Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    07/05/2024, 07:21

General

  • Target

    29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe

  • Size

    404KB

  • MD5

    d1cc50cc989327483ed464a6ce575c42

  • SHA1

    af5609dafec8a1c9a481a4a78134d11e77cb61f4

  • SHA256

    29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1

  • SHA512

    def72c27a497f1a14a48b52a4dd216eae4d480e0740a024382b3d85bf41806552763b608724b927153777030eb0ff45c62fe2b299fde810ca9818b1673dd1fc0

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe
    "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\atytp.exe "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2392
      • C:\Users\Admin\AppData\Local\Temp\atytp.exe
        C:\Users\Admin\AppData\Local\Temp\\atytp.exe "C:\Users\Admin\AppData\Local\Temp\29199052b3506fa030c60092697ec61556e3dae63976101aac939f6dab2e48a1.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2796
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\wdrrl\xgltzadhj.dll",Verify C:\Users\Admin\AppData\Local\Temp\atytp.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2592

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Program Files\wdrrl\xgltzadhj.dll

          Filesize

          228KB

          MD5

          ab835376ad39138ec451a6757e6bade7

          SHA1

          5bca80ef943039988dc9c5604393ec30022b0c34

          SHA256

          abe8e8c1f660fead212521ede4437e0cfb77aeced38e98a3a49988a5cd8b4e63

          SHA512

          4d5e298bd5848fa8ecddf2ec8260da2138fc6a891e532286e57e06a69dcfe40ec92ee9df4091fe09d08666b2afacfd556c74caa6dc2c83a42c80a2043769b629

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

          Filesize

          404KB

          MD5

          74bcfe32e526e67af864b64321d7672b

          SHA1

          9edb789d38e47d8cbc9f6cf21b903e9f157bf6f6

          SHA256

          b0a38b9547be300051ddec14a32f95af6ae46269ebc8a0f6702cc74535024d61

          SHA512

          a07cb642188c9b5955cee63f4bd1dde4c96377f995544aa60bc3aa935487d0c25aee7f0ad09f4149d9fc921feb518c2d34453cceddb6643ece3b41c11b586f73

        • memory/1940-2-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/1940-0-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/2592-18-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2592-22-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2592-17-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2592-20-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2592-19-0x0000000010000000-0x0000000010080000-memory.dmp

          Filesize

          512KB

        • memory/2796-11-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/2796-9-0x0000000000400000-0x0000000000464000-memory.dmp

          Filesize

          400KB

        • memory/3036-6-0x0000000000370000-0x00000000003D4000-memory.dmp

          Filesize

          400KB

        • memory/3036-7-0x0000000000370000-0x00000000003D4000-memory.dmp

          Filesize

          400KB