Overview

overview

10

Static

static

3

4cb3ba825b...48.exe

windows7-x64

10

4cb3ba825b...48.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4cb3ba825b1fd0b88d02af7ecb1a7cd6e367c6684baffa5d3c98f037d2e5f748.exe

  • Size

    91KB

  • Sample

    240522-2falsabd4s

  • MD5

    256f14fa9fe7b9d368cd067ecded2de0

  • SHA1

    ca3d237606bf17de27862dc027e001c92240097e

  • SHA256

    4cb3ba825b1fd0b88d02af7ecb1a7cd6e367c6684baffa5d3c98f037d2e5f748

  • SHA512

    805aaabab98311d9d008ea3d07fc020eae4ae09683db0d785cc50f09c6a61d71023259f8a2b043fcc415c4b0a7385a2a9904ceed1516da76bfc07f06d4db4509

  • SSDEEP

    768:E3gRYjXbUeHORIC4ZxBMldNKm8Mxm8I+IxrjPfAQ4o3ImumB3gRYjXbUeHORIC40:uT3OA3+KQsxfS4nT3OA3+KQsxfS4u

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      4cb3ba825b1fd0b88d02af7ecb1a7cd6e367c6684baffa5d3c98f037d2e5f748.exe

    • Size

      91KB

    • MD5

      256f14fa9fe7b9d368cd067ecded2de0

    • SHA1

      ca3d237606bf17de27862dc027e001c92240097e

    • SHA256

      4cb3ba825b1fd0b88d02af7ecb1a7cd6e367c6684baffa5d3c98f037d2e5f748

    • SHA512

      805aaabab98311d9d008ea3d07fc020eae4ae09683db0d785cc50f09c6a61d71023259f8a2b043fcc415c4b0a7385a2a9904ceed1516da76bfc07f06d4db4509

    • SSDEEP

      768:E3gRYjXbUeHORIC4ZxBMldNKm8Mxm8I+IxrjPfAQ4o3ImumB3gRYjXbUeHORIC40:uT3OA3+KQsxfS4nT3OA3+KQsxfS4u

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • 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

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

Modify Registry

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks