Overview

overview

10

Static

static

1

c0535f6d6c...80.exe

windows7_x64

10

c0535f6d6c...80.exe

windows10_x64

10

Sharing

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General

  • Target

    c0535f6d6c2e1cb29d5dc3ea52eb2a49afe84141a3218d7dd7e4edd374c13380.zip

  • Size

    2.0MB

  • Sample

    201105-ffewlw83lj

  • MD5

    1e99eb8850f26253f5be854d565500c4

  • SHA1

    459e90d1ce2d308a9a79d5e8374dc06e04fd2650

  • SHA256

    7aa5ae3c98257be5d519111d397c55701ab70487e7c9d6f4405d15a4fc773ba2

  • SHA512

    86ddd0cd0445e05fca79cbebbf932cc61d2c816e398f6840e2d5fc8f9d456e14b6bea96fcb429f21e5f31fc7b4e18fc2f8c3f4ad8b5dc5d85be93d16eef7a9f9

Score
10/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target

      c0535f6d6c2e1cb29d5dc3ea52eb2a49afe84141a3218d7dd7e4edd374c13380

    • Size

      2.3MB

    • MD5

      4129cd6243cb30da2238ac0fb45fca73

    • SHA1

      8bca8482c2a45c9f801df9ba39e61d197173d1f5

    • SHA256

      c0535f6d6c2e1cb29d5dc3ea52eb2a49afe84141a3218d7dd7e4edd374c13380

    • SHA512

      eb1a1cbdeaddf51b8ac77a14d069ddc9dcf02c6e9eddc51dbcc983843908fee590269287a294ad244a8a2e268a99eaced5d955660867a701497f8cc117c5ccaa

    Score
    10/10
    bootkitdiscoverypersistence

    • Registers COM server for autorun

      persistence

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • JavaScript code in executable

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    • Modifies service

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Bootkit

1
T1067

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks