General

  • Target

    1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118

  • Size

    723KB

  • Sample

    240329-jkhh3sce9w

  • MD5

    1c83d78c1969a7ebc3deaa1990c9dc9e

  • SHA1

    2918dc3b764c8c60d0fb64f8bc54bf4f92ba1f0f

  • SHA256

    c39785b91858501d961c57f85b4c28fc6e674fc68f40244ecbc649870fa749ad

  • SHA512

    9250a4adf4f43ba422988acbf8447133890b0cbfb650e2ac3e9d7a4a5892c0c2bb61801a156450440c20f1017b68d7a2aca907e15372fc631d983eb59d7d4b4b

  • SSDEEP

    12288:QoQEWqEtJPwMSrmNeJgfV3jPzt9eZaxFrPUuN+JQVU:FhEtJPFSr32fV3dAcx1PUuNfU

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    K@maR1-2019Hotelss

Targets

    • Target

      1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118

    • Size

      723KB

    • MD5

      1c83d78c1969a7ebc3deaa1990c9dc9e

    • SHA1

      2918dc3b764c8c60d0fb64f8bc54bf4f92ba1f0f

    • SHA256

      c39785b91858501d961c57f85b4c28fc6e674fc68f40244ecbc649870fa749ad

    • SHA512

      9250a4adf4f43ba422988acbf8447133890b0cbfb650e2ac3e9d7a4a5892c0c2bb61801a156450440c20f1017b68d7a2aca907e15372fc631d983eb59d7d4b4b

    • SSDEEP

      12288:QoQEWqEtJPwMSrmNeJgfV3jPzt9eZaxFrPUuN+JQVU:FhEtJPFSr32fV3dAcx1PUuNfU

    • AgentTesla

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

    • AgentTesla payload

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks