General

  • Target

    file.exe

  • Size

    7.3MB

  • Sample

    220926-gr18naahan

  • MD5

    8b86303e8c9f5f5183407d2a54587358

  • SHA1

    5385547a9e0ff6bfe1161ef30d4811b9c401236d

  • SHA256

    62713dabaffeb0e344fe048a2184569413699d03cd7350b22d5fdfda78f064f3

  • SHA512

    94b3da0c5e13d643c8b5ab5c2469af9d0bf2fd095bb12b849afd1117261409a8924067cc2f6bcab780d0f549efe208c21cd459e3335ec13f1f1eb70b2383a3f5

  • SSDEEP

    196608:91OazXuuTToDg3coziJEba3LOLE+Qfoizbakrscgtk/VR314:3OC+uIDXo+JEaiE+Qgiy7cgCtR3i

Malware Config

Targets

    • Target

      file.exe

    • Size

      7.3MB

    • MD5

      8b86303e8c9f5f5183407d2a54587358

    • SHA1

      5385547a9e0ff6bfe1161ef30d4811b9c401236d

    • SHA256

      62713dabaffeb0e344fe048a2184569413699d03cd7350b22d5fdfda78f064f3

    • SHA512

      94b3da0c5e13d643c8b5ab5c2469af9d0bf2fd095bb12b849afd1117261409a8924067cc2f6bcab780d0f549efe208c21cd459e3335ec13f1f1eb70b2383a3f5

    • SSDEEP

      196608:91OazXuuTToDg3coziJEba3LOLE+Qfoizbakrscgtk/VR314:3OC+uIDXo+JEaiE+Qgiy7cgCtR3i

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • Executes dropped EXE

    • 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.

    • 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Tasks