General

  • Target

    1bb23fb612b0e226c7c5ef11bba8967cf997fd11d33cffcd68ffdba2733efa0f

  • Size

    622KB

  • Sample

    221123-r8d5kadf4z

  • MD5

    49bf94707e8c8f9bd40e617165be5b52

  • SHA1

    f4f5b6cd9c87acd6619ee76e4c0ac388583ff7c5

  • SHA256

    1bb23fb612b0e226c7c5ef11bba8967cf997fd11d33cffcd68ffdba2733efa0f

  • SHA512

    a0090c396c230f7c51b53e4b947556f26e887e1ea186e0c076ab840fc633db4697c947d8950a2aa3ec54717b88b12ade4f43538cd2fed9144d431c7e65a2221b

  • SSDEEP

    12288:A8w7gYZ4+Rutkdy2oqvdT406LGrkGE4Qiujc+zNNZcy:tw7pXktkHT40BFE77FzKy

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    glfjdvzcsbfwvmtr

Targets

    • Target

      1bb23fb612b0e226c7c5ef11bba8967cf997fd11d33cffcd68ffdba2733efa0f

    • Size

      622KB

    • MD5

      49bf94707e8c8f9bd40e617165be5b52

    • SHA1

      f4f5b6cd9c87acd6619ee76e4c0ac388583ff7c5

    • SHA256

      1bb23fb612b0e226c7c5ef11bba8967cf997fd11d33cffcd68ffdba2733efa0f

    • SHA512

      a0090c396c230f7c51b53e4b947556f26e887e1ea186e0c076ab840fc633db4697c947d8950a2aa3ec54717b88b12ade4f43538cd2fed9144d431c7e65a2221b

    • SSDEEP

      12288:A8w7gYZ4+Rutkdy2oqvdT406LGrkGE4Qiujc+zNNZcy:tw7pXktkHT40BFE77FzKy

    • 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.

    • Loads dropped DLL

    • 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

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks