General

  • Target

    SecuriteInfo.com.Trojan.Siggen11.58832.24978.21590

  • Size

    651KB

  • Sample

    210118-esz6sd76me

  • MD5

    d0b73f883fdd6cc9097028375fdc6231

  • SHA1

    786826282e4f20076f50b7648e45ca1df856dd12

  • SHA256

    97c1693cc21829a1b2139d13bc9b21a47555b18d6dc8943c4804890f1ab3b25c

  • SHA512

    6c76cacd033b503d54d260f69ba370117f46c0b2fd72f6e9851e73d17d6966ffd1bceb655b3df029a5661275a14702c0b1d6094aac12480291199f963235c91c

Malware Config

Extracted

Family

remcos

C2

push4me.freeddns.org:1814

Targets

    • Target

      SecuriteInfo.com.Trojan.Siggen11.58832.24978.21590

    • Size

      651KB

    • MD5

      d0b73f883fdd6cc9097028375fdc6231

    • SHA1

      786826282e4f20076f50b7648e45ca1df856dd12

    • SHA256

      97c1693cc21829a1b2139d13bc9b21a47555b18d6dc8943c4804890f1ab3b25c

    • SHA512

      6c76cacd033b503d54d260f69ba370117f46c0b2fd72f6e9851e73d17d6966ffd1bceb655b3df029a5661275a14702c0b1d6094aac12480291199f963235c91c

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Tasks