General

  • Target

    jjjjj (1).exe

  • Size

    968KB

  • Sample

    200713-chrsm2d6qj

  • MD5

    efdf01a595bbafea32253735e784b81b

  • SHA1

    12fd4de1cc82fb27a864c7aaa6fe73c1851a1926

  • SHA256

    a81b0fa11e6bc26ac9811b8c3bb924d629c1395f8e6421e27acf9e76e71ef753

  • SHA512

    5bf187c6672af1ba27d90fe884504f24b272681931421a6d643b0b7abd5c1ce76850690a67e3456e672edd51d9b428ee09aa79f0d0709709661c017cc2ef4b92

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.bnb-spa.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tPo!47:glt$E

Targets

    • Target

      jjjjj (1).exe

    • Size

      968KB

    • MD5

      efdf01a595bbafea32253735e784b81b

    • SHA1

      12fd4de1cc82fb27a864c7aaa6fe73c1851a1926

    • SHA256

      a81b0fa11e6bc26ac9811b8c3bb924d629c1395f8e6421e27acf9e76e71ef753

    • SHA512

      5bf187c6672af1ba27d90fe884504f24b272681931421a6d643b0b7abd5c1ce76850690a67e3456e672edd51d9b428ee09aa79f0d0709709661c017cc2ef4b92

    • AgentTesla

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Drops startup file

    • 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.

    • Adds Run entry 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

3
T1081

Collection

Data from Local System

3
T1005

Tasks