Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    18/09/2023, 23:39

General

  • Target

    15b684fa9609d613aaa10cf1aee3cfe0ece2a26dfd7f2b1068b347c7aac1accb.exe

  • Size

    7.6MB

  • MD5

    185fc738f4c877fe7681e9d1f9ab8858

  • SHA1

    75dcf80d4b149c3c7875310f37432c6f4e1a108d

  • SHA256

    15b684fa9609d613aaa10cf1aee3cfe0ece2a26dfd7f2b1068b347c7aac1accb

  • SHA512

    7f1ac7ccf732e3d0439fa11ba78004acaed6cd22e05edbf4f218fef8a52e22fdcd10717e526706c2f4686be15d5e70bf3fa1c7f2ebd0665c44e7c034b0a887e0

  • SSDEEP

    98304:kzJujwhwGa5SbWf+YFCDsmC7IIdehJJBtjN/Cg0xZLZ4QowKGs8U0RJFv:TshMQaf+HOShHjN/JwxZU2v

Score
7/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 3 IoCs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Modifies registry class 40 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15b684fa9609d613aaa10cf1aee3cfe0ece2a26dfd7f2b1068b347c7aac1accb.exe
    "C:\Users\Admin\AppData\Local\Temp\15b684fa9609d613aaa10cf1aee3cfe0ece2a26dfd7f2b1068b347c7aac1accb.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\cmd.exe
      cmd /k regsvr32 /s C:\Windows\zm.dll zm.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 /s C:\Windows\zm.dll zm.dll
        3⤵
        • Modifies registry class
        PID:1928

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\zm.dll

          Filesize

          804KB

          MD5

          c578b6820bda5689940560147c6e5ffc

          SHA1

          922e50d89c9c44bdc205ef17aa57212b64e58852

          SHA256

          3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

          SHA512

          9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

        • C:\qq11503059\gj-data.ini

          Filesize

          31B

          MD5

          8020fb0fbe9004a42ee1f39ebe3b02f9

          SHA1

          d8e775d96c9826a30607c7381637d3709bfa5dfb

          SHA256

          b597e739e60f1456f27ddd261a545a654c0cfc41a2923095d0bb436bd4db2d83

          SHA512

          7c937f5826b9d0f5106f18bd32dfe5ea9514202a39e1476043cf1ba32253d75e0f01d3fcb675deca1245657774ff1eba4c83292c7890613b92329e79e914978e

        • memory/1928-2-0x0000000010000000-0x0000000010176000-memory.dmp

          Filesize

          1.5MB

        • memory/1928-3-0x0000000010000000-0x0000000010176000-memory.dmp

          Filesize

          1.5MB