General

  • Target

    59337d81a078e3e3d20723610358990b95c4a6b4040f225faf8e53007687af98

  • Size

    243KB

  • Sample

    210920-d4n73scgc3

  • MD5

    442fe682a62071a6fde7c311f109d01e

  • SHA1

    33e46e1928c9ba78ca37c34905b869de194ab6d3

  • SHA256

    59337d81a078e3e3d20723610358990b95c4a6b4040f225faf8e53007687af98

  • SHA512

    000e9d4b5bae7f95cdc8f36305c646f4284dd05b50a360f774c956b9b2a2b4c43ff4d52870b80d5dd0a904dd8aa349176a40d7dbd4f061397a292494df3fac1e

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://venerynnet1.top/

http://kevonahira2.top/

http://vegangelist3.top/

http://kingriffaele4.top/

http://arakeishant5.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

UDP

C2

45.9.20.20:13441

Extracted

Family

redline

Botnet

New777

C2

45.67.231.145:10991

Targets

    • Target

      59337d81a078e3e3d20723610358990b95c4a6b4040f225faf8e53007687af98

    • Size

      243KB

    • MD5

      442fe682a62071a6fde7c311f109d01e

    • SHA1

      33e46e1928c9ba78ca37c34905b869de194ab6d3

    • SHA256

      59337d81a078e3e3d20723610358990b95c4a6b4040f225faf8e53007687af98

    • SHA512

      000e9d4b5bae7f95cdc8f36305c646f4284dd05b50a360f774c956b9b2a2b4c43ff4d52870b80d5dd0a904dd8aa349176a40d7dbd4f061397a292494df3fac1e

    • 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

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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 Enterprise v6

Tasks