Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 09:05

General

  • Target

    97310a6d67d73846b254b13481c03ef22c9e9dca0f924e047b1f02cb06e9acd8.exe

  • Size

    1.1MB

  • MD5

    704bc849c700a70f1be20c53c3f5ae82

  • SHA1

    0db2b29689659a5eb24dcf5ab7c53e583347cc41

  • SHA256

    97310a6d67d73846b254b13481c03ef22c9e9dca0f924e047b1f02cb06e9acd8

  • SHA512

    f8d89fa5be094525e8b4ec672754dca0c94d6148b2cf665e15cc738a082974f5e6126d1e415adfbbd40cd694dd2bef31e4dbc976f60f61004a57a06c013988b7

  • SSDEEP

    24576:WsYZVUnBz6NKPkOUqMhHiln753L+/T4rTtcqtFUWMMrQ:CZuJ6bwYilnF3L+/T4rTJFUWMMc

Score
8/10

Malware Config

Signatures

  • UPX packed file 4 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\97310a6d67d73846b254b13481c03ef22c9e9dca0f924e047b1f02cb06e9acd8.exe
    "C:\Users\Admin\AppData\Local\Temp\97310a6d67d73846b254b13481c03ef22c9e9dca0f924e047b1f02cb06e9acd8.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:1644
    • C:\Users\Admin\AppData\Local\Temp\97310a6d67d73846b254b13481c03ef22c9e9dca0f924e047b1f02cb06e9acd8.exe
      "C:\Users\Admin\AppData\Local\Temp\97310a6d67d73846b254b13481c03ef22c9e9dca0f924e047b1f02cb06e9acd8.exe" /_ShowProgress
      2⤵
        PID:1240

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\ICReinstall_97310a6d67d73846b254b13481c03ef22c9e9dca0f924e047b1f02cb06e9acd8.exe

      Filesize

      1.1MB

      MD5

      704bc849c700a70f1be20c53c3f5ae82

      SHA1

      0db2b29689659a5eb24dcf5ab7c53e583347cc41

      SHA256

      97310a6d67d73846b254b13481c03ef22c9e9dca0f924e047b1f02cb06e9acd8

      SHA512

      f8d89fa5be094525e8b4ec672754dca0c94d6148b2cf665e15cc738a082974f5e6126d1e415adfbbd40cd694dd2bef31e4dbc976f60f61004a57a06c013988b7

    • memory/1240-57-0x0000000000000000-mapping.dmp

    • memory/1240-58-0x0000000000400000-0x0000000000521000-memory.dmp

      Filesize

      1.1MB

    • memory/1644-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

      Filesize

      8KB

    • memory/1644-55-0x0000000000400000-0x0000000000521000-memory.dmp

      Filesize

      1.1MB

    • memory/1644-59-0x0000000003CF0000-0x0000000003D00000-memory.dmp

      Filesize

      64KB

    • memory/1644-62-0x0000000000400000-0x0000000000521000-memory.dmp

      Filesize

      1.1MB

    • memory/1644-63-0x0000000003CF0000-0x0000000003D00000-memory.dmp

      Filesize

      64KB