General

  • Target

    Purchase Order_1.gz

  • Size

    804KB

  • Sample

    241021-lfw7saybra

  • MD5

    39c0deb7a8fc01d3b45e524beb2d18a9

  • SHA1

    1e88ec0b107b48589d9fe5974f393679c4a8dccf

  • SHA256

    20da25bca1f4271a35afbe1ec76ef9eb54381439bef84fac8e951cf0ed7d9eb1

  • SHA512

    fbc2f105523c982b7e03cbb144f003183a8ebf588bd13af4cc9e8e13974aaed1d08449682f838560ad21e85a01b3c312362774e7544df4a8f9f3ba3a17be5e00

  • SSDEEP

    24576:aXKLIcFtiEcIE2sr3z/jE6H5M8ozpCpntmWQUM2:a6L/tAxbEMozAnjn

Malware Config

Extracted

Family

vipkeylogger

Credentials

Targets

    • Target

      Purchase Order.exe

    • Size

      1.0MB

    • MD5

      46ae79c53627f188d4c316adb7635524

    • SHA1

      653fc3ca8b9e79295a59428fe0842ec79060fb75

    • SHA256

      05ca345e803d5783617f8b14194428eb79aa486e0b239ae5656847363729a703

    • SHA512

      f028f09d39606821bec5b6f3a12882f3738a86094b435f7f4d3b1e4415ad5bfefbfa456b9a3bb6b976b7bee26c6363281b2cb7755943d0239ca77f8354f363fb

    • SSDEEP

      24576:/o8RUr/5+1TtuEoIEMMZ3l/j8Sb9uASz343NHmI8QIoG:/h+/0ltw5b84SzgNLM

    • VIPKeylogger

      VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

    • Loads dropped DLL

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      3f176d1ee13b0d7d6bd92e1c7a0b9bae

    • SHA1

      fe582246792774c2c9dd15639ffa0aca90d6fd0b

    • SHA256

      fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

    • SHA512

      0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

    • SSDEEP

      192:OPtkumJX7zB22kGwfy0mtVgkCPOsX1un:/702k5qpdsXQn

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks