Overview

overview

10

Static

static

3

Cucurbit.exe

windows7-x64

10

Cucurbit.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Renselsesf...og.dll

windows7-x64

1

Renselsesf...og.dll

windows10-2004-x64

1

Savbladets...ds.vbs

windows7-x64

1

Savbladets...ds.vbs

windows10-2004-x64

1

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General

  • Target

    Cucurbit.exe

  • Size

    609KB

  • Sample

    240129-dh9lwsgdg7

  • MD5

    ad60738dd00b749952f748586c775f7d

  • SHA1

    cbcbf7233e4b8232351eec10770a4236c00a4077

  • SHA256

    514afae06d8b1b4fab775124e5ac53054353b7b7c6a2dbdc2909581cdc438828

  • SHA512

    4eb950122b84f4ca2dc2b0d86dfd78e8cd8be8503958a6ef814316fa848b792e6e612718e4ba896ddf9bd41354958c262fe91393dd3e46725a373750a28dea26

  • SSDEEP

    12288:MkKnLVq69Hrc82yTPZodHtRWztKK7RG1Jz8Ap2x9c8Q04fz/sGoisDsCVVLUUvNR:AQy6ONsqLUCqCpP7TrJ

Score
10/10
azorultguloadercollectiondiscoverydownloaderinfostealerspywarestealertrojan

Malware Config

Targets

    • Target

      Cucurbit.exe

    • Size

      609KB

    • MD5

      ad60738dd00b749952f748586c775f7d

    • SHA1

      cbcbf7233e4b8232351eec10770a4236c00a4077

    • SHA256

      514afae06d8b1b4fab775124e5ac53054353b7b7c6a2dbdc2909581cdc438828

    • SHA512

      4eb950122b84f4ca2dc2b0d86dfd78e8cd8be8503958a6ef814316fa848b792e6e612718e4ba896ddf9bd41354958c262fe91393dd3e46725a373750a28dea26

    • SSDEEP

      12288:MkKnLVq69Hrc82yTPZodHtRWztKK7RG1Jz8Ap2x9c8Q04fz/sGoisDsCVVLUUvNR:AQy6ONsqLUCqCpP7TrJ

    Score
    10/10
    azorultguloadercollectiondiscoverydownloaderinfostealerspywarestealertrojan

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

      trojaninfostealerazorult

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

      spywarestealer

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      17ed1c86bd67e78ade4712be48a7d2bd

    • SHA1

      1cc9fe86d6d6030b4dae45ecddce5907991c01a0

    • SHA256

      bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

    • SHA512

      0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

    • SSDEEP

      192:eY24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol+Sl:E8QIl975eXqlWBrz7YLOl+

    Score
    3/10
    behavioral3behavioral4

    • Target

      Renselsesfesters/Sekstantens/Perfectivising/Bilende/vtablog.dll

    • Size

      268KB

    • MD5

      35119e61479373ba5d7433f106556e79

    • SHA1

      096a7d227eb2514d76ec5d10bfd1cf165d4a9177

    • SHA256

      f21d9de02c67e51bb9f7163f676f2d4710b2befae04fd0751a63cf1278c48a3c

    • SHA512

      21318d0924393c8269419df5acc0c07ca2f754fd9d9ad80d393cf7ebec1b16986d123f2775ae210383b7faa106ed84e829c949004a123da844c07f2b46387453

    • SSDEEP

      3072:s1vaCg+eY9yp71driAAYBnk/+eeaQyJen3n83fucakiD88iryUBw:ovDgZYq/rzfNufuceD5UBw

    Score
    1/10
    behavioral5behavioral6

    • Target

      Savbladets/Bijouterivarernes/keywords.txt

    • Size

      1010B

    • MD5

      4d3c8d141484bbb0b8be03c13894ec9f

    • SHA1

      1fbb29a4d6a1f48745e6d67bfa110306bc54c6ba

    • SHA256

      c74e743057bfb38a767f3666df1d16587e2e529a070d1621be0e737366011471

    • SHA512

      e4b9dd5c3585c24301ac71d7849616d680b25d2b340192c31c3de38a9546564cb30aa1b08bdbcba9e3b87303cd5f3bdb93e37c399bc9d056a68b9bbc7a0a3329

    Score
    1/10
    behavioral7behavioral8

MITRE ATT&CK Enterprise v15

Tasks