General

  • Target

    LoaderFixer.exe

  • Size

    17.7MB

  • Sample

    230205-f667sagd39

  • MD5

    a518234ee9320307559770be505c5da3

  • SHA1

    c58f1d5c9718bc340fb3f2a270a9200db29ac339

  • SHA256

    d68af7d58d8514cebc01250af1c0fcdeb6142df3320ff34e48280d56d6af37f8

  • SHA512

    c89dc340920688af1eb2227bec7a0d7b6d935536b1276cbfb615bcdff1cef5f0089261c9d73b33108494f65cf351ac8e82439466db94a311f8247dde2f4f2659

  • SSDEEP

    393216:Lu7L/dWBb+4hQenSyY+k4tOJCEDd/m3pCZkVRiEFT7bfIGy:LCL0N+4XY4tuCEDdKCZkVRiS7kT

Malware Config

Targets

    • Target

      LoaderFixer.exe

    • Size

      17.7MB

    • MD5

      a518234ee9320307559770be505c5da3

    • SHA1

      c58f1d5c9718bc340fb3f2a270a9200db29ac339

    • SHA256

      d68af7d58d8514cebc01250af1c0fcdeb6142df3320ff34e48280d56d6af37f8

    • SHA512

      c89dc340920688af1eb2227bec7a0d7b6d935536b1276cbfb615bcdff1cef5f0089261c9d73b33108494f65cf351ac8e82439466db94a311f8247dde2f4f2659

    • SSDEEP

      393216:Lu7L/dWBb+4hQenSyY+k4tOJCEDd/m3pCZkVRiEFT7bfIGy:LCL0N+4XY4tuCEDdKCZkVRiS7kT

    • Drops file in Drivers directory

    • Sets service image path in registry

    • 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.

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Detected potential entity reuse from brand microsoft.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

5
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks