General

  • Target

    83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d

  • Size

    966KB

  • Sample

    221123-q4qr5aaf6s

  • MD5

    f894cd4217838c01eb188e0e6c02a162

  • SHA1

    05ff59b6ff17fdd1d8ce9c1e14346dc93a382ee1

  • SHA256

    83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d

  • SHA512

    da93bed4ab8cc145e4c60c69b2fc148b2dde9a221791874ff0afbcd7518cbabca90f6f0fc0df134e52f395ca3f9d12e5348f51c6f259db6ce6a1150eed48bba9

  • SSDEEP

    24576:j7CIrr0eIp7RYDT18UJaerBvhcPILrrq2tkyzMhGGk:3CWIp7RYCxe1vKPg5kycv

Malware Config

Targets

    • Target

      83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d

    • Size

      966KB

    • MD5

      f894cd4217838c01eb188e0e6c02a162

    • SHA1

      05ff59b6ff17fdd1d8ce9c1e14346dc93a382ee1

    • SHA256

      83b2ee96940a6d6fc8f1ee0064cafd17abb9db05e89e1cdb4e207ca2987c2f1d

    • SHA512

      da93bed4ab8cc145e4c60c69b2fc148b2dde9a221791874ff0afbcd7518cbabca90f6f0fc0df134e52f395ca3f9d12e5348f51c6f259db6ce6a1150eed48bba9

    • SSDEEP

      24576:j7CIrr0eIp7RYDT18UJaerBvhcPILrrq2tkyzMhGGk:3CWIp7RYCxe1vKPg5kycv

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • 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

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks