General

  • Target

    c6628f8a246ea6922019236758da7c4429462dabf3b54d3d5b5ee5df6639ae58

  • Size

    909KB

  • Sample

    250209-b4z88s1ldt

  • MD5

    e4867f55b3f1aefa733a5a0857d17123

  • SHA1

    40221d838aeeeb9c20ae756f0ad5a98bd69fc0c0

  • SHA256

    c6628f8a246ea6922019236758da7c4429462dabf3b54d3d5b5ee5df6639ae58

  • SHA512

    6abdf3d769ac2818217e901e94db06c930056d2cda652324cd6e5fbcb84a77f04d83f644af46d6acd8030a8dca2e0351647532c9fa7f88eb984cf06d2390d948

  • SSDEEP

    12288:0C3R4yaY+g0D9D+fw8ZAd+ZjxGLWhWuDb5B9304KuI4biDBfR5j5TzIBCZYu+fQj:00fwyQ+ZJBH3Ih4biDLTmAYu+oA0Ar25

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    inhanoi.net.vn
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ^TSt3!FK$UBA

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://inhanoi.net.vn
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ^TSt3!FK$UBA

Targets

    • Target

      c6628f8a246ea6922019236758da7c4429462dabf3b54d3d5b5ee5df6639ae58

    • Size

      909KB

    • MD5

      e4867f55b3f1aefa733a5a0857d17123

    • SHA1

      40221d838aeeeb9c20ae756f0ad5a98bd69fc0c0

    • SHA256

      c6628f8a246ea6922019236758da7c4429462dabf3b54d3d5b5ee5df6639ae58

    • SHA512

      6abdf3d769ac2818217e901e94db06c930056d2cda652324cd6e5fbcb84a77f04d83f644af46d6acd8030a8dca2e0351647532c9fa7f88eb984cf06d2390d948

    • SSDEEP

      12288:0C3R4yaY+g0D9D+fw8ZAd+ZjxGLWhWuDb5B9304KuI4biDBfR5j5TzIBCZYu+fQj:00fwyQ+ZJBH3Ih4biDLTmAYu+oA0Ar25

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      960a5c48e25cf2bca332e74e11d825c9

    • SHA1

      da35c6816ace5daf4c6c1d57b93b09a82ecdc876

    • SHA256

      484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2

    • SHA512

      cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da

    • SSDEEP

      192:jVL7iZJX76BiqsO7+UZEw+RlthVEoC0O3XB:g7ssOpZs/hS3X

    Score
    8/10
    • Downloads MZ/PE file

MITRE ATT&CK Enterprise v15

Tasks