Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2024 09:58

General

  • Target

    02b3757b29002a8fcabd9afaebf1f7d3.exe

  • Size

    68KB

  • MD5

    02b3757b29002a8fcabd9afaebf1f7d3

  • SHA1

    cecffd787a418e435a9019211dda54444c2184fd

  • SHA256

    e909609bcd7d6a217635b372abba6e55d034d2e55712b032844ce28ded020064

  • SHA512

    fa7312829ddb66c4e3dba341eb45b2625c45060cfb2265a53ddb54595dd28d9245959eee6065b50e58d1908660732785a0430ae9345455d4bbcefd52fc5b015a

  • SSDEEP

    1536:sb1MsHz3JDwhyWr+N95OTga6S+PGCq2iW7z:XsT3JezcMCSkGCH

Malware Config

Extracted

Family

runningrat

C2

119.91.152.151

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++.

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • RunningRat payload 1 IoCs
  • Runningrat family
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Creates a Windows Service
  • Drops file in System32 directory 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 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02b3757b29002a8fcabd9afaebf1f7d3.exe
    "C:\Users\Admin\AppData\Local\Temp\02b3757b29002a8fcabd9afaebf1f7d3.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Checks computer location settings
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Users\Admin\AppData\Local\Temp\XekSuT.exe
      C:\Users\Admin\AppData\Local\Temp\XekSuT.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:2232
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\238e01b6.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3988
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\02b3757b29002a8fcabd9afaebf1f7d3.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3168
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2524
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SySyeu"
    1⤵
      PID:1144
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "SySyeu"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\SysWOW64\SySyeu.exe
        C:\Windows\system32\SySyeu.exe "c:\users\admin\appdata\local\temp\240622687.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\238e01b6.bat

      Filesize

      187B

      MD5

      8919df22c040dfc63b964d8d3d03166e

      SHA1

      5a7518ebcaa0bf82218444b787e81745ee2ed684

      SHA256

      2a0f6e94bdf3f70c44aefcd2a3a6043487c1759dafa99b3851cfb1a7070d54c1

      SHA512

      6083cff3bbe48bca28efc24262bb65043921ecb6d5c1df46d3dac97483452c8f15b9156e7fe5e2015f4870ef2a07dd0c4eb0c1ee0c73dfd0746d24326b655cfb

    • C:\Users\Admin\AppData\Local\Temp\240622687.dll

      Filesize

      25KB

      MD5

      db598538e7a70b73298f6424ae507e02

      SHA1

      d06a04fb9ca1bb8da5974870196ae5c0eadc1fa9

      SHA256

      cc4ab82995b0c0c827e99870948ef6a1371d4d1ed6d167a087c0d5c123d0f15e

      SHA512

      ebedb94e2ba77836317596557fb447e6abc78fecfafce8de900d70202994fe829459665e0dec8813c51039b64a12d08258bc6074324b729994b61e8467f5e3fa

    • C:\Users\Admin\AppData\Local\Temp\676E3ECC.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • C:\Windows\SysWOW64\SySyeu.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/2232-5-0x0000000000CD0000-0x0000000000CD9000-memory.dmp

      Filesize

      36KB

    • memory/2232-54-0x0000000000CD0000-0x0000000000CD9000-memory.dmp

      Filesize

      36KB

    • memory/4688-0-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/4688-14-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB