Overview

overview

9

Static

static

7

5800e1b612...a0.exe

windows7-x64

9

5800e1b612...a0.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    5800e1b612ba0d700c5fd012b8ec3e58aa0a87640c754057e3df86505d857da0

  • Size

    254KB

  • Sample

    240419-1pf99ahc3t

  • MD5

    1b3e568e1692cb4550b802eec55fc3c4

  • SHA1

    bde7e835e3bf9de1b2ad581f1e35a4614599cbe9

  • SHA256

    5800e1b612ba0d700c5fd012b8ec3e58aa0a87640c754057e3df86505d857da0

  • SHA512

    8e849c3defeda10703d8ad75f51f0e0611d1f05c3c0d2f8f83ea5caace7cf531accc10fea72cd973c6a43e9f99ae81aa6f74d091e10d9b7078f9972b5f841ee6

  • SSDEEP

    6144:lf4/sJYWd+ZO+oTcboiSLhCGnFo7ksYKFn3DqFn9WO:lf4QlqMT0oignsd3rO

Score
9/10
aspackv2bootkitpersistencespywarestealer

Malware Config

Targets

    • Target

      5800e1b612ba0d700c5fd012b8ec3e58aa0a87640c754057e3df86505d857da0

    • Size

      254KB

    • MD5

      1b3e568e1692cb4550b802eec55fc3c4

    • SHA1

      bde7e835e3bf9de1b2ad581f1e35a4614599cbe9

    • SHA256

      5800e1b612ba0d700c5fd012b8ec3e58aa0a87640c754057e3df86505d857da0

    • SHA512

      8e849c3defeda10703d8ad75f51f0e0611d1f05c3c0d2f8f83ea5caace7cf531accc10fea72cd973c6a43e9f99ae81aa6f74d091e10d9b7078f9972b5f841ee6

    • SSDEEP

      6144:lf4/sJYWd+ZO+oTcboiSLhCGnFo7ksYKFn3DqFn9WO:lf4QlqMT0oignsd3rO

    Score
    9/10
    aspackv2bootkitpersistencespywarestealer

    • Detects executables containing base64 encoded User Agent

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Deletes itself

    • 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

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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 v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks