Overview

overview

10

Static

static

bcfef281b0...10.exe

windows7-x64

10

bcfef281b0...10.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bcfef281b0772fea99d5ca9253d1dfb8c55cab952d6755f6c9bf5865715a6410

  • Size

    508KB

  • Sample

    221106-rd67vseef2

  • MD5

    0dcfaee9a57e6ad0296751f484b53475

  • SHA1

    202f8785038ed0b7ce4408423fb5377cce94dfa5

  • SHA256

    bcfef281b0772fea99d5ca9253d1dfb8c55cab952d6755f6c9bf5865715a6410

  • SHA512

    0cbfb6913c5381011b145e908f643a37abda653d1712591fb1e3292f527caa8ddc4f7e1b47e5b889e39b0825e36c6f5217635787290f8f3c8a9c012bb30021ab

  • SSDEEP

    6144:33xV7htOfFiktSdWyKYAWFCbW7LYxLk+4MGT+N50cIXv+1coDdkozx3pypmlNH9J:33xxPuFVtSdWJsuWXLGMvxsltRok/Gy

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      bcfef281b0772fea99d5ca9253d1dfb8c55cab952d6755f6c9bf5865715a6410

    • Size

      508KB

    • MD5

      0dcfaee9a57e6ad0296751f484b53475

    • SHA1

      202f8785038ed0b7ce4408423fb5377cce94dfa5

    • SHA256

      bcfef281b0772fea99d5ca9253d1dfb8c55cab952d6755f6c9bf5865715a6410

    • SHA512

      0cbfb6913c5381011b145e908f643a37abda653d1712591fb1e3292f527caa8ddc4f7e1b47e5b889e39b0825e36c6f5217635787290f8f3c8a9c012bb30021ab

    • SSDEEP

      6144:33xV7htOfFiktSdWyKYAWFCbW7LYxLk+4MGT+N50cIXv+1coDdkozx3pypmlNH9J:33xxPuFVtSdWJsuWXLGMvxsltRok/Gy

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks