General

  • Target

    Setup.exe

  • Size

    396.0MB

  • Sample

    220804-n87kbsffdr

  • MD5

    e5e62628c45c3ddb68cb1ac7b1d9ef6b

  • SHA1

    52ff4607f24e1f0623682e4d756b5f29bc213ca0

  • SHA256

    4830e0dc4af8e724ba266c00e2d8d531cde41ad8836d13c9b9939ba28f7a9888

  • SHA512

    b6b3b7208024c18d0ba66d54e39341f0450ba92f3b39012b80fcae89e27e617cfb9ba05b678c3a7d55ecf14b5175e52572773c3ec91b29912df56c09e6d152c9

Malware Config

Extracted

Family

raccoon

Botnet

8eb14caca01131f5f4ff62ef8a0fcab4

C2

http://5.252.23.112/

http://45.153.230.5/

rc4.plain

Targets

    • Target

      Setup.exe

    • Size

      396.0MB

    • MD5

      e5e62628c45c3ddb68cb1ac7b1d9ef6b

    • SHA1

      52ff4607f24e1f0623682e4d756b5f29bc213ca0

    • SHA256

      4830e0dc4af8e724ba266c00e2d8d531cde41ad8836d13c9b9939ba28f7a9888

    • SHA512

      b6b3b7208024c18d0ba66d54e39341f0450ba92f3b39012b80fcae89e27e617cfb9ba05b678c3a7d55ecf14b5175e52572773c3ec91b29912df56c09e6d152c9

    • 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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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

4
T1082

Collection

Data from Local System

2
T1005

Tasks