Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 12:29

General

  • Target

    13bb7979d20c85394c2576859e34d73d87343b1c9dfeedd0ddea399fab472368.exe

  • Size

    407KB

  • MD5

    87de50af2be2c65124dd39f215bee7d3

  • SHA1

    d59f6bb4171b6663f4a52d847cb1f53cd26d24d0

  • SHA256

    13bb7979d20c85394c2576859e34d73d87343b1c9dfeedd0ddea399fab472368

  • SHA512

    906af19c2ba2f8f24db3b4266c751a8c15dd8a0ff873d9adf9eb01da83dfef5f199093a5994db059e38c4ce835616d9133cfd2b7f9911cbcc7b6a21f4832d436

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13bb7979d20c85394c2576859e34d73d87343b1c9dfeedd0ddea399fab472368.exe
    "C:\Users\Admin\AppData\Local\Temp\13bb7979d20c85394c2576859e34d73d87343b1c9dfeedd0ddea399fab472368.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dudlx.exe "C:\Users\Admin\AppData\Local\Temp\13bb7979d20c85394c2576859e34d73d87343b1c9dfeedd0ddea399fab472368.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3872
      • C:\Users\Admin\AppData\Local\Temp\dudlx.exe
        C:\Users\Admin\AppData\Local\Temp\\dudlx.exe "C:\Users\Admin\AppData\Local\Temp\13bb7979d20c85394c2576859e34d73d87343b1c9dfeedd0ddea399fab472368.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2856
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\xhxft\gibsl.dll",Verify C:\Users\Admin\AppData\Local\Temp\dudlx.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:1076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    407KB

    MD5

    13448c7c48b4d74b7fd34258788d2ad5

    SHA1

    3ad3289ef529a276dddbc9e5f21d5f523adb913e

    SHA256

    36db552ead93290f025151bc054db037af859529b89a41075c2cb3b9a3a73726

    SHA512

    171208055c3d8a12ce9d3399b5e90ab7137e7c68168de3ec2d7084d917a3172ea84bcdc96453ffb787241a73722caffc6a4e7a2e88b9cdfeb6602f15b1ba874e

  • \??\c:\Program Files\xhxft\gibsl.dll

    Filesize

    228KB

    MD5

    48da8d3e799903873f5adbfd2b4368b9

    SHA1

    38fb343b2a4d6814fe9586f5320c2d8a579d7d69

    SHA256

    59567d477f40987311589b12ac58a5a5b136fbfdd6a3e1ca3155b9d702fb4da7

    SHA512

    c80bf89c96174a5ff73bc5771e25439800c98c4ecbbe4b94f3c321285f596eb7bf7924a8586fb5aac2fd176a1a5f2cfde5cb785d47a293cbf3077a180794ee2d

  • memory/1076-11-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/1076-12-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/1076-14-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/1292-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1292-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2856-6-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2856-8-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB