Overview

overview

8

Static

static

8

9c22f3a6ee...3c.exe

windows7_x64

8

9c22f3a6ee...3c.exe

windows10-2004_x64

8

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General

  • Target

    9c22f3a6eebaeefbca837db841da8b22a6220881aa0896a8d9a9c84ab10e4c3c

  • Size

    1.4MB

  • Sample

    220521-wz8d9safd5

  • MD5

    ae2b4316622770a885d6b35bc868a630

  • SHA1

    aee31066081ae58b3b335490e87be87b1a40be07

  • SHA256

    9c22f3a6eebaeefbca837db841da8b22a6220881aa0896a8d9a9c84ab10e4c3c

  • SHA512

    2e28696fd1c449c074701b1484e077b62d3c20242901ba144186b423eabce0d162da5ba787fb7ffa2874edd77295ca1e3267d807d08dcc66477e9031d5ea6d10

Score
8/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      9c22f3a6eebaeefbca837db841da8b22a6220881aa0896a8d9a9c84ab10e4c3c

    • Size

      1.4MB

    • MD5

      ae2b4316622770a885d6b35bc868a630

    • SHA1

      aee31066081ae58b3b335490e87be87b1a40be07

    • SHA256

      9c22f3a6eebaeefbca837db841da8b22a6220881aa0896a8d9a9c84ab10e4c3c

    • SHA512

      2e28696fd1c449c074701b1484e077b62d3c20242901ba144186b423eabce0d162da5ba787fb7ffa2874edd77295ca1e3267d807d08dcc66477e9031d5ea6d10

    Score
    8/10
    bootkitpersistenceupx

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • 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

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks