General

  • Target

    file.exe

  • Size

    286KB

  • Sample

    230228-1zgzjach9t

  • MD5

    5d7af334812811e24e911aa5e7468184

  • SHA1

    e0b1d2b8236917892e9bfa5b5262d118a08dd5ab

  • SHA256

    ffb63b1c0f03e57910b1f9b67f89bfe69768e5121ed5a0ecfc3af93dd6bc4c1f

  • SHA512

    71e5d63eb4ef2929112d472113822b91b0a115b44ea08f5fa39f95246c83088a2062c8217cd8b158c7595b4e6ddb38337c580c1c8fb6a9df9193e2794223a148

  • SSDEEP

    6144:PYa6fzrO3bOJZB/sEAMgNpD5Z3dyFY7MHMxuh3AWdKifUT2iKv7A:PYVHDJZB//AMgr3dymYsxU3AWdfUTfcU

Malware Config

Extracted

Family

formbook

Campaign

poub

Decoy

WY0eksfISzRg4O6c+opnGL6gaw==

moRjn9ExtYi8UmUo+Tya

2vME+GedoxzFnuLXesUoVj4=

EvW4JWJ1NQ8nN3tA3SM=

2mK9efMZMgN1VOs=

8d0jua5b0J6AQEW7

/2cyThOd37DSTYMASDye4Q0t/Vs=

ral+tbIh2KKAQEW7

YLY9jsPtYB/FRmMo+Tya

R1WcElWAMtFxFrVqtZT2ZpIS9xRZNho=

KFXGg/T1pCC9GjrxUPTcjw==

8mMlK5nDwjjPFTP5jMtAtQ0t/Vs=

c7am8nhhlCo=

UW91trZj6dENxuRdpxOvW1Cf

sjOMUcvq6lYJCZEfV4euFzY=

62nBgPjdmWQkmWElww==

64E8JqA1aruSUvw=

NqI1reXpcR+REye0

8+y1oOsbjgSyEhjXUPTcjw==

Rx9by8gNBwN1VOs=

Targets

    • Target

      file.exe

    • Size

      286KB

    • MD5

      5d7af334812811e24e911aa5e7468184

    • SHA1

      e0b1d2b8236917892e9bfa5b5262d118a08dd5ab

    • SHA256

      ffb63b1c0f03e57910b1f9b67f89bfe69768e5121ed5a0ecfc3af93dd6bc4c1f

    • SHA512

      71e5d63eb4ef2929112d472113822b91b0a115b44ea08f5fa39f95246c83088a2062c8217cd8b158c7595b4e6ddb38337c580c1c8fb6a9df9193e2794223a148

    • SSDEEP

      6144:PYa6fzrO3bOJZB/sEAMgNpD5Z3dyFY7MHMxuh3AWdKifUT2iKv7A:PYVHDJZB//AMgr3dymYsxU3AWdfUTfcU

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • Xloader payload

    • Blocklisted process makes network request

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks