Overview

overview

10

Static

static

82bb180990...e8.exe

windows7_x64

10

82bb180990...e8.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    82bb1809904786afc0c13abec22a48b320581ec913bf5bbdddd02fce05ef77e8

  • Size

    602KB

  • Sample

    220215-nyxblsfgcn

  • MD5

    3acdcdee17825753cacc8dfd414e57d3

  • SHA1

    269fcb1ae5794190e1cecdf96b1eaa41188dc2a6

  • SHA256

    82bb1809904786afc0c13abec22a48b320581ec913bf5bbdddd02fce05ef77e8

  • SHA512

    ab700397a9925958914a82d8e02dbbe6e1981980e44dbd982fed3f3d443f6610313e59810e0297ca27542e7b686c9a4340ef8fdb6ec9d24ff5e8437aa4cccd69

Score
10/10
adwarebootkitdiscoveryevasionexploitpersistencestealer

Malware Config

Targets

    • Target

      82bb1809904786afc0c13abec22a48b320581ec913bf5bbdddd02fce05ef77e8

    • Size

      602KB

    • MD5

      3acdcdee17825753cacc8dfd414e57d3

    • SHA1

      269fcb1ae5794190e1cecdf96b1eaa41188dc2a6

    • SHA256

      82bb1809904786afc0c13abec22a48b320581ec913bf5bbdddd02fce05ef77e8

    • SHA512

      ab700397a9925958914a82d8e02dbbe6e1981980e44dbd982fed3f3d443f6610313e59810e0297ca27542e7b686c9a4340ef8fdb6ec9d24ff5e8437aa4cccd69

    Score
    10/10
    adwarebootkitdiscoveryevasionexploitpersistencestealer

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Modifies system executable filetype association

      persistence

    • Disables Task Manager via registry modification

      evasion

    • Modifies Installed Components in the registry

      persistence

    • Possible privilege escalation attempt

      exploit

    • Registers new Print Monitor

      persistence

    • Sets file execution options in registry

      persistence

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

5
T1060

Modify Existing Service

2
T1031

Change Default File Association

1
T1042

Browser Extensions

1
T1176

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

11
T1112

File Permissions Modification

1
T1222

Credential Access

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks