General

  • Target

    3bafa40aca4291e94f03e196a37b721395cdc3dd734a51dc5257b397b8cd823b

  • Size

    5.3MB

  • Sample

    221213-2amzxsgb89

  • MD5

    e4388cfae9fe63fe8ed1fcafc3e3ebf4

  • SHA1

    e1f78f904008c40b672eb38720deb0da1c864332

  • SHA256

    3bafa40aca4291e94f03e196a37b721395cdc3dd734a51dc5257b397b8cd823b

  • SHA512

    3d9fc95a9e6586059d0bbd652322d97cb6e15dae60f36e9cfa99ae1bd9654118428575c78f6aa953f453fa062648357974ae9c629051a10e48063b76734c4be8

  • SSDEEP

    98304:I3QvDlIZy+2nUoeGx5MBnw0FX9+MQ6i1Mm9PbI2Q9N2f6:m6XeGHM60EuB9s

Malware Config

Extracted

Family

amadey

Version

3.60

C2

85.209.135.11/gjend7w/index.php

Extracted

Family

systembc

C2

89.22.236.225:4193

176.124.205.5:4193

Targets

    • Target

      3bafa40aca4291e94f03e196a37b721395cdc3dd734a51dc5257b397b8cd823b

    • Size

      5.3MB

    • MD5

      e4388cfae9fe63fe8ed1fcafc3e3ebf4

    • SHA1

      e1f78f904008c40b672eb38720deb0da1c864332

    • SHA256

      3bafa40aca4291e94f03e196a37b721395cdc3dd734a51dc5257b397b8cd823b

    • SHA512

      3d9fc95a9e6586059d0bbd652322d97cb6e15dae60f36e9cfa99ae1bd9654118428575c78f6aa953f453fa062648357974ae9c629051a10e48063b76734c4be8

    • SSDEEP

      98304:I3QvDlIZy+2nUoeGx5MBnw0FX9+MQ6i1Mm9PbI2Q9N2f6:m6XeGHM60EuB9s

    • Amadey

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

    • Modifies security service

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Reads local data of messenger clients

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Impair Defenses

1
T1562

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks