Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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 09:29

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 3 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 4 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:4568
    • 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:4732
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\691929e4.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 1316
      2⤵
      • Program crash
      PID:4588
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4568 -ip 4568
    1⤵
      PID:4712

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\1DFB4EFF.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\691929e4.bat

      Filesize

      187B

      MD5

      e6f281877cdc6f1fdaa87d480610c41d

      SHA1

      851921ce852f7d409e29d2b95d66fb88ffabf309

      SHA256

      8b03e88dc5f444fc1224ebe8fb9ac7414b67d2856bae9feef1bba90ba32d31a3

      SHA512

      7736d297f382f506965ffd272dc975d9bd9aa8d44c2a2e88667ed60d20231bc782b20208e16a8d84df6b0547e13a82aba3b53dd2a99f7add1079b222a2b619f6

    • 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/4568-58-0x0000000076F50000-0x0000000077040000-memory.dmp

      Filesize

      960KB

    • memory/4568-56-0x0000000076F50000-0x0000000077040000-memory.dmp

      Filesize

      960KB

    • memory/4568-52-0x0000000076F70000-0x0000000076F71000-memory.dmp

      Filesize

      4KB

    • memory/4568-51-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/4568-53-0x0000000076F50000-0x0000000077040000-memory.dmp

      Filesize

      960KB

    • memory/4568-67-0x0000000076F50000-0x0000000077040000-memory.dmp

      Filesize

      960KB

    • memory/4568-57-0x0000000076F50000-0x0000000077040000-memory.dmp

      Filesize

      960KB

    • memory/4568-42-0x0000000000400000-0x0000000002672000-memory.dmp

      Filesize

      34.4MB

    • memory/4568-55-0x0000000076F50000-0x0000000077040000-memory.dmp

      Filesize

      960KB

    • memory/4568-54-0x0000000076F50000-0x0000000077040000-memory.dmp

      Filesize

      960KB

    • memory/4568-66-0x0000000000400000-0x0000000002672000-memory.dmp

      Filesize

      34.4MB

    • memory/4568-5-0x0000000000400000-0x0000000002672000-memory.dmp

      Filesize

      34.4MB

    • memory/4568-65-0x0000000000400000-0x0000000002672000-memory.dmp

      Filesize

      34.4MB

    • memory/4732-63-0x00000000004B0000-0x00000000004B9000-memory.dmp

      Filesize

      36KB

    • memory/4732-6-0x00000000004B0000-0x00000000004B9000-memory.dmp

      Filesize

      36KB