General

  • Target

    cd2fd1b962d078ac6e048c56ecafc6ee91692d0614f152ab2c55c493a2abd6f1

  • Size

    1.4MB

  • Sample

    250122-mrjlhasrgn

  • MD5

    502bd4f4e67c0507d03fbd653bb3e7e0

  • SHA1

    a0a433ebc0985593531189ec4519587e0ff3c814

  • SHA256

    cd2fd1b962d078ac6e048c56ecafc6ee91692d0614f152ab2c55c493a2abd6f1

  • SHA512

    cf0598e9bbbed8f4977526e377eec0f7655063c03b3418178d68b01c4eb2fc040a61b6e6fea71a6ef7c1e1c8dead111d6ed61798c0fba2a4b55e7f2cc6bcbd26

  • SSDEEP

    24576:o9a0Xv61QAhCPzMZ4S7QwALAcx2xHprPNNytW7fbhIuFxWFq8NNXwjgs8JFOYqbi:o9a0XvA/YPsQu8aHNPNNqulZFONNAjgt

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dod
  • Password:
    Doll900@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dod
  • Password:
    Doll900@@

Targets

    • Target

      OOLU91280836381628633/OOLU91280836381628633.scr

    • Size

      2.3MB

    • MD5

      b94534f81c1b83bd11098615f4ee8e64

    • SHA1

      c468a3faad45b59907847d2ab3b4edb0816b0146

    • SHA256

      0fe6a5e925e8ecb2790f1ae23d72e05d9fe576595fe4ac7ec8169b01adba8b79

    • SHA512

      9b52b4562742bc586d4eb3ba829f8bb59901158c01ea142f801d4c0c22bf5e51c542ea193b8e0890426b8c5ec18aaebaaae7a0cd690b14ca895a748cff86dcc7

    • SSDEEP

      49152:qC/DQz7mYxlW4y2aH9XNNkafLFaNNKjEsGtODG:qCuxlg3Ndfc7aE8

    • AgentTesla

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

    • Agenttesla family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • 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 Enterprise v15

Tasks