2⤵
      • Program crash
      PID:1952
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2908 -ip 2908
    1⤵
      PID:4768

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\1EE42DCD.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\7a2b1b39.bat

      Filesize

      187B

      MD5

      b3734d14f8a7b12c9dd1231f20d128f9

      SHA1

      ab9214e4279bb2258b2282690d7fbbf024eda26e

      SHA256

      3b95ce2ef881038572258a61a6e4abadb1471b0caa908138eea316d6c0a35108

      SHA512

      014f472c132ac3877205ea9d9e8f6589895575a37496e9bb8772944da1dbb71608ec77403a8bd42a54d96a04d9971a9b9e36d4057ad252b58b12f045a375642c

    • C:\Users\Admin\AppData\Local\Temp\E2EECore.3.3.9.dll

      Filesize

      10.6MB

      MD5

      50c266e46ccf9bc8956279f78d51f205

      SHA1

      0ba5b98a91a9a019cd9b87cf01796c65ee6a0839

      SHA256

      c58e066a293ff260037487d37e37bf3d890c16383d817c7573dab51c514cbd00

      SHA512

      7350a82820faeba3172fad3d87b04c6a2967b797a321a78a53e7156c37fed4661a66d2f78e2f3ddbcbc0d10a56f5d761f7eb761f05d2841568b34841c17e0d37

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • memory/2908-5-0x0000000000400000-0x0000000002672000-memory.dmp

      Filesize

      34.4MB

    • memory/2908-28-0x0000000000400000-0x0000000002672000-memory.dmp

      Filesize

      34.4MB

    • memory/2908-57-0x0000000000400000-0x0000000002672000-memory.dmp

      Filesize

      34.4MB

    • memory/4172-6-0x0000000000810000-0x0000000000819000-memory.dmp

      Filesize

      36KB

    • memory/4172-54-0x0000000000810000-0x0000000000819000-memory.dmp

      Filesize

      36KB