General

  • Target

    4d55b3ebd49ff9de33e419e082015c8604dbbad0ab9739c006967c7173dd7d6d

  • Size

    622KB

  • Sample

    221128-mbwacsbd3t

  • MD5

    1dd6d5b53493d7390aef565ccad37f12

  • SHA1

    1f56cf1b1bbc9f97a77b850c6775e67b0e0b50c6

  • SHA256

    4d55b3ebd49ff9de33e419e082015c8604dbbad0ab9739c006967c7173dd7d6d

  • SHA512

    53b6e02d1d0f8cb7c8ecdcfa22c2fbb4b08f0bcdad6c7066ddbec43d3ca9ebbbd597895ba6cb856f254f80562721c83ffbc17ba7aba7f16de2aea14358a3c3b5

  • SSDEEP

    12288:BgOY1Lt+oADkHuMCmXrc8/6H0csqrKLfrjaEVwiJ1reU:L6o/D4ufEMl/r0mEXe

Malware Config

Targets

    • Target

      4d55b3ebd49ff9de33e419e082015c8604dbbad0ab9739c006967c7173dd7d6d

    • Size

      622KB

    • MD5

      1dd6d5b53493d7390aef565ccad37f12

    • SHA1

      1f56cf1b1bbc9f97a77b850c6775e67b0e0b50c6

    • SHA256

      4d55b3ebd49ff9de33e419e082015c8604dbbad0ab9739c006967c7173dd7d6d

    • SHA512

      53b6e02d1d0f8cb7c8ecdcfa22c2fbb4b08f0bcdad6c7066ddbec43d3ca9ebbbd597895ba6cb856f254f80562721c83ffbc17ba7aba7f16de2aea14358a3c3b5

    • SSDEEP

      12288:BgOY1Lt+oADkHuMCmXrc8/6H0csqrKLfrjaEVwiJ1reU:L6o/D4ufEMl/r0mEXe

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • 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

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks