fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f

General
Target

fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f

Size

327KB

Sample

211226-nbr4daaadp

Score
10 /10
MD5

6d4f67848e786a5960ff5d4cd0a7b779

SHA1

43f915c59a332a77819ce4c66eaa0559ea5850c4

SHA256

fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f

SHA512

f731ea25fc5f486802df27e7599dac3d2348a4cd294c6a8a227d5f4c932be3266401dd0fe4c957cbd619d7b6ebd262791e1f870f6224b226374ecd7a14e62a03

Malware Config

Extracted

Family smokeloader
Version 2020
C2

http://host-data-coin-11.com/

http://file-coin-host-12.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 tofsee
C2

parubey.info

patmushta.info

Extracted

Family redline
Botnet 1
C2

86.107.197.138:38133

Extracted

Family raccoon
Botnet 10da56e7e71e97bdc1f36eb76813bbc3231de7e4
Attributes
url4cnc
http://194.180.174.53/capibar
http://91.219.236.18/capibar
http://194.180.174.41/capibar
http://91.219.236.148/capibar
https://t.me/capibar
rc4.plain
rc4.plain
Targets
Target

fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f

MD5

6d4f67848e786a5960ff5d4cd0a7b779

Filesize

327KB

Score
10/10
SHA1

43f915c59a332a77819ce4c66eaa0559ea5850c4

SHA256

fc7291f973855f25f8bd569f39d97cda140726b6e3af6ae0262d98e23f40f46f

SHA512

f731ea25fc5f486802df27e7599dac3d2348a4cd294c6a8a227d5f4c932be3266401dd0fe4c957cbd619d7b6ebd262791e1f870f6224b226374ecd7a14e62a03

Tags

Signatures

  • Arkei

    Description

    Arkei is an infostealer written in C++.

    Tags

  • Raccoon

    Description

    Simple but powerful infostealer which was very active in 2019.

    Tags

  • RedLine

    Description

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

    Tags

  • RedLine Payload

  • SmokeLoader

    Description

    Modular backdoor trojan in use since 2014.

    Tags

  • Tofsee

    Description

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

    Tags

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • Windows security bypass

    Tags

    TTPs

    Disabling Security ToolsModify Registry

  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    Description

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    Tags

  • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    Description

    suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    Tags

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

    Description

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

    Tags

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

    Description

    suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Tags

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    Description

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    Tags

  • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    Description

    suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    Tags

  • xmrig

    Description

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    Tags

  • Arkei Stealer Payload

    Tags

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

    Tags

    TTPs

    Query RegistryVirtualization/Sandbox Evasion

  • XMRig Miner Payload

    Tags

  • Creates new service(s)

    Tags

    TTPs

    New Service

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Modifies Windows Firewall

    Tags

    TTPs

    Modify Existing Service

  • Sets service image path in registry

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry

  • Checks BIOS information in registry

    Description

    BIOS information is often read in order to detect sandboxing environments.

    TTPs

    Query RegistrySystem Information Discovery

  • Deletes itself

  • Loads dropped DLL

  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    Tags

    TTPs

    Data from Local SystemCredentials in Files

  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files

  • Accesses Microsoft Outlook profiles

    Tags

    TTPs

    Email Collection

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files

  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry

  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery

  • Legitimate hosting services abused for malware hosting/C2

    TTPs

    Web Service

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

Related Tasks

behavioral1
MITRE ATT&CK Matrix