Overview

overview

9

Static

static

appshm_rui.exe

windows7-x64

9

appshm_rui.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    399f42c8b28cc5250ef7d32ea940804e8e09386e40836f76cb4d2b100e503839

  • Size

    490KB

  • Sample

    221125-178gfsba22

  • MD5

    3567b3fc8d5018049d41959e939a1cc3

  • SHA1

    61fd750abfb67c102879a54305bbd865fddc09d8

  • SHA256

    399f42c8b28cc5250ef7d32ea940804e8e09386e40836f76cb4d2b100e503839

  • SHA512

    755427b74727434ea895c76cd458a6ab327a804ea9b383a315eb0f61503c60a9860ee0f48c18efebb2a9ea1e99aaac0084eaa8787c95ab26b4b2d43e1df91b97

  • SSDEEP

    12288:4Dl3O+xcRw09sD4Xi1EA8d415rjsLX8K4554L4EFjOquag:4D5rc+0WkXIEAW4rrjnh54L4i7uT

Score
9/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      appshm_rui.exe

    • Size

      1.2MB

    • MD5

      1fe9d6f05160e20e8a592bb15f4d70e8

    • SHA1

      b7c66b9013a1bcb9f796c6fd9c4c05c1ec125d51

    • SHA256

      1358f43f450041e5a6bf2a3d57427a9588ab182989e13870cd6469a5875ba923

    • SHA512

      bfe0355800d7150699e731c46191b2292e97483740991727b3e6a5542170bcdc60df0d15831eda805e9a73a53b0c2ebc0552b92bff91a59c5284cb3918ae4f58

    • SSDEEP

      24576:Cdx7bVHMUfgeJ9/DXuPBqV1kD2024/xOi4iHaf7ivLG3L:CrDdaYVZ4/h4JzEk

    Score
    9/10
    bootkitpersistenceupx

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks