Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 09:13

General

  • Target

    940cbb804c8de91926570ef53e8a6434b32307436552c77f95f1b44f884809e4.exe

  • Size

    556KB

  • MD5

    1f75170027b7eb80eafdff34324e6f24

  • SHA1

    17e8b43bdb9c61508283e611a2f75fbacb8fe71b

  • SHA256

    940cbb804c8de91926570ef53e8a6434b32307436552c77f95f1b44f884809e4

  • SHA512

    0afd84341bcaa32b83ea1daf1db6d2d4221b69cffdef55c13e4bc086017fa2a5953fcef45511132d1bbdb8ad04e1f44e4fa92fdd8c942903fdaf14a92bdb778d

  • SSDEEP

    12288:2GosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:2GosTxSEXzOV/UaIBNLMp20wMMT6

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\940cbb804c8de91926570ef53e8a6434b32307436552c77f95f1b44f884809e4.exe
    "C:\Users\Admin\AppData\Local\Temp\940cbb804c8de91926570ef53e8a6434b32307436552c77f95f1b44f884809e4.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\ICReinstall_940cbb804c8de91926570ef53e8a6434b32307436552c77f95f1b44f884809e4.exe

    Filesize

    556KB

    MD5

    1f75170027b7eb80eafdff34324e6f24

    SHA1

    17e8b43bdb9c61508283e611a2f75fbacb8fe71b

    SHA256

    940cbb804c8de91926570ef53e8a6434b32307436552c77f95f1b44f884809e4

    SHA512

    0afd84341bcaa32b83ea1daf1db6d2d4221b69cffdef55c13e4bc086017fa2a5953fcef45511132d1bbdb8ad04e1f44e4fa92fdd8c942903fdaf14a92bdb778d

  • memory/1044-54-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/1044-55-0x0000000075071000-0x0000000075073000-memory.dmp

    Filesize

    8KB

  • memory/1044-56-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/1044-58-0x0000000003780000-0x0000000003790000-memory.dmp

    Filesize

    64KB

  • memory/1044-61-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB