General

  • Target

    5b17d689015c096af1a7fcb4973807cd.exe

  • Size

    180KB

  • Sample

    210816-peeqsfk4bs

  • MD5

    5b17d689015c096af1a7fcb4973807cd

  • SHA1

    41e3ec5c934dc452cc28ad030229824a4cbb1d9e

  • SHA256

    39894026621d1c5fabeca0fe3b0ba3fe2e97d99e17d50227ead4ac7c64ee080c

  • SHA512

    1962eaf95d355af1a1dd005afe5ab34f084f67b039040f609a8a854a30ce76d8aca7780cc7f53bb1dc663b57d2afe3cafced976ef50e9fcc07b79fa94a40cf4b

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

      5b17d689015c096af1a7fcb4973807cd.exe

    • Size

      180KB

    • MD5

      5b17d689015c096af1a7fcb4973807cd

    • SHA1

      41e3ec5c934dc452cc28ad030229824a4cbb1d9e

    • SHA256

      39894026621d1c5fabeca0fe3b0ba3fe2e97d99e17d50227ead4ac7c64ee080c

    • SHA512

      1962eaf95d355af1a1dd005afe5ab34f084f67b039040f609a8a854a30ce76d8aca7780cc7f53bb1dc663b57d2afe3cafced976ef50e9fcc07b79fa94a40cf4b

    • 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

    • 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