General

  • Target

    cfa7ad839196aa642475e972db8d360cf7b219e10b304ecd8cf9c7a0787a2ad7

  • Size

    1.7MB

  • Sample

    220521-bnqpvscbf7

  • MD5

    698fcca9631f313cd1a4e6da6269760d

  • SHA1

    2fca50778534cdc8c379988f0a6fc3cea5f6f756

  • SHA256

    cfa7ad839196aa642475e972db8d360cf7b219e10b304ecd8cf9c7a0787a2ad7

  • SHA512

    6a363ce67f2e2649798d26a80def67f3c657328525cbc7d6cc5b989ca4f06e0a1f62473ac33f61b714ef9e96b02c264120b4fd4b112d463c462a580f3d5f0de1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gcco.dz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    CKnt@CtGcc0

Targets

    • Target

      CDO1029-022019 PURCHASE ORDER_PDF.exe

    • Size

      1.8MB

    • MD5

      51a186f64b59903d7217774720d0c34d

    • SHA1

      f8454553259eb85213545c5fa3a7c558b6424642

    • SHA256

      812efd5114e9e1d9ae0898435aa593322a4ef9a39ddd1befe6fc9382ed1cfc0f

    • SHA512

      17503c88251411ce7fa6188d9eecfb8e0037d0858dac2820a33b0214d6f23b8306b65a96b559eea386971cd76edd7b3f01c4a6be236acd07cd893ce379870145

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
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