Overview

overview

10

Static

static

44433.xlsx

windows7_x64

10

44433.xlsx

windows10_x64

1

Sharing

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General

  • Target

    44433.xlsx

  • Size

    228KB

  • Sample

    211117-rwxq5shhep

  • MD5

    4b706efaed4510b2dd3666d5db7c031d

  • SHA1

    685b71c0c0c322355631216d0bc1151a6907f107

  • SHA256

    9633233c282a607fa77c682297792ee969551fecf2d1f8b4aef84d1c5727815f

  • SHA512

    794baae84872ffa510995d8aa888ef658d2d002d6d638c4171d5159dcdcb94c634d4d6c406005d40bbd3b43a68585dd11fd7af1ad2a4e4d612ac7b354fecfbf0

Score
10/10
neshtapersistencespywarestealersuricata

Malware Config

Targets

    • Target

      44433.xlsx

    • Size

      228KB

    • MD5

      4b706efaed4510b2dd3666d5db7c031d

    • SHA1

      685b71c0c0c322355631216d0bc1151a6907f107

    • SHA256

      9633233c282a607fa77c682297792ee969551fecf2d1f8b4aef84d1c5727815f

    • SHA512

      794baae84872ffa510995d8aa888ef658d2d002d6d638c4171d5159dcdcb94c634d4d6c406005d40bbd3b43a68585dd11fd7af1ad2a4e4d612ac7b354fecfbf0

    Score
    10/10
    neshtapersistencespywarestealersuricata

    • Modifies system executable filetype association

      persistence

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks