General

  • Target

    file.exe

  • Size

    7MB

  • Sample

    231207-z5k3psff59

  • MD5

    c4c0cbe456109ffaae58a374a5a622f4

  • SHA1

    03a42a25e206e27548997d4eecb591f4c2a3033c

  • SHA256

    607a59a572750874fd2b86c2b41ce8b3a3d690a674c6d21f88735cf5b0a0e566

  • SHA512

    5a412b7c6a03dc8d335347461aefc2e316b2e3ed88c2413ce8096982b3052eb51ec467668e17ce7e2db6e2e3a65469442738967687f62cd46e5acb0f6cccef21

  • SSDEEP

    196608:91Ov2yWu+0dLOOqAF8uS7jlslz8obq1MmBYb9nIn9:3OVH9OOqQKo9UYb9y9

Malware Config

Targets

    • Target

      file.exe

    • Size

      7MB

    • MD5

      c4c0cbe456109ffaae58a374a5a622f4

    • SHA1

      03a42a25e206e27548997d4eecb591f4c2a3033c

    • SHA256

      607a59a572750874fd2b86c2b41ce8b3a3d690a674c6d21f88735cf5b0a0e566

    • SHA512

      5a412b7c6a03dc8d335347461aefc2e316b2e3ed88c2413ce8096982b3052eb51ec467668e17ce7e2db6e2e3a65469442738967687f62cd46e5acb0f6cccef21

    • SSDEEP

      196608:91Ov2yWu+0dLOOqAF8uS7jlslz8obq1MmBYb9nIn9:3OVH9OOqQKo9UYb9y9

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • Checks BIOS information in registry

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

    • 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.

    • Checks installed software on the system

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

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks