Resubmissions

27-04-2024 06:11

240427-gxstgadd41 9

27-04-2024 06:10

240427-gw843acg28 1

General

  • Target

    aTId3S

  • Size

    512B

  • Sample

    240427-gxstgadd41

  • MD5

    13be4b02a2dc124cddd8668a813ddde1

  • SHA1

    f6ca6a1c6d113222157e093c990f0923dc93a027

  • SHA256

    9e4d758f39b3c78aa35086d78d0e4a2be748e9954dd0543eae8f8b8f799b6d93

  • SHA512

    4060182e705f49d66958767a5e19a3c5df0da4ab7735796040f4153d6466dd0cd4744ade442efddb299fb78b2409b16f2ee9ca721eb5914a1dc2327b62c3a492

Malware Config

Targets

    • Target

      aTId3S

    • Size

      512B

    • MD5

      13be4b02a2dc124cddd8668a813ddde1

    • SHA1

      f6ca6a1c6d113222157e093c990f0923dc93a027

    • SHA256

      9e4d758f39b3c78aa35086d78d0e4a2be748e9954dd0543eae8f8b8f799b6d93

    • SHA512

      4060182e705f49d66958767a5e19a3c5df0da4ab7735796040f4153d6466dd0cd4744ade442efddb299fb78b2409b16f2ee9ca721eb5914a1dc2327b62c3a492

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Enumerates connected drives

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • 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

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Impact

Service Stop

1
T1489

Tasks