General

  • Target

    0d558642cb8576c04cad2835209a1ee8ffd40061f985a8ba8ab4d4f45ada5ad4.exe

  • Size

    1.8MB

  • Sample

    240731-bfvc3ssgkc

  • MD5

    c015c231f5d013a7031748f95129a969

  • SHA1

    27f74431dbaa7b8bd16a5ddc0b871da65ea62849

  • SHA256

    0d558642cb8576c04cad2835209a1ee8ffd40061f985a8ba8ab4d4f45ada5ad4

  • SHA512

    baf6f0d3752e49ad769325bde85129d803094ea42e9d9735eafb3f415014e6d2f07a977d8892fef85307bc80e0060f0ef3c364ef3b6d05a0d4324956723a194e

  • SSDEEP

    49152:AsoGdXqMpDQe+xIfJJzbTR4O8/t76/rhCDfpIrs:poGtqMpU9KhF6OB/rIDpI

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/index.php

rc4.plain

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

redline

Botnet

exodusmarket.io

C2

91.92.240.111:1334

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

51.222.21.20:4782

Mutex

374acc94-a8cd-45c6-bc31-752e0f83541d

Attributes
  • encryption_key

    5B2A5F50FABB3F6748116D7077D95758D0DFFC77

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svchost

  • subdirectory

    SubDir

Targets

    • Target

      0d558642cb8576c04cad2835209a1ee8ffd40061f985a8ba8ab4d4f45ada5ad4.exe

    • Size

      1.8MB

    • MD5

      c015c231f5d013a7031748f95129a969

    • SHA1

      27f74431dbaa7b8bd16a5ddc0b871da65ea62849

    • SHA256

      0d558642cb8576c04cad2835209a1ee8ffd40061f985a8ba8ab4d4f45ada5ad4

    • SHA512

      baf6f0d3752e49ad769325bde85129d803094ea42e9d9735eafb3f415014e6d2f07a977d8892fef85307bc80e0060f0ef3c364ef3b6d05a0d4324956723a194e

    • SSDEEP

      49152:AsoGdXqMpDQe+xIfJJzbTR4O8/t76/rhCDfpIrs:poGtqMpU9KhF6OB/rIDpI

    • Amadey

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

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • RedLine

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

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • 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 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

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks