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Overview

overview

10

Static

static

9761bdcf74...18.exe

windows7-x64

10

9761bdcf74...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9761bdcf74e704ce41edbc8aca50f1cd9ca7173ac701732ab2a6ce502a4c7f18

  • Size

    401KB

  • Sample

    221205-nywebafg53

  • MD5

    e3ae1c8453baf65007b473efb93371a9

  • SHA1

    3706c2e85ab4530c5a6053e404dfd79d2b73cf9a

  • SHA256

    9761bdcf74e704ce41edbc8aca50f1cd9ca7173ac701732ab2a6ce502a4c7f18

  • SHA512

    ad6d5a6569142c37827fcbe57c3798f8bed437c7db688d1488c0a5d3d162fb2eb65d21c2d26265b81e84b695a8ecad03e2a75226e2f2779d3aafe7214f234427

  • SSDEEP

    6144:GFC3m6jvWuAFvJeSUih1xW6PbYOary8fnVW5GJZ2tNYLj8MfsfH6x:GFGWBviU1x43ryuVzYKj86sfHU

Score
10/10
xtremeratbootkitpersistenceratspyware

Malware Config

Targets

    • Target

      9761bdcf74e704ce41edbc8aca50f1cd9ca7173ac701732ab2a6ce502a4c7f18

    • Size

      401KB

    • MD5

      e3ae1c8453baf65007b473efb93371a9

    • SHA1

      3706c2e85ab4530c5a6053e404dfd79d2b73cf9a

    • SHA256

      9761bdcf74e704ce41edbc8aca50f1cd9ca7173ac701732ab2a6ce502a4c7f18

    • SHA512

      ad6d5a6569142c37827fcbe57c3798f8bed437c7db688d1488c0a5d3d162fb2eb65d21c2d26265b81e84b695a8ecad03e2a75226e2f2779d3aafe7214f234427

    • SSDEEP

      6144:GFC3m6jvWuAFvJeSUih1xW6PbYOary8fnVW5GJZ2tNYLj8MfsfH6x:GFGWBviU1x43ryuVzYKj86sfHU

    Score
    10/10
    xtremeratbootkitpersistenceratspyware

    • Detect XtremeRAT payload

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

      persistencespywareratxtremerat

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks