Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 13:32

General

  • Target

    a936358d2c1bc40cada39b3467e78138161a5c4be44143d2c16c8e13acc2f147.exe

  • Size

    406KB

  • MD5

    7eaba6702a0f2b41ff07b8ba063a7f8a

  • SHA1

    84e4dbc9571f641252389f979b76f5e6bb3d8b5e

  • SHA256

    a936358d2c1bc40cada39b3467e78138161a5c4be44143d2c16c8e13acc2f147

  • SHA512

    c8b6dfe813fc8b5b413c62ffbbd64979200f32d17cf62ffe7026403377f15f0bf24de1e62294c12854efb67ecde7c29f288fd1d206a2cc51ffcd57a6e6eefe76

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4R:gtRfJcNYFNm8UhlZGseR

Malware Config

Signatures

  • Blocklisted process makes network request 9 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\a936358d2c1bc40cada39b3467e78138161a5c4be44143d2c16c8e13acc2f147.exe
    "C:\Users\Admin\AppData\Local\Temp\a936358d2c1bc40cada39b3467e78138161a5c4be44143d2c16c8e13acc2f147.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ldiizmqm.exe "C:\Users\Admin\AppData\Local\Temp\a936358d2c1bc40cada39b3467e78138161a5c4be44143d2c16c8e13acc2f147.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:804
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2644
      • C:\Users\Admin\AppData\Local\Temp\ldiizmqm.exe
        C:\Users\Admin\AppData\Local\Temp\\ldiizmqm.exe "C:\Users\Admin\AppData\Local\Temp\a936358d2c1bc40cada39b3467e78138161a5c4be44143d2c16c8e13acc2f147.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1312
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\uhwzsp\gdgzx.dll",Verify C:\Users\Admin\AppData\Local\Temp\ldiizmqm.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:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    407KB

    MD5

    780bd9e11a3d943a1be43337e15a713b

    SHA1

    b133b5920809eb99a63772908e049b61ed75c5d6

    SHA256

    7d624a62e5ebff6966bc01774b8a3a7f863052093236391327cf5ad64776ac1f

    SHA512

    49866d6d313c67f1270b97db64bbea4550f5a9a14784a5cecaf4d9fd241da510c8d90169dc0a121baffe5c36a2cd3a362b4d36a72a2a1458bd1197483cfc6863

  • \??\c:\Program Files\uhwzsp\gdgzx.dll

    Filesize

    228KB

    MD5

    11a61ca7a3f2eb65f29470de32232357

    SHA1

    46d4923a7140e6439ad314e68afe32786165b1dd

    SHA256

    c76e04a3145ba8a8d5867c9becb1cffdeafc2c3d217b90ef120e33d227080522

    SHA512

    2ebd95e61562c92039f8a021d54f2fc9a65eb8522ba79f01b133149504848b53980758912af5c8c1a3b9ef574aaccee4a039b107d6a11c5b332516edb055ac78

  • memory/1312-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1736-10-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/1736-12-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/1736-13-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/3520-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/3520-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB