General

  • Target

    38f5d25d1fa0981e56e01433c2d948d6e2f6ed3a7a8a1ff1c5a91f7180446d97

  • Size

    139KB

  • Sample

    211117-avyhlsdbej

  • MD5

    ec9ec217db7cb731ab25a5d0e71ec51a

  • SHA1

    cda63a94cf817d3e125ca60c1bcd8f8b169532f4

  • SHA256

    38f5d25d1fa0981e56e01433c2d948d6e2f6ed3a7a8a1ff1c5a91f7180446d97

  • SHA512

    3d296aef4ec282e207a3b526d673ca4a291fc4bd456d121c27c939a18e59261ab6f3b67be156270ddf38a2fe89dddd2086ec1564f3173c7b767c4eab32174093

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

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

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

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

C2

185.159.80.90:38637

185.223.92.157:7659

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

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

e0a5b6f1f905520b5671c84d59bd182b3eb344c6

Attributes
  • url4cnc

    http://91.219.236.27/trentopop

    http://5.181.156.92/trentopop

    http://91.219.236.207/trentopop

    http://185.225.19.18/trentopop

    http://91.219.237.227/trentopop

    https://t.me/trentopop

rc4.plain
rc4.plain

Targets

    • Target

      38f5d25d1fa0981e56e01433c2d948d6e2f6ed3a7a8a1ff1c5a91f7180446d97

    • Size

      139KB

    • MD5

      ec9ec217db7cb731ab25a5d0e71ec51a

    • SHA1

      cda63a94cf817d3e125ca60c1bcd8f8b169532f4

    • SHA256

      38f5d25d1fa0981e56e01433c2d948d6e2f6ed3a7a8a1ff1c5a91f7180446d97

    • SHA512

      3d296aef4ec282e207a3b526d673ca4a291fc4bd456d121c27c939a18e59261ab6f3b67be156270ddf38a2fe89dddd2086ec1564f3173c7b767c4eab32174093

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • 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 SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks