General

  • Target

    Setup.exe

  • Size

    401.6MB

  • Sample

    220804-rf6zwafgb4

  • MD5

    7ce81f3883471e0e2150340c4eace951

  • SHA1

    fc18807cede77c790ba24f7f6011fd8212c15dec

  • SHA256

    f0f46f1e5caec50971a5b43e5791392c6aaa4a908083b6cf6dabaa68483490f9

  • SHA512

    4af8b92b62d9821956d249f9026fe1b3bb4652c9c206c38c8987b5ef734f5153a336ff0721b950641f6188e6bba79b7c50d57cdf4de82715d95eda2766322d7c

Malware Config

Extracted

Family

raccoon

Botnet

366d732b5458cd89fb09716f7472e6c8

C2

http://77.91.73.51/

http://77.91.73.52/

rc4.plain

Targets

    • Target

      Setup.exe

    • Size

      401.6MB

    • MD5

      7ce81f3883471e0e2150340c4eace951

    • SHA1

      fc18807cede77c790ba24f7f6011fd8212c15dec

    • SHA256

      f0f46f1e5caec50971a5b43e5791392c6aaa4a908083b6cf6dabaa68483490f9

    • SHA512

      4af8b92b62d9821956d249f9026fe1b3bb4652c9c206c38c8987b5ef734f5153a336ff0721b950641f6188e6bba79b7c50d57cdf4de82715d95eda2766322d7c

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Raccoon Stealer payload

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks