Overview

overview

10

Static

static

b3df40d3df...f5.exe

windows7-x64

10

b3df40d3df...f5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b3df40d3dfe91591a1532cbd4f676d841f208e496298c2c31b1386b30b45fcf5

  • Size

    676KB

  • Sample

    221126-2k2k3aea4s

  • MD5

    d848b72d1f7fc6a056bcc576897feff5

  • SHA1

    b69f8527ae4f0f58034b072f15a150939f8db747

  • SHA256

    b3df40d3dfe91591a1532cbd4f676d841f208e496298c2c31b1386b30b45fcf5

  • SHA512

    14f95c1a6c265bf5166b2987c7faf6d4bc4fc725d8607878e0a82a78ae055be7061e94beacbf73aec1a1194807b3212629c762caa4efda76faafe6ce144d19ed

  • SSDEEP

    12288:8K2mhAMJ/cPlUvVAeV2id7GPKirXxpz7A+TIP2WmcyoDJvmwD88y2fYZKknCHfoE:p2O/GlUvVAWd+rBp/1TC2WmcyCtz88yq

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      b3df40d3dfe91591a1532cbd4f676d841f208e496298c2c31b1386b30b45fcf5

    • Size

      676KB

    • MD5

      d848b72d1f7fc6a056bcc576897feff5

    • SHA1

      b69f8527ae4f0f58034b072f15a150939f8db747

    • SHA256

      b3df40d3dfe91591a1532cbd4f676d841f208e496298c2c31b1386b30b45fcf5

    • SHA512

      14f95c1a6c265bf5166b2987c7faf6d4bc4fc725d8607878e0a82a78ae055be7061e94beacbf73aec1a1194807b3212629c762caa4efda76faafe6ce144d19ed

    • SSDEEP

      12288:8K2mhAMJ/cPlUvVAeV2id7GPKirXxpz7A+TIP2WmcyoDJvmwD88y2fYZKknCHfoE:p2O/GlUvVAWd+rBp/1TC2WmcyCtz88yq

    Score
    10/10
    evasionpersistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks