Analysis

  • max time kernel
    152s
  • max time network
    196s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 17:00

General

  • Target

    b12ffd16d2782a1109d55148b3425e65e4911ba6b4aa29f78b05f08b795ae472.exe

  • Size

    557KB

  • MD5

    d06b7b880d1f45f6339cfb88ff3a1e8c

  • SHA1

    4b42bd4bc4b3d81094e87b48f07f7dd813d9266e

  • SHA256

    b12ffd16d2782a1109d55148b3425e65e4911ba6b4aa29f78b05f08b795ae472

  • SHA512

    b2b017b8a8c1b1fee984477faccab87cf49a188d0d32b86f172ee62ce3920c2a9974ea889118047a2d02e182ea12705a64cb0aa220d84921d4236cd1cf89aeb2

  • SSDEEP

    12288:NGprxNCP22qurlbSoweEIdo94haP+qeRMMzZ:NGxxNCxDpOreEgo94haPviMMzZ

Score
8/10

Malware Config

Signatures

  • UPX packed file 7 IoCs

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

  • 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.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b12ffd16d2782a1109d55148b3425e65e4911ba6b4aa29f78b05f08b795ae472.exe
    "C:\Users\Admin\AppData\Local\Temp\b12ffd16d2782a1109d55148b3425e65e4911ba6b4aa29f78b05f08b795ae472.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Users\Admin\AppData\Local\Temp\b12ffd16d2782a1109d55148b3425e65e4911ba6b4aa29f78b05f08b795ae472.exe
      "C:\Users\Admin\AppData\Local\Temp\b12ffd16d2782a1109d55148b3425e65e4911ba6b4aa29f78b05f08b795ae472.exe" /_ShowProgress
      2⤵
        PID:900

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\ICReinstall_b12ffd16d2782a1109d55148b3425e65e4911ba6b4aa29f78b05f08b795ae472.exe

            Filesize

            557KB

            MD5

            d06b7b880d1f45f6339cfb88ff3a1e8c

            SHA1

            4b42bd4bc4b3d81094e87b48f07f7dd813d9266e

            SHA256

            b12ffd16d2782a1109d55148b3425e65e4911ba6b4aa29f78b05f08b795ae472

            SHA512

            b2b017b8a8c1b1fee984477faccab87cf49a188d0d32b86f172ee62ce3920c2a9974ea889118047a2d02e182ea12705a64cb0aa220d84921d4236cd1cf89aeb2

          • memory/900-61-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/900-63-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1440-54-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1440-55-0x00000000766F1000-0x00000000766F3000-memory.dmp

            Filesize

            8KB

          • memory/1440-56-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1440-57-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1440-62-0x0000000000400000-0x0000000000522000-memory.dmp

            Filesize

            1.1MB

          • memory/1440-64-0x0000000003B20000-0x0000000003C42000-memory.dmp

            Filesize

            1.1MB

          • memory/1440-68-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

            Filesize

            64KB