General

  • Target

    2b4c2adc6535d248c8ea20f2107339102e2215efb6dfbda9110fa7a1c28361aa

  • Size

    1.8MB

  • Sample

    240328-2bjc5aab6x

  • MD5

    77a5fc1eba5cce7236349bf78bd85b46

  • SHA1

    91a7bb4bee7394929ec42b339e4d4e66d6675d8c

  • SHA256

    2b4c2adc6535d248c8ea20f2107339102e2215efb6dfbda9110fa7a1c28361aa

  • SHA512

    dcb5e917f24757853663b5fe6aabb02612887dd242b2be0831b4508768e9110f02994483dc26c194becc8d055ad0d1507777b39ee6965e6b2c9c96514feb98aa

  • SSDEEP

    49152:wcnh157fyef09L7ZhuJGujDoUWrxtWeD0J4gFBq7nX:9n3dfy/Rfuj0ZrwJVBEn

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

redline

Botnet

@OLEH_PSP

C2

185.172.128.33:8970

Targets

    • Target

      2b4c2adc6535d248c8ea20f2107339102e2215efb6dfbda9110fa7a1c28361aa

    • Size

      1.8MB

    • MD5

      77a5fc1eba5cce7236349bf78bd85b46

    • SHA1

      91a7bb4bee7394929ec42b339e4d4e66d6675d8c

    • SHA256

      2b4c2adc6535d248c8ea20f2107339102e2215efb6dfbda9110fa7a1c28361aa

    • SHA512

      dcb5e917f24757853663b5fe6aabb02612887dd242b2be0831b4508768e9110f02994483dc26c194becc8d055ad0d1507777b39ee6965e6b2c9c96514feb98aa

    • SSDEEP

      49152:wcnh157fyef09L7ZhuJGujDoUWrxtWeD0J4gFBq7nX:9n3dfy/Rfuj0ZrwJVBEn

    • Amadey

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

    • Detect ZGRat V1

    • Detected google phishing page

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • RedLine

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

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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

    • Modifies file permissions

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

File and Directory Permissions Modification

1
T1222

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

4
T1005

Impact

Service Stop

1
T1489

Tasks