Overview

overview

10

Static

static

3

8a03737a00...32.exe

windows7-x64

10

8a03737a00...32.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8a03737a00eca05904d6eb4b7e6eb2d647df1c89ae8ae9fb7a4cea4ae9e46532.exe

  • Size

    4.8MB

  • Sample

    240614-bzxybatfmk

  • MD5

    e3fde49ae52139653cd08508e6df5eaf

  • SHA1

    b4b6b76dbcad01acb719fe968cf7fc602085fc5b

  • SHA256

    8a03737a00eca05904d6eb4b7e6eb2d647df1c89ae8ae9fb7a4cea4ae9e46532

  • SHA512

    cafd630d5db7c97f107842bc962e2127759d71c4802298d2d67d6a3b8adad76e5c663d519460847d5f443083d9d67f48bc1628ee6e56f20a589ffb87901f43da

  • SSDEEP

    98304:mFP+8UyLd7qUQ1do4G5c2r79q/3FSOHrqmzTOlbWF8x6iOFi:e4ad7qUQ/oHr4/1VH1YbWFw6iT

Score
10/10
socks5systemzbotnetdiscovery

Malware Config

Extracted

Family

socks5systemz

C2

aanavre.ru

bhukppt.com

Targets

    • Target

      8a03737a00eca05904d6eb4b7e6eb2d647df1c89ae8ae9fb7a4cea4ae9e46532.exe

    • Size

      4.8MB

    • MD5

      e3fde49ae52139653cd08508e6df5eaf

    • SHA1

      b4b6b76dbcad01acb719fe968cf7fc602085fc5b

    • SHA256

      8a03737a00eca05904d6eb4b7e6eb2d647df1c89ae8ae9fb7a4cea4ae9e46532

    • SHA512

      cafd630d5db7c97f107842bc962e2127759d71c4802298d2d67d6a3b8adad76e5c663d519460847d5f443083d9d67f48bc1628ee6e56f20a589ffb87901f43da

    • SSDEEP

      98304:mFP+8UyLd7qUQ1do4G5c2r79q/3FSOHrqmzTOlbWF8x6iOFi:e4ad7qUQ/oHr4/1VH1YbWFw6iT

    Score
    10/10
    socks5systemzbotnetdiscovery

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

      botnetsocks5systemz

    • Detects executables packed with VMProtect.

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks