Overview

overview

10

Static

static

C4Loader.exe

windows7_x64

10

C4Loader.exe

windows10-2004_x64

1

Sharing

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General

  • Target

    C4Loader.exe

  • Size

    2.2MB

  • Sample

    220607-xvglesdgel

  • MD5

    5e0b3c359fcc36dfa50f09642e628fd3

  • SHA1

    88ca1402ca389c6fe41e13da53b27722f9dea253

  • SHA256

    95a32c06589042c29fc2879bc7e55866664628a0bf1a5180ec92f9b4c52c01cb

  • SHA512

    eaca6ef4448550d83b63ea4ca2f7c5817a23515e5f74d61eb0e79eafe9c0450d16854054dac2d777a16b19065d4e7d6aa47661715ca05c8646d7c8f63c795545

Score
10/10
redlinenew1discoveryevasionexploitinfostealerspywaresuricata

Malware Config

Extracted

Family

redline

Botnet

new1

C2

194.87.186.140:46703

Attributes
  • auth_value

    1f11240703f5c67f15da5cf49122762c

Targets

    • Target

      C4Loader.exe

    • Size

      2.2MB

    • MD5

      5e0b3c359fcc36dfa50f09642e628fd3

    • SHA1

      88ca1402ca389c6fe41e13da53b27722f9dea253

    • SHA256

      95a32c06589042c29fc2879bc7e55866664628a0bf1a5180ec92f9b4c52c01cb

    • SHA512

      eaca6ef4448550d83b63ea4ca2f7c5817a23515e5f74d61eb0e79eafe9c0450d16854054dac2d777a16b19065d4e7d6aa47661715ca05c8646d7c8f63c795545

    Score
    10/10
    redlinenew1discoveryevasionexploitinfostealerspywaresuricata

    • Modifies security service

      evasion

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

      infostealerredline

    • RedLine Payload

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Possible privilege escalation attempt

      exploit

    • Stops running service(s)

      evasion

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Service Stop

1
T1489

Tasks