General

  • Target

    ÖnderGrup-2023,jpg.exe

  • Size

    647KB

  • Sample

    230401-l5mpmsag2x

  • MD5

    b042d473798b5f1075e53e178ad7e0da

  • SHA1

    422377a595c6559d0e0878bc0edc04c0d19a87e7

  • SHA256

    706dcbef87d17593d63504485cca84f2ba9ceea75873d08eea041c7b5c1291ae

  • SHA512

    fc1914704bd0748f1ec306b54e5e837afadc7b415ce2038191f34c452ea29ac2bbc5acbe5fa5f47117d59385f6ca9ee76a1c9ab054fca7b867e6aa6a67a2851e

  • SSDEEP

    12288:3Yx/BJIdm3xOZHUrb4j9uTEAmHedQUrAto1:3Yx8d7erJuedsto1

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.greenvalleycharity.org
  • Port:
    21
  • Username:
    master@greenvalleycharity.org
  • Password:
    mike63976460

Targets

    • Target

      ÖnderGrup-2023,jpg.exe

    • Size

      647KB

    • MD5

      b042d473798b5f1075e53e178ad7e0da

    • SHA1

      422377a595c6559d0e0878bc0edc04c0d19a87e7

    • SHA256

      706dcbef87d17593d63504485cca84f2ba9ceea75873d08eea041c7b5c1291ae

    • SHA512

      fc1914704bd0748f1ec306b54e5e837afadc7b415ce2038191f34c452ea29ac2bbc5acbe5fa5f47117d59385f6ca9ee76a1c9ab054fca7b867e6aa6a67a2851e

    • SSDEEP

      12288:3Yx/BJIdm3xOZHUrb4j9uTEAmHedQUrAto1:3Yx8d7erJuedsto1

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Executes dropped EXE

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks