Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 05:55

General

  • Target

    f2da7322366c83b0c0c2dd93ff3b2d0a70cd91a6ddfc2418f2759e9fedcf9b67.exe

  • Size

    556KB

  • MD5

    28c7103f2914616df52789c1552c8fff

  • SHA1

    1c399616e0be74b7464c4604a3ab980158cd3089

  • SHA256

    f2da7322366c83b0c0c2dd93ff3b2d0a70cd91a6ddfc2418f2759e9fedcf9b67

  • SHA512

    5ca5c3da1a1b55bc98215505b92f5a04248fb1d0356747da10bcc2758d79223154b2ee150712e5e39176dc258fa094a6e470ef57d789ea3cc2957bce58160f08

  • SSDEEP

    12288:hGosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:hGosTxSEXzOV/UaIBNLMp20wMMT6

Score
8/10

Malware Config

Signatures

  • UPX packed file 6 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\f2da7322366c83b0c0c2dd93ff3b2d0a70cd91a6ddfc2418f2759e9fedcf9b67.exe
    "C:\Users\Admin\AppData\Local\Temp\f2da7322366c83b0c0c2dd93ff3b2d0a70cd91a6ddfc2418f2759e9fedcf9b67.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:1344
    • C:\Users\Admin\AppData\Local\Temp\f2da7322366c83b0c0c2dd93ff3b2d0a70cd91a6ddfc2418f2759e9fedcf9b67.exe
      "C:\Users\Admin\AppData\Local\Temp\f2da7322366c83b0c0c2dd93ff3b2d0a70cd91a6ddfc2418f2759e9fedcf9b67.exe" /_ShowProgress
      2⤵
        PID:788

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\ICReinstall_f2da7322366c83b0c0c2dd93ff3b2d0a70cd91a6ddfc2418f2759e9fedcf9b67.exe

      Filesize

      556KB

      MD5

      28c7103f2914616df52789c1552c8fff

      SHA1

      1c399616e0be74b7464c4604a3ab980158cd3089

      SHA256

      f2da7322366c83b0c0c2dd93ff3b2d0a70cd91a6ddfc2418f2759e9fedcf9b67

      SHA512

      5ca5c3da1a1b55bc98215505b92f5a04248fb1d0356747da10bcc2758d79223154b2ee150712e5e39176dc258fa094a6e470ef57d789ea3cc2957bce58160f08

    • memory/788-61-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/788-63-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1344-54-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1344-56-0x0000000074F41000-0x0000000074F43000-memory.dmp

      Filesize

      8KB

    • memory/1344-57-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1344-62-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1344-65-0x0000000004D30000-0x0000000004D40000-memory.dmp

      Filesize

      64KB

    • memory/1344-66-0x0000000003E20000-0x0000000003F42000-memory.dmp

      Filesize

      1.1MB

    • memory/1344-68-0x0000000004D30000-0x0000000004D40000-memory.dmp

      Filesize

      64KB