General

  • Target

    2d252e4470b5382211fc077bdbd7d65d_JaffaCakes118

  • Size

    393KB

  • Sample

    240329-z69sfsag33

  • MD5

    2d252e4470b5382211fc077bdbd7d65d

  • SHA1

    f6d056555b0f2a9371025c17f915708622c8c5b4

  • SHA256

    5d87ea106420cfb56b84417162e938ce5ae85b937675d1b4fd8729044bedf43d

  • SHA512

    b860400fb3032d5478755a6d87a7c69f6024b69f9eb7c8ef76a7cae3a05a15503cf2f5f216e2ca3b66ac40e4b264304547995e7a7f078f32af4e1cab5b15861e

  • SSDEEP

    12288:Dl+nC8AYIWrsSIPsIxjELBLN6jahfoXH5ixG:M5AHUIPsM4ByahyH5ixG

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ekdantlab.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    muruga@123

Targets

    • Target

      Swift copy.exe

    • Size

      436KB

    • MD5

      27c466c70e60445b429623de8101a6d5

    • SHA1

      f1fd7e7fbdcfd7deddd7426cf56dfe2218c793b2

    • SHA256

      a4481204cfad76211d499d418edb29b8d1fb33910b97de5dac0ead7258df4064

    • SHA512

      2496f0e97c67384670b2800ba5fd9f005921594aa9c55ccc9e266cfb9cb58874542f1b818e8e433e79c83c0c98ba44806e8abc231d2b9bce7efac34ea39afa77

    • SSDEEP

      12288:G6XJYAA8IWFsaoPIQxVGT5N6jU/HOXHO:G6ZYAAz0oPISGTIU/UHO

    • AgentTesla

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

    • AgentTesla payload

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks