Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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. 2 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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 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
    • 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:2628
    • C:\Users\Admin\AppData\Local\Temp\XekSuT.exe
      C:\Users\Admin\AppData\Local\Temp\XekSuT.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\408633ab.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2624
    • 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⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2544
      • 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:2344
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SySyeu"
    1⤵
      PID:2776
    • 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:2112
      • C:\Windows\SysWOW64\SySyeu.exe
        C:\Windows\system32\SySyeu.exe "c:\users\admin\appdata\local\temp\259453078.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2244

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\02A75DC0.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\408633ab.bat

      Filesize

      187B

      MD5

      d4532359d108c4a1d79fb80c1509de60

      SHA1

      62258159d1354e8f61004df700faf1b57d5fbc1c

      SHA256

      bd19ff2421ce45a9c653b32a3830e09e57a005762aa29498ee65a7e9df00b905

      SHA512

      719193d697f08197e02cce3155c9a67f3cb2ff8587d0a554fb2d57a8cd26672d84cf0f1cb82b9ffda67e4c2875fa7cd4aab250f12333e9b70c0e8707bc27be95

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

      Filesize

      15KB

      MD5

      56b2c3810dba2e939a8bb9fa36d3cf96

      SHA1

      99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

      SHA256

      4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

      SHA512

      27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

    • C:\Windows\SysWOW64\SySyeu.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \Users\Admin\AppData\Local\Temp\259453078.dll

      Filesize

      25KB

      MD5

      db598538e7a70b73298f6424ae507e02

      SHA1

      d06a04fb9ca1bb8da5974870196ae5c0eadc1fa9

      SHA256

      cc4ab82995b0c0c827e99870948ef6a1371d4d1ed6d167a087c0d5c123d0f15e

      SHA512

      ebedb94e2ba77836317596557fb447e6abc78fecfafce8de900d70202994fe829459665e0dec8813c51039b64a12d08258bc6074324b729994b61e8467f5e3fa

    • memory/2628-0-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/2628-11-0x00000000003A0000-0x00000000003A9000-memory.dmp

      Filesize

      36KB

    • memory/2628-10-0x00000000003A0000-0x00000000003A9000-memory.dmp

      Filesize

      36KB

    • memory/2628-32-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/2676-12-0x00000000000E0000-0x00000000000E9000-memory.dmp

      Filesize

      36KB

    • memory/2676-61-0x00000000000E0000-0x00000000000E9000-memory.dmp

      Filesize

      36KB