Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 10:43

General

  • Target

    d336deda06c51b4063dc4ef1d8a775502057c67b2d2de633715df363723149db.exe

  • Size

    2.6MB

  • MD5

    9605405c8425a7698b173ff05940c022

  • SHA1

    b84ae221446d506cf33134c04d236797616f1a90

  • SHA256

    d336deda06c51b4063dc4ef1d8a775502057c67b2d2de633715df363723149db

  • SHA512

    0aab01f7ffbd4ddf07534353a152d32ee071f42f3b825730d4c5473c62fa303f481759304f4785b5fa460075e7a9d1460b9eb22de4346843e94a3f3861f8ee66

  • SSDEEP

    24576:DYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnVyzGygvG6N7z+g9k3kMmeS4fTFuKiUR5Zh:DYREXSVMDi37ygvBq/Zj3Fz

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 1 IoCs
  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 14 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d336deda06c51b4063dc4ef1d8a775502057c67b2d2de633715df363723149db.exe
    "C:\Users\Admin\AppData\Local\Temp\d336deda06c51b4063dc4ef1d8a775502057c67b2d2de633715df363723149db.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\look2.exe
      C:\Users\Admin\AppData\Local\Temp\\look2.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1672
    • C:\Users\Admin\AppData\Local\Temp\HD_d336deda06c51b4063dc4ef1d8a775502057c67b2d2de633715df363723149db.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d336deda06c51b4063dc4ef1d8a775502057c67b2d2de633715df363723149db.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 196
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2764
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2564
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259392050.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2500

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      1.6MB

      MD5

      d887789b0fb80ead34b1829107e5d455

      SHA1

      26b3c24706ccb2efaac12f8fc844c5c8d67f8814

      SHA256

      6296b127455eff9f39708ab2eaace7d2da773895892ba93c488b1f061e0e8179

      SHA512

      d0a1ef9e250491785fcae8052958cf439bd86fc4147698de2ee29db6dbed639ac2a3385b2f907744586bd1986cf4ee5717c9e5def453c11444076a7bfdae2bcf

    • \Users\Admin\AppData\Local\Temp\HD_d336deda06c51b4063dc4ef1d8a775502057c67b2d2de633715df363723149db.exe

      Filesize

      1008KB

      MD5

      c440d988cd1cc00f574c292203a9f92d

      SHA1

      a8f2785f302e91cc958128911b235c6ecfd8ee1e

      SHA256

      3b20019629393600d04a011ad7600aa6bc2f610bd9642a1f796451d889f6649c

      SHA512

      b94ba0c518a4032abf9afeef9293f7783925f99a8b32ce9691846b9a6d54a71dbe97a3cf26eec59d5a01b86e840b5aca84e2a4d38292df00da683291c45761a2

    • \Users\Admin\AppData\Local\Temp\look2.exe

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259392050.bat

      Filesize

      51KB

      MD5

      d9806e1fa1ad21883c42fef3a920004e

      SHA1

      b059cd9046409c36387f64207c4ae747fc63b595

      SHA256

      ca3b37ad236a19e921a7566fce0fc6f6098548fa2c6f06b18780ad266caea9eb

      SHA512

      fd121dda3b9d22aa8b1e98be7c1c3ed4cb16c6e7ed9c05aad4b364de2368217d267b7f291fc47f0cba15d622ca825760f66238a9198eda8702b9ad3a050e4dd1

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d