General

  • Target

    ac237bc6951d4b07e6c65be5ae9cc2a2e0c049984e9a38595a57a73d36af8043

  • Size

    140KB

  • Sample

    211117-rxyd3achh5

  • MD5

    fb720dc1b4a123717835908f3111afc3

  • SHA1

    14d0ccd37e8a21261de028731e30728652645499

  • SHA256

    ac237bc6951d4b07e6c65be5ae9cc2a2e0c049984e9a38595a57a73d36af8043

  • SHA512

    472e116b27c6063d3e082283246f5a6fc435f62851150e3d7d52aaf3f2eacd0827d2d01d083fce4bc112ddfe2c707bb8af8e9b7500117bb368086b7d2544f491

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
  • url4cnc

    http://91.219.236.27/capibar

    http://5.181.156.92/capibar

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

e0a5b6f1f905520b5671c84d59bd182b3eb344c6

Attributes
  • url4cnc

    http://91.219.236.27/trentopop

    http://5.181.156.92/trentopop

    http://91.219.236.207/trentopop

    http://185.225.19.18/trentopop

    http://91.219.237.227/trentopop

    https://t.me/trentopop

rc4.plain
rc4.plain

Targets

    • Target

      ac237bc6951d4b07e6c65be5ae9cc2a2e0c049984e9a38595a57a73d36af8043

    • Size

      140KB

    • MD5

      fb720dc1b4a123717835908f3111afc3

    • SHA1

      14d0ccd37e8a21261de028731e30728652645499

    • SHA256

      ac237bc6951d4b07e6c65be5ae9cc2a2e0c049984e9a38595a57a73d36af8043

    • SHA512

      472e116b27c6063d3e082283246f5a6fc435f62851150e3d7d52aaf3f2eacd0827d2d01d083fce4bc112ddfe2c707bb8af8e9b7500117bb368086b7d2544f491

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • 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.

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks