General

  • Target

    e3aaad13eb435fef8caceaa49a50e35d638da30ab706a9bcc785eda2217a5c15

  • Size

    1.8MB

  • Sample

    240421-yng42saf47

  • MD5

    f77620e37fb87bdebb3cf5f6f2c47f40

  • SHA1

    363d14e2a03d08b8a47b0b2c432e08389acc7a38

  • SHA256

    e3aaad13eb435fef8caceaa49a50e35d638da30ab706a9bcc785eda2217a5c15

  • SHA512

    e851fb606f7fd8b983ace7b4e6edb7e37d6850aea89575d5e18db8dbb59c63ab4838c2a60d587d1cb58ebd3fabff419b2163f66847dd830debfbe0139737fa26

  • SSDEEP

    49152:VgwJ0FtL5c8xL307ASEZ1pI8lWWiRtwGHRV:VgvFt73y0uWiR

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Extracted

Family

redline

Botnet

@OLEH_PSP

C2

185.172.128.33:8970

Extracted

Family

redline

Botnet

LiveTraffic

C2

4.184.225.183:30592

Extracted

Family

stealc

C2

http://52.143.157.84

Attributes
  • url_path

    /c73eed764cc59dcb.php

Extracted

Family

xehook

C2

https://unotree.ru/

https://aiwhcpoaw.ru/

Targets

    • Target

      e3aaad13eb435fef8caceaa49a50e35d638da30ab706a9bcc785eda2217a5c15

    • Size

      1.8MB

    • MD5

      f77620e37fb87bdebb3cf5f6f2c47f40

    • SHA1

      363d14e2a03d08b8a47b0b2c432e08389acc7a38

    • SHA256

      e3aaad13eb435fef8caceaa49a50e35d638da30ab706a9bcc785eda2217a5c15

    • SHA512

      e851fb606f7fd8b983ace7b4e6edb7e37d6850aea89575d5e18db8dbb59c63ab4838c2a60d587d1cb58ebd3fabff419b2163f66847dd830debfbe0139737fa26

    • SSDEEP

      49152:VgwJ0FtL5c8xL307ASEZ1pI8lWWiRtwGHRV:VgvFt73y0uWiR

    • Amadey

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

    • Detect Xehook Payload

    • Detect ZGRat V1

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Xehook stealer

      Xehook is an infostealer written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Blocklisted process makes network request

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • 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.

    • 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

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

5
T1552

Credentials In Files

4
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

5
T1005

Command and Control

Web Service

1
T1102

Tasks