General

  • Target

    file.exe

  • Size

    358KB

  • Sample

    220912-x5hw8seab4

  • MD5

    5ca78e4191699df68c9b08460c9f7a2a

  • SHA1

    c419ffa4098ac2b5cd06a71d08bf8360c1e70631

  • SHA256

    6b17d488dbf2b4ca6d6a8f0bd38ef68d006e3a3991b597f9be1cc56728038962

  • SHA512

    3ff62786f59b3796416e4eb13707b3470d57560a45ef79392a15ea0c68f00b80fbf74b6aa06eb03e39738780ec9a4b82cd9327da036e87849bf8d9dd99441eaa

  • SSDEEP

    6144:OlzcfHp87wQqTBguSyR8X6yTULyWFfxZ/j1nO8TYG0bAG+qQ6xT+UhbnKj7BPa+Q:Ol+JNN+uSyKXFTqFfxZ/j1nO8TYG0bAh

Malware Config

Extracted

Family

redline

Botnet

5

C2

79.110.62.196:26277

Attributes
  • auth_value

    febe6965b41d2583ad2bb6b5aa23cfd5

Targets

    • Target

      file.exe

    • Size

      358KB

    • MD5

      5ca78e4191699df68c9b08460c9f7a2a

    • SHA1

      c419ffa4098ac2b5cd06a71d08bf8360c1e70631

    • SHA256

      6b17d488dbf2b4ca6d6a8f0bd38ef68d006e3a3991b597f9be1cc56728038962

    • SHA512

      3ff62786f59b3796416e4eb13707b3470d57560a45ef79392a15ea0c68f00b80fbf74b6aa06eb03e39738780ec9a4b82cd9327da036e87849bf8d9dd99441eaa

    • SSDEEP

      6144:OlzcfHp87wQqTBguSyR8X6yTULyWFfxZ/j1nO8TYG0bAG+qQ6xT+UhbnKj7BPa+Q:Ol+JNN+uSyKXFTqFfxZ/j1nO8TYG0bAh

    • RedLine

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

    • RedLine 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.

    • 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