Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 01:27

General

  • Target

    9639abdd5377982e1702e9f3ece23033f0e8e5dce495c2a6ac70e3a98cd76df3.exe

  • Size

    414KB

  • MD5

    c3f4ccff74df3688e12ffb8c442ef5b4

  • SHA1

    1d436e72e1c2b7c63f991e4e76e931c364c22e21

  • SHA256

    9639abdd5377982e1702e9f3ece23033f0e8e5dce495c2a6ac70e3a98cd76df3

  • SHA512

    7c4edf9d1c9abc9ca9c3dca2b90b20e6a4664de9980a7229d058bf3ee18c4c15b6695b4aa40b2642ca54006800fdcc47951ced4c77a187881733e4a76fee6a7e

  • 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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 5 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.

  • 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\9639abdd5377982e1702e9f3ece23033f0e8e5dce495c2a6ac70e3a98cd76df3.exe
    "C:\Users\Admin\AppData\Local\Temp\9639abdd5377982e1702e9f3ece23033f0e8e5dce495c2a6ac70e3a98cd76df3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qylng.exe "C:\Users\Admin\AppData\Local\Temp\9639abdd5377982e1702e9f3ece23033f0e8e5dce495c2a6ac70e3a98cd76df3.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4240
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4976
      • C:\Users\Admin\AppData\Local\Temp\qylng.exe
        C:\Users\Admin\AppData\Local\Temp\\qylng.exe "C:\Users\Admin\AppData\Local\Temp\9639abdd5377982e1702e9f3ece23033f0e8e5dce495c2a6ac70e3a98cd76df3.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:220
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\oavrd\tsqgv.dll",Verify C:\Users\Admin\AppData\Local\Temp\qylng.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
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    414KB

    MD5

    de52613082420ad5342050f8dbab7188

    SHA1

    b543deafeb1eb882edf33f79f3397973943aa0cc

    SHA256

    dfd75a92e6577c34d7675a2a0274c8a9dee3022f2f4db78d7934fcd8d7f30570

    SHA512

    87240686d489105b6201d563aeaff4ecda54d86136ba8e8e298886484de0551975b9df626d41215a379aae1b6b16c4ea6205712de792af086ec69348e91b1d77

  • \??\c:\Program Files\oavrd\tsqgv.dll

    Filesize

    228KB

    MD5

    1d8f269132dcfff840109d402ffeee67

    SHA1

    f2aa389c26e66875386c014298547db71fdfa9f4

    SHA256

    daabeb714928816d932b4cdc0d80b34fa2540239dd92f1be032009010338db6f

    SHA512

    99049a489d73800e19c8d24b006abb3f85bdc6b25f6802ec6ff0ceec92bd37b0e75892badc9b36e1eb37b9cdda91b1fa5c3f8532b2936190b01f89cab42fdc37

  • memory/220-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2284-10-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2284-11-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2284-13-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/4628-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/4628-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB