General

  • Target

    file.exe

  • Size

    7MB

  • Sample

    231207-w7q5ysed99

  • MD5

    ff788972ab8effb3188f96fb156c0845

  • SHA1

    8d2e4abaa7b4b642e9b2de82c793009e40201709

  • SHA256

    a62731d4252f3bc01be75a4da0820cab235996110a66752102e5971929dfe814

  • SHA512

    753e7f7bce6eb06193b43b781c6ca9764b096a3bfaf750bd981a40b9c67452f58f7d274bea432350156b8988fb65f2a1366110e2d6cda9364d2f11799971aa81

  • SSDEEP

    196608:91OvTaIfLM6pcEUYYoqsA7oLNPsUs1diN91uDys4Qq:3OrUiVVqsIIagZuDU

Malware Config

Targets

    • Target

      file.exe

    • Size

      7MB

    • MD5

      ff788972ab8effb3188f96fb156c0845

    • SHA1

      8d2e4abaa7b4b642e9b2de82c793009e40201709

    • SHA256

      a62731d4252f3bc01be75a4da0820cab235996110a66752102e5971929dfe814

    • SHA512

      753e7f7bce6eb06193b43b781c6ca9764b096a3bfaf750bd981a40b9c67452f58f7d274bea432350156b8988fb65f2a1366110e2d6cda9364d2f11799971aa81

    • SSDEEP

      196608:91OvTaIfLM6pcEUYYoqsA7oLNPsUs1diN91uDys4Qq:3OrUiVVqsIIagZuDU

    • 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