General

  • Target

    b5e60abc583ff3d62896c265bcd95d924bc0f63d74eac1767d6f26588f980f59

  • Size

    7.2MB

  • Sample

    240613-3w5brsweld

  • MD5

    77fdcf0256bc7d5a3480f743e1073560

  • SHA1

    20c662e5d065c60f92cc3fd7cc042aedddb14d22

  • SHA256

    b5e60abc583ff3d62896c265bcd95d924bc0f63d74eac1767d6f26588f980f59

  • SHA512

    0d07aa13bebfd008fc41f71bf266fe2d755593eb358f563528ee4689f261ea833e6bdfc3001a2fc80b737ce210dd605c5e3cd99f1cef84739a33b360f160f922

  • SSDEEP

    98304:91OqcyeknVRsKbootofR/bhs6cnSQIcn1/6sFEGCpYO/5H4y1QCi2erNssgWUCsD:91OqcyEucR/ds6cSQN/yNiDpVZJre

Malware Config

Targets

    • Target

      b5e60abc583ff3d62896c265bcd95d924bc0f63d74eac1767d6f26588f980f59

    • Size

      7.2MB

    • MD5

      77fdcf0256bc7d5a3480f743e1073560

    • SHA1

      20c662e5d065c60f92cc3fd7cc042aedddb14d22

    • SHA256

      b5e60abc583ff3d62896c265bcd95d924bc0f63d74eac1767d6f26588f980f59

    • SHA512

      0d07aa13bebfd008fc41f71bf266fe2d755593eb358f563528ee4689f261ea833e6bdfc3001a2fc80b737ce210dd605c5e3cd99f1cef84739a33b360f160f922

    • SSDEEP

      98304:91OqcyeknVRsKbootofR/bhs6cnSQIcn1/6sFEGCpYO/5H4y1QCi2erNssgWUCsD:91OqcyEucR/ds6cSQN/yNiDpVZJre

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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