Overview

overview

10

Static

static

10

krambus.exe

windows7-x64

7

krambus.exe

windows10-2004-x64

8

z��Py5A.pyc

windows7-x64

z��Py5A.pyc

windows10-2004-x64

Resubmissions

16-10-2024 07:59

241016-jvdymszgqc 10

16-10-2024 07:57

241016-jtrhcazgnc 10

Sharing

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General

  • Target

    krambus_injector.rar

  • Size

    6.8MB

  • Sample

    241016-jvdymszgqc

  • MD5

    f649d3caf11e83d419be388d5a2699ff

  • SHA1

    bdcade6d3730907200cc6a10128414aa4bfd7563

  • SHA256

    49df7d02c1181f22d4141dc27cb02e13ef427c1bbc4b6b1d5df061ab704e40c9

  • SHA512

    a2203acfd00118b22a8926094052a85ffa7ed42713bec4aa3717e46efd69f60c64a40a7153e3a67cc4bdc80e61cef53388cbf17be6df905f81bfd059c0e9a31c

  • SSDEEP

    196608:vBP5699TGuvbB6iLbrnXkHzKmT0aVDB/gfLtIr:ZP563Z/UHJT0a3gfLtk

Score
10/10
blankgrabberdiscoveryexecutionupx

Malware Config

Targets

    • Target

      krambus.exe

    • Size

      6.9MB

    • MD5

      50afda704ab69b60ea2d25c84f779c3f

    • SHA1

      c77c325c2cbf4053633ccfcd06a9d3dd2cbb1c38

    • SHA256

      fc913469c47ff2fa16df4814d9bd7e9bda7fcd2fd9fe1cc130738681df381f3a

    • SHA512

      27c75d06c7c2d1673b0faf85deb21c0bcd6d1ec3331d3ff558f4c1ac49d9714b9363cb5220ccdd065972db239dfa4d34c7ff5be0c6fa2bf39a7689db61f52495

    • SSDEEP

      98304:agDjWM8JEE1rgBamaHl3Ne4i3Tf2PkOpfW9hZMMoVmkzhxIdfXeR8YKJJcGhEIFd:ag0/eNTfm/pf+xk4dWR8trbWOjgs+6

    Score
    8/10
    upxdiscoveryexecution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Loads dropped DLL

    • Looks up external IP address via web service

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

    • Enumerates processes with tasklist

      discovery

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

    • Target

      z��Py5A.pyc

    • Size

      1KB

    • MD5

      152196a496740d497515b1955aa6d075

    • SHA1

      ec8e1c8d34e67316b3548e81e9e8ca1483259208

    • SHA256

      5085ff7f5c1a07bee242538353a9bca469d7f30b2d6ba7665f86e20b60d6df23

    • SHA512

      26dc96b66bdf3a7b3573a1b7418a3e50c28c59228556c9dc29eb7ea892fa2208ba1e1c71ca01d78597744287a5d4a55d1ea39dcc66d3436509d89385a6cfd7cb

    Score
    1/10
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks