General

  • Target

    743f8fec87ebf7c5d6b392261ec3988f.exe

  • Size

    334KB

  • Sample

    211118-ldmkkafcc3

  • MD5

    743f8fec87ebf7c5d6b392261ec3988f

  • SHA1

    1bc862eecde55f2c1de69bc9e3fdd7468de373d0

  • SHA256

    c9f18cc71c7a1fa61d43a32dfb858f9aa247324a188f8182981b853266d3b1c7

  • SHA512

    59156212c7c800920da3a3f22191799ac4632dda5a3128b4f7bb8a2856a924dedf16c470766ac37ef431df7cc76cc98df4bb1af180c70584caf71cdd28819413

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

185.159.80.90:38637

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

ddf183af4241e3172885cf1b2c4c1fb4ee03d05a

Attributes
  • url4cnc

    http://91.219.236.27/capibar

    http://5.181.156.92/capibar

    http://91.219.236.207/capibar

    http://185.225.19.18/capibar

    http://91.219.237.227/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Targets

    • Target

      743f8fec87ebf7c5d6b392261ec3988f.exe

    • Size

      334KB

    • MD5

      743f8fec87ebf7c5d6b392261ec3988f

    • SHA1

      1bc862eecde55f2c1de69bc9e3fdd7468de373d0

    • SHA256

      c9f18cc71c7a1fa61d43a32dfb858f9aa247324a188f8182981b853266d3b1c7

    • SHA512

      59156212c7c800920da3a3f22191799ac4632dda5a3128b4f7bb8a2856a924dedf16c470766ac37ef431df7cc76cc98df4bb1af180c70584caf71cdd28819413

    • 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.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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