General

  • Target

    6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118

  • Size

    554KB

  • Sample

    240524-vc7c1sce3s

  • MD5

    6f2f5086cf3684fd4058c8346b9bc014

  • SHA1

    55bb5f38ad70f305524fbcb02db196b810f905e8

  • SHA256

    4e7718c246accd9b6ef74fc052a59a429db00761f87d1d62d6fe422643b48023

  • SHA512

    8c89acbaa4debbcf8dd95effea7be38934f0c561261306b6942a2f42cc5e10d8fe19b3df740d6915f74b641ed386e7a41d26fda2cbcbe1ae36bcf42c15224fd5

  • SSDEEP

    12288:AW66kqD2wGOWbDud8t9hmKi1dTTgIMUE:AW62D2w1Wv409hmv1dTThMUE

Malware Config

Targets

    • Target

      6f2f5086cf3684fd4058c8346b9bc014_JaffaCakes118

    • Size

      554KB

    • MD5

      6f2f5086cf3684fd4058c8346b9bc014

    • SHA1

      55bb5f38ad70f305524fbcb02db196b810f905e8

    • SHA256

      4e7718c246accd9b6ef74fc052a59a429db00761f87d1d62d6fe422643b48023

    • SHA512

      8c89acbaa4debbcf8dd95effea7be38934f0c561261306b6942a2f42cc5e10d8fe19b3df740d6915f74b641ed386e7a41d26fda2cbcbe1ae36bcf42c15224fd5

    • SSDEEP

      12288:AW66kqD2wGOWbDud8t9hmKi1dTTgIMUE:AW62D2w1Wv409hmv1dTThMUE

    • AgentTesla

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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

    • 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 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