General

  • Target

    d86d71d53b351a9d3c585b7e8b24d525.exe

  • Size

    180KB

  • Sample

    210816-cwbls514fa

  • MD5

    d86d71d53b351a9d3c585b7e8b24d525

  • SHA1

    590a404f7a297f97a8bf78f072a152c7ebdea277

  • SHA256

    eaa52f460d64093ebcf267e2fa4ebe342b31ee442127afe065892b790409eb33

  • SHA512

    d52dad0397efd9c9973b754d63e710ce04916672acfb4e25f492d597aed944c287744804eec4b267665aea023ac4cd3f9e928a1800fed9db1af9f5681d971a97

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

      d86d71d53b351a9d3c585b7e8b24d525.exe

    • Size

      180KB

    • MD5

      d86d71d53b351a9d3c585b7e8b24d525

    • SHA1

      590a404f7a297f97a8bf78f072a152c7ebdea277

    • SHA256

      eaa52f460d64093ebcf267e2fa4ebe342b31ee442127afe065892b790409eb33

    • SHA512

      d52dad0397efd9c9973b754d63e710ce04916672acfb4e25f492d597aed944c287744804eec4b267665aea023ac4cd3f9e928a1800fed9db1af9f5681d971a97

    • 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

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