General

  • Target

    tmp

  • Size

    264KB

  • Sample

    230419-tfrw3ade6t

  • MD5

    f45c92927e94a2d19a1096122bcaf1fd

  • SHA1

    9887b3edbfaa5737911ae3883517087b34c8b11c

  • SHA256

    e7f86bbfa56f8c4c2751260d5084b6896c40dbd9976f292828912a700f1042da

  • SHA512

    0ea77012b26abd6927dca4afb0eae405906141efec2eb6e6b9773cb60fa3e36375345332e4bde699dba592f1c69b937ffbdab594d5efa67ec563d9a4c69c4d8e

  • SSDEEP

    6144:/Ya68OD5y2TAsWI4JTPGX152WGZi4fLPikivmWEaAjkhVt1:/Y6u5y2U849eF5zv4jPpcm0AMVf

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

      tmp

    • Size

      264KB

    • MD5

      f45c92927e94a2d19a1096122bcaf1fd

    • SHA1

      9887b3edbfaa5737911ae3883517087b34c8b11c

    • SHA256

      e7f86bbfa56f8c4c2751260d5084b6896c40dbd9976f292828912a700f1042da

    • SHA512

      0ea77012b26abd6927dca4afb0eae405906141efec2eb6e6b9773cb60fa3e36375345332e4bde699dba592f1c69b937ffbdab594d5efa67ec563d9a4c69c4d8e

    • SSDEEP

      6144:/Ya68OD5y2TAsWI4JTPGX152WGZi4fLPikivmWEaAjkhVt1:/Y6u5y2U849eF5zv4jPpcm0AMVf

    • Formbook

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

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • Xloader payload

    • Adds policy Run key to start application

    • 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

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks