Overview

overview

10

Static

static

3

b3064b7d98...eN.exe

windows7-x64

10

b3064b7d98...eN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b3064b7d985d43ac95233f3139484c93ea15b96d7851f7c560b25948225dd5ceN.exe

  • Size

    440KB

  • Sample

    241126-bs3vzstkhj

  • MD5

    e12692f81e2dc5fcf33913cb764cd2f0

  • SHA1

    d063cc9c3e075df64b575d22ca52aacf8234a01c

  • SHA256

    b3064b7d985d43ac95233f3139484c93ea15b96d7851f7c560b25948225dd5ce

  • SHA512

    073e088817ffc5391108a7699081d2e31b41902bc70cad7346873db60152b40326cd6e827af70dd53315890e5dd83c84d65b297755a44485fb05d56d8b2b0d5b

  • SSDEEP

    6144:Kba8SfiircLRB/c1BALaHd1LRBXrAkSc5C8SkH8OHNDZIlu0kxtWdks:KZZiT1G/kSc5Cw8OtDZI40krs

Score
10/10
discoveryevasionpersistencetrojan

Malware Config

Targets

    • Target

      b3064b7d985d43ac95233f3139484c93ea15b96d7851f7c560b25948225dd5ceN.exe

    • Size

      440KB

    • MD5

      e12692f81e2dc5fcf33913cb764cd2f0

    • SHA1

      d063cc9c3e075df64b575d22ca52aacf8234a01c

    • SHA256

      b3064b7d985d43ac95233f3139484c93ea15b96d7851f7c560b25948225dd5ce

    • SHA512

      073e088817ffc5391108a7699081d2e31b41902bc70cad7346873db60152b40326cd6e827af70dd53315890e5dd83c84d65b297755a44485fb05d56d8b2b0d5b

    • SSDEEP

      6144:Kba8SfiircLRB/c1BALaHd1LRBXrAkSc5C8SkH8OHNDZIlu0kxtWdks:KZZiT1G/kSc5Cw8OtDZI40krs

    Score
    10/10
    discoveryevasionpersistencetrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Windows security modification

      evasiontrojan

    • 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.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

8
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks