Analysis

  • max time kernel
    150s
  • max time network
    205s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2022 04:29

General

  • Target

    df980bcb5fabb3d8b2252eb8d2df2e8052982732f88a1a91226cd252e1124110.exe

  • Size

    556KB

  • MD5

    636466a615173cee6268d218ee8a43d2

  • SHA1

    bf5b874d27d076717057fc9d50817013589292aa

  • SHA256

    df980bcb5fabb3d8b2252eb8d2df2e8052982732f88a1a91226cd252e1124110

  • SHA512

    790cadec848cef46941df73289aed5a77aa164c5bc91955e6026c4377b19a19693b2447ce6072c97aaca6ea77449df6d366c1f81b0cf0ef3175b3dd5e3548466

  • SSDEEP

    12288:6GosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:6GosTxSEXzOV/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\df980bcb5fabb3d8b2252eb8d2df2e8052982732f88a1a91226cd252e1124110.exe
    "C:\Users\Admin\AppData\Local\Temp\df980bcb5fabb3d8b2252eb8d2df2e8052982732f88a1a91226cd252e1124110.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\ICReinstall_df980bcb5fabb3d8b2252eb8d2df2e8052982732f88a1a91226cd252e1124110.exe

    Filesize

    556KB

    MD5

    636466a615173cee6268d218ee8a43d2

    SHA1

    bf5b874d27d076717057fc9d50817013589292aa

    SHA256

    df980bcb5fabb3d8b2252eb8d2df2e8052982732f88a1a91226cd252e1124110

    SHA512

    790cadec848cef46941df73289aed5a77aa164c5bc91955e6026c4377b19a19693b2447ce6072c97aaca6ea77449df6d366c1f81b0cf0ef3175b3dd5e3548466

  • memory/956-54-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/956-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

    Filesize

    8KB

  • memory/956-56-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/956-57-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/956-59-0x0000000002120000-0x0000000002130000-memory.dmp

    Filesize

    64KB

  • memory/956-62-0x0000000002120000-0x0000000002130000-memory.dmp

    Filesize

    64KB