Overview

overview

8

Static

static

3

fixer (2).exe

windows11-21h2-x64

8

Resubmissions

25-04-2024 10:28

240425-mhrwhshh5t 8

25-04-2024 07:41

240425-jjfm4agh47 9

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General

  • Target

    fixer (2).exe

  • Size

    180KB

  • Sample

    240425-mhrwhshh5t

  • MD5

    db1841bfa15492d1f6a4b46e921068a4

  • SHA1

    9526c45f7a9d59e0a5dda1b57ddbaf8425716e9e

  • SHA256

    176b2fbe38f0d14ee68c65c56e2731646473c0f51e92d3affd2048959fab6bd8

  • SHA512

    22110b41d057696ed5604c84fb40c881024cc8bb045135e258e6f7b0c5baac29d40b7b2b4cb1c4a3391ab2944b43c6b293ec628901abf6447124404111e41b18

  • SSDEEP

    3072:jh+8/+IVkJZ5UkcGkKLv/YiJlNZ9pshMniWGkJAPXsPzljLD3rv8Gz:jh95UZ5L8KL3YirfbshMiWFusPzljLDV

Score
8/10
bootkitevasionpersistenceransomwareupx

Malware Config

Targets

    • Target

      fixer (2).exe

    • Size

      180KB

    • MD5

      db1841bfa15492d1f6a4b46e921068a4

    • SHA1

      9526c45f7a9d59e0a5dda1b57ddbaf8425716e9e

    • SHA256

      176b2fbe38f0d14ee68c65c56e2731646473c0f51e92d3affd2048959fab6bd8

    • SHA512

      22110b41d057696ed5604c84fb40c881024cc8bb045135e258e6f7b0c5baac29d40b7b2b4cb1c4a3391ab2944b43c6b293ec628901abf6447124404111e41b18

    • SSDEEP

      3072:jh+8/+IVkJZ5UkcGkKLv/YiJlNZ9pshMniWGkJAPXsPzljLD3rv8Gz:jh95UZ5L8KL3YirfbshMiWFusPzljLDV

    Score
    8/10
    bootkitevasionpersistenceransomwareupx

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks