Overview

overview

10

Static

static

3

crt[1].exe

windows7-x64

10

crt[1].exe

windows10-2004-x64

10

Sharing

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General

  • Target

    crt[1].exe

  • Size

    5.9MB

  • Sample

    240706-hxm4nazdrk

  • MD5

    92bfec483f66ffb7f39664711b0180a5

  • SHA1

    2df518a3a31c820e5358fc397e25e7cef8fa608c

  • SHA256

    f85cfee6e5aaf84b1e0a5517c4f70dcc70a2fc98e39c5f06b9d33f2d309cfa16

  • SHA512

    f0d583e3c1abddfd76b4ac2cdea99379f4ebc61942ab51d942aa2fa68feab55233dcade49bbb4a5e6c049414c9ff4507fbf35e9629743fc1d79f7ae72a6c9e71

  • SSDEEP

    98304:CWHIwoMKV8W9pvrIuyyJ9B7zEvE2V7XhYJSzL/XTleTFwpFBLuIuOzRD70QxZ:3otZ8W9dtxzEvZ9hY2L/XTCFw/rbYQb

Score
10/10
socks5systemzbotnetdiscovery

Malware Config

Targets

    • Target

      crt[1].exe

    • Size

      5.9MB

    • MD5

      92bfec483f66ffb7f39664711b0180a5

    • SHA1

      2df518a3a31c820e5358fc397e25e7cef8fa608c

    • SHA256

      f85cfee6e5aaf84b1e0a5517c4f70dcc70a2fc98e39c5f06b9d33f2d309cfa16

    • SHA512

      f0d583e3c1abddfd76b4ac2cdea99379f4ebc61942ab51d942aa2fa68feab55233dcade49bbb4a5e6c049414c9ff4507fbf35e9629743fc1d79f7ae72a6c9e71

    • SSDEEP

      98304:CWHIwoMKV8W9pvrIuyyJ9B7zEvE2V7XhYJSzL/XTleTFwpFBLuIuOzRD70QxZ:3otZ8W9dtxzEvZ9hY2L/XTCFw/rbYQb

    Score
    10/10
    socks5systemzbotnetdiscovery

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

      botnetsocks5systemz

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

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

    • Checks installed software on the system

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

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks