General

  • Target

    d3546ba4a1fefb0a7f478e9af1493bec.exe

  • Size

    260KB

  • Sample

    211004-tnhy5aggbq

  • MD5

    d3546ba4a1fefb0a7f478e9af1493bec

  • SHA1

    ba5ec1494db7421467205d5a171878153639c701

  • SHA256

    90a2edd5280d702618114ba0a6822edbd249f3e3b02bcf31d977fca3d958582d

  • SHA512

    8b909d21f086de59c4f833a6d335c9077071c616ff094dbbce0dbfe771caf4210d272600b42181ba5fdeea67f95d39be8f4ab5519b23428ccb118ee3d67262f1

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://fiskahlilian16.top/

http://paishancho17.top/

http://ydiannetter18.top/

http://azarehanelle19.top/

http://quericeriant20.top/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

Proliv

C2

93.115.20.139:28978

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes
  • url4cnc

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

Huntington Bank

C2

34.94.44.44:45181

Extracted

Family

redline

Botnet

@big_tastyyy

C2

87.251.71.44:80

Extracted

Family

raccoon

Botnet

61491ed5436f034714f70beac9b11914bfa969d2

Attributes
  • url4cnc

    https://t.me/hdmiprapor

rc4.plain
rc4.plain

Targets

    • Target

      d3546ba4a1fefb0a7f478e9af1493bec.exe

    • Size

      260KB

    • MD5

      d3546ba4a1fefb0a7f478e9af1493bec

    • SHA1

      ba5ec1494db7421467205d5a171878153639c701

    • SHA256

      90a2edd5280d702618114ba0a6822edbd249f3e3b02bcf31d977fca3d958582d

    • SHA512

      8b909d21f086de59c4f833a6d335c9077071c616ff094dbbce0dbfe771caf4210d272600b42181ba5fdeea67f95d39be8f4ab5519b23428ccb118ee3d67262f1

    • 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.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

      suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)

    • suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

      suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • 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

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Privilege Escalation

New Service

1
T1050

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

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks