General

  • Target

    1719520929.094843_setup.exe

  • Size

    4.1MB

  • Sample

    240627-zhdp4szcra

  • MD5

    f26dcd30bef759d312b803a58f792c77

  • SHA1

    81c7e7d550b8b1ae289773ada8b690b695d4012a

  • SHA256

    1676f89a9e958079df53c985b55673571919e572e311202b8415fe0417e534ad

  • SHA512

    adf6c54fb26c5dae0453c896a62c6068851021d07c61d61e80d7962cf623768eda8f8735daa75952cd5c6b0b2a84e438cc9ea75ce502d8fb3c9fad5520ec933c

  • SSDEEP

    98304:/ABnPScPqMgYg7+LZAF1shVykb+1Ul44PbC4ypCuw+Rajaksx:/ePS6qMgYU+KshVyk+u64D9uw/aks

Malware Config

Extracted

Family

risepro

C2

5.42.66.10

Extracted

Family

stealc

Botnet

default

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family

socks5systemz

C2

ayrdulu.ru

http://ayrdulu.ru/search/?q=67e28dd86b5bf57b435daf497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff614c2ee95933a

Targets

    • Target

      1719520929.094843_setup.exe

    • Size

      4.1MB

    • MD5

      f26dcd30bef759d312b803a58f792c77

    • SHA1

      81c7e7d550b8b1ae289773ada8b690b695d4012a

    • SHA256

      1676f89a9e958079df53c985b55673571919e572e311202b8415fe0417e534ad

    • SHA512

      adf6c54fb26c5dae0453c896a62c6068851021d07c61d61e80d7962cf623768eda8f8735daa75952cd5c6b0b2a84e438cc9ea75ce502d8fb3c9fad5520ec933c

    • SSDEEP

      98304:/ABnPScPqMgYg7+LZAF1shVykb+1Ul44PbC4ypCuw+Rajaksx:/ePS6qMgYU+KshVyk+u64D9uw/aks

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Modifies firewall policy service

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Stealc

      Stealc is an infostealer written in C++.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unexpected DNS network traffic destination

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

6
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks