General

  • Target

    RFQ-07072022.exe

  • Size

    774KB

  • Sample

    220706-pt27qsegd4

  • MD5

    e2097690a366910f7feb9145a0565784

  • SHA1

    592786f2d6c84a2a38882f43a3ac2eac9414774a

  • SHA256

    9a39f92f22837a2d1eabdc7b7f0eeff451de21fdf80261739301602ea3d9cdeb

  • SHA512

    b56e3bf6d1f42c2ab068fc5e16034fc273d97dac557ac222e46d5640947dbfa71b556d64ffd7b6c25f352c5dd98d300bbad725cc4428741de2ecf1e8fd421f17

Malware Config

Targets

    • Target

      RFQ-07072022.exe

    • Size

      774KB

    • MD5

      e2097690a366910f7feb9145a0565784

    • SHA1

      592786f2d6c84a2a38882f43a3ac2eac9414774a

    • SHA256

      9a39f92f22837a2d1eabdc7b7f0eeff451de21fdf80261739301602ea3d9cdeb

    • SHA512

      b56e3bf6d1f42c2ab068fc5e16034fc273d97dac557ac222e46d5640947dbfa71b556d64ffd7b6c25f352c5dd98d300bbad725cc4428741de2ecf1e8fd421f17

    • Formbook

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

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

    • suricata: ET MALWARE FormBook CnC Checkin (POST) M2

      suricata: ET MALWARE FormBook CnC Checkin (POST) M2

    • Xloader Payload

    • Adds policy Run key to start application

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
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

Email Collection

1
T1114

Tasks