General

  • Target

    PO.bat.exe

  • Size

    760KB

  • Sample

    241216-prrcfs1pan

  • MD5

    e66902c532dd0fd4f019200e4599f17c

  • SHA1

    6306e266e3d9dcd3671aa81f77bb7502e3ae76ff

  • SHA256

    81c7f5b291b1fcd6d64f7f12208b0134a8462f156dbda97188ec0ba5ff869478

  • SHA512

    bfc0fb98f0921f370e55fc8d9ad8cd79c0280e0de9e6a49fb28cac5eebdf28e6bf14c5f1b94c23405dd387e5495c5f754568b20600ee7fd449a123a14a3b756d

  • SSDEEP

    12288:9s6eULcXcekO8cHzf2l4t5musvXsD6En3kV117Dd:MMetHzf2l4KvXgn3kJ7Dd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Targets

    • Target

      PO.bat.exe

    • Size

      760KB

    • MD5

      e66902c532dd0fd4f019200e4599f17c

    • SHA1

      6306e266e3d9dcd3671aa81f77bb7502e3ae76ff

    • SHA256

      81c7f5b291b1fcd6d64f7f12208b0134a8462f156dbda97188ec0ba5ff869478

    • SHA512

      bfc0fb98f0921f370e55fc8d9ad8cd79c0280e0de9e6a49fb28cac5eebdf28e6bf14c5f1b94c23405dd387e5495c5f754568b20600ee7fd449a123a14a3b756d

    • SSDEEP

      12288:9s6eULcXcekO8cHzf2l4t5musvXsD6En3kV117Dd:MMetHzf2l4KvXgn3kJ7Dd

    • AgentTesla

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

    • Agenttesla family

    • Guloader family

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Loads dropped DLL

    • 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.

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/LangDLL.dll

    • Size

      5KB

    • MD5

      174708997758321cf926b69318c6c3f5

    • SHA1

      645488089bf320f6864e0d0bc284c85216e56fbd

    • SHA256

      f577b66492e97c7b8bf515398d8deb745abafd74f56fc03e67fce248ebbeb873

    • SHA512

      214433597e04ca1ff9b4fe092d5d2997707a7c56f0f82c85d586088a200e4455028f3b9427d87b4f06f9252557d5be4b7a9138ea6a8d045df6209421fd8ca054

    • SSDEEP

      48:S46+/ZTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mCofjLl:zDuPbOBtWZBV8jAWiAJCdv2CmpL

    Score
    3/10
    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      0ff2d70cfdc8095ea99ca2dabbec3cd7

    • SHA1

      10c51496d37cecd0e8a503a5a9bb2329d9b38116

    • SHA256

      982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b

    • SHA512

      cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e

    • SSDEEP

      192:eK24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlASl:u8QIl975eXqlWBrz7YLOlA

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks