General

  • Target

    a19f250d646bde9b47deec9023fd27f1.exe

  • Size

    194KB

  • Sample

    210816-qrg8m3bw4s

  • MD5

    a19f250d646bde9b47deec9023fd27f1

  • SHA1

    4daab7f5422fbcf14689aedfa353af3e1d07e64c

  • SHA256

    e74bc1681d06f6f4ab4f3eafaa576329266891516a23b6e8b96410f1b8578b96

  • SHA512

    93c87440033631f93089d6619a0b9ea6219e6fce3fd08333cf9837aaf6e88b2d759fa7af3da4fc636f5cbd314cb6c72d99e83c1009b4ed64a6ecf955f7435446

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Targets

    • Target

      a19f250d646bde9b47deec9023fd27f1.exe

    • Size

      194KB

    • MD5

      a19f250d646bde9b47deec9023fd27f1

    • SHA1

      4daab7f5422fbcf14689aedfa353af3e1d07e64c

    • SHA256

      e74bc1681d06f6f4ab4f3eafaa576329266891516a23b6e8b96410f1b8578b96

    • SHA512

      93c87440033631f93089d6619a0b9ea6219e6fce3fd08333cf9837aaf6e88b2d759fa7af3da4fc636f5cbd314cb6c72d99e83c1009b4ed64a6ecf955f7435446

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Raccoon Stealer Payload

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • 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

    • Loads dropped DLL

    • 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

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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