General

  • Target

    sample

  • Size

    482KB

  • Sample

    240430-xgx19ade2x

  • MD5

    6c58cfcfcd83e372eb8facbf0b9bd003

  • SHA1

    92068a11e8fa369f706874596059c7f75a67889d

  • SHA256

    a00f705b4a5d0d0a21700b0c95198e0fa51c06e6670cfe559b259a23e072fb63

  • SHA512

    e28dec999ddf7913f345e16d129d7a4f8db1b88c22d5e988d9173c35a9f52a6ff78737fc268bc078ebb8cf313a8476431b9c2138c1a174afe6d98781669aef5a

  • SSDEEP

    6144:8GpCkUCkACkhCkoCkDCkBCkbCkgCkyCkTDA:8GCpCHCaCBCECyCuClCrCKDA

Malware Config

Targets

    • Target

      sample

    • Size

      482KB

    • MD5

      6c58cfcfcd83e372eb8facbf0b9bd003

    • SHA1

      92068a11e8fa369f706874596059c7f75a67889d

    • SHA256

      a00f705b4a5d0d0a21700b0c95198e0fa51c06e6670cfe559b259a23e072fb63

    • SHA512

      e28dec999ddf7913f345e16d129d7a4f8db1b88c22d5e988d9173c35a9f52a6ff78737fc268bc078ebb8cf313a8476431b9c2138c1a174afe6d98781669aef5a

    • SSDEEP

      6144:8GpCkUCkACkhCkoCkDCkBCkbCkgCkyCkTDA:8GCpCHCaCBCECyCuClCrCKDA

    • UAC bypass

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies AppInit DLL entries

    • Possible privilege escalation attempt

    • Sets file execution options in registry

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Modifies system executable filetype association

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • UPX packed file

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

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

7
T1112

File and Directory Permissions Modification

1
T1222

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Query Registry

6
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

6
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks