Analysis

  • max time kernel
    146s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 00:40

General

  • Target

    849d94512ae368e75cb0eeb13339c752f7c12254a429b887c99c6bbc6444de00.exe

  • Size

    202KB

  • MD5

    ee4f1bb44ebde2bd97c7627c92016842

  • SHA1

    70e1a087bc87ede1bf33897df9a4a20dab64778e

  • SHA256

    849d94512ae368e75cb0eeb13339c752f7c12254a429b887c99c6bbc6444de00

  • SHA512

    d610e258a7d5a7e6c60dcbcc71d9b200fe5f399ec293b51bfc2a715d68e26a49da05719dce27a2505ff5d1f58fbf6edfa30fdb85bbbe2ae2286fdd4c14a133f9

  • SSDEEP

    3072:a74MyJjjlLzVjN50BdQqlYgp72xzbuawaGO0OJw8KWs6IgVLE7QkfIA9:awj30dlZ+GVaRVLE7QkfIG

Malware Config

Signatures

  • Blocklisted process makes network request 9 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 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\849d94512ae368e75cb0eeb13339c752f7c12254a429b887c99c6bbc6444de00.exe
    "C:\Users\Admin\AppData\Local\Temp\849d94512ae368e75cb0eeb13339c752f7c12254a429b887c99c6bbc6444de00.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\aghkx.exe "C:\Users\Admin\AppData\Local\Temp\849d94512ae368e75cb0eeb13339c752f7c12254a429b887c99c6bbc6444de00.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2744
      • 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:2772
      • C:\Users\Admin\AppData\Local\Temp\aghkx.exe
        C:\Users\Admin\AppData\Local\Temp\\aghkx.exe "C:\Users\Admin\AppData\Local\Temp\849d94512ae368e75cb0eeb13339c752f7c12254a429b887c99c6bbc6444de00.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:2560
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\qwfek\yvdmm.dll",method C:\Users\Admin\AppData\Local\Temp\aghkx.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)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2844

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          202KB

          MD5

          29b7739bc8482905228587fc9baec782

          SHA1

          4b9ef7954e79cdebba1a368ef74190dabeb4c505

          SHA256

          2072edbd9914a8b75dd098c93867f68365340ef7892fe53c1874f40027efa50e

          SHA512

          57f369f5165426d41534bce64939970a0f7ed73ba3443718939aed69107cc698b9e2dc2c5e645713474f06da5799fbc063f84b20054613f9e1e38025a92bde4a

        • \??\c:\Program Files\qwfek\yvdmm.dll

          Filesize

          148KB

          MD5

          52f3889622c6fda06c372098fd0aa79a

          SHA1

          bdef8676e5bbce3b911f80d0f00b676ab7c786eb

          SHA256

          a03eaee22fa57f760996788660a22b1e62820546c2fd9ded5ee9a5b18e6d28c8

          SHA512

          ed2e92303f763c0faffd70f7250c7668eb7d354127a908acae65c7c169d0cbbd833efaff05136d93b9754dc6a6d15f4d00ef9cb19f3a302be1ab14fac2d56fdc

        • memory/2412-0-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2412-2-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2560-10-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2744-5-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2844-19-0x0000000010050000-0x0000000010051000-memory.dmp

          Filesize

          4KB

        • memory/2844-18-0x0000000010000000-0x0000000010056000-memory.dmp

          Filesize

          344KB

        • memory/2844-17-0x0000000010000000-0x0000000010056000-memory.dmp

          Filesize

          344KB

        • memory/2844-16-0x0000000010000000-0x0000000010056000-memory.dmp

          Filesize

          344KB

        • memory/2844-20-0x0000000010000000-0x0000000010056000-memory.dmp

          Filesize

          344KB

        • memory/2844-22-0x0000000010000000-0x0000000010056000-memory.dmp

          Filesize

          344KB