Analysis

  • max time kernel
    149s
  • max time network
    184s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 04:11

General

  • Target

    ec201eb00aa2597bfa0ee475e5868f19373f3d81be15e502330eafa231e3523f.exe

  • Size

    556KB

  • MD5

    5361788f4d886651668a92280710d9cd

  • SHA1

    a529a71ca67061ec52209805e5c53f4e1f348148

  • SHA256

    ec201eb00aa2597bfa0ee475e5868f19373f3d81be15e502330eafa231e3523f

  • SHA512

    17e00d2aa1977e8c62b479a9095c4a4a0d11c2b96cd773b6b044269dd00a3b5711f3258818778e2f556225102dd400963776f810b5c7b92194e7158b5ab538b1

  • SSDEEP

    12288:MGosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:MGosTxSEXzOV/UaIBNLMp20wMMT6

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\ec201eb00aa2597bfa0ee475e5868f19373f3d81be15e502330eafa231e3523f.exe
    "C:\Users\Admin\AppData\Local\Temp\ec201eb00aa2597bfa0ee475e5868f19373f3d81be15e502330eafa231e3523f.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:564
    • C:\Users\Admin\AppData\Local\Temp\ec201eb00aa2597bfa0ee475e5868f19373f3d81be15e502330eafa231e3523f.exe
      "C:\Users\Admin\AppData\Local\Temp\ec201eb00aa2597bfa0ee475e5868f19373f3d81be15e502330eafa231e3523f.exe" /_ShowProgress
      2⤵
        PID:1444

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\ICReinstall_ec201eb00aa2597bfa0ee475e5868f19373f3d81be15e502330eafa231e3523f.exe

      Filesize

      556KB

      MD5

      5361788f4d886651668a92280710d9cd

      SHA1

      a529a71ca67061ec52209805e5c53f4e1f348148

      SHA256

      ec201eb00aa2597bfa0ee475e5868f19373f3d81be15e502330eafa231e3523f

      SHA512

      17e00d2aa1977e8c62b479a9095c4a4a0d11c2b96cd773b6b044269dd00a3b5711f3258818778e2f556225102dd400963776f810b5c7b92194e7158b5ab538b1

    • memory/564-55-0x0000000075D01000-0x0000000075D03000-memory.dmp

      Filesize

      8KB

    • memory/564-54-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/564-57-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/564-56-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/564-63-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/564-67-0x00000000020C0000-0x00000000020D0000-memory.dmp

      Filesize

      64KB

    • memory/564-68-0x00000000020C0000-0x00000000020D0000-memory.dmp

      Filesize

      64KB

    • memory/1444-60-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB

    • memory/1444-62-0x0000000000400000-0x0000000000522000-memory.dmp

      Filesize

      1.1MB