Overview

overview

10

Static

static

3

aa5add609a...cf.exe

windows7-x64

10

aa5add609a...cf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aa5add609a047ea6bf5cf3caca5510d82833d3873dc3e04bd98f1abb5b52b2cf

  • Size

    610KB

  • Sample

    240615-a1y2bswgpq

  • MD5

    da97e6d9e3508bb209c851da4aaa8f2f

  • SHA1

    f7f4888b4a08c7433169fc045d05d8f9561d58ba

  • SHA256

    aa5add609a047ea6bf5cf3caca5510d82833d3873dc3e04bd98f1abb5b52b2cf

  • SHA512

    8b8193e39881157597b42a87303d0cc031fef10b646e661a74eebf42e66debfb0c5b4700c8a226a0b73dde8b9708812874c18d41e57e89d718816a3d16a215f3

  • SSDEEP

    12288:b4vC5gvNcUHXg+mkoBIZuEp++7PVkb41gx32rT:b4vCSvNcGXm1IAEp++Ba4mx

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      aa5add609a047ea6bf5cf3caca5510d82833d3873dc3e04bd98f1abb5b52b2cf

    • Size

      610KB

    • MD5

      da97e6d9e3508bb209c851da4aaa8f2f

    • SHA1

      f7f4888b4a08c7433169fc045d05d8f9561d58ba

    • SHA256

      aa5add609a047ea6bf5cf3caca5510d82833d3873dc3e04bd98f1abb5b52b2cf

    • SHA512

      8b8193e39881157597b42a87303d0cc031fef10b646e661a74eebf42e66debfb0c5b4700c8a226a0b73dde8b9708812874c18d41e57e89d718816a3d16a215f3

    • SSDEEP

      12288:b4vC5gvNcUHXg+mkoBIZuEp++7PVkb41gx32rT:b4vCSvNcGXm1IAEp++Ba4mx

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (59) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks