4ca06671bc47209dea468f808e71d660da11d97912edef605587cdefd4314651

General
Target

4ca06671bc47209dea468f808e71d660da11d97912edef605587cdefd4314651

Size

328KB

Sample

211226-nzwfpsaafn

Score
10 /10
MD5

603f58b0ada6c1292f5460ce2ca167ca

SHA1

ee52d5d82bb69b2492330c61790c82becb3b0b95

SHA256

4ca06671bc47209dea468f808e71d660da11d97912edef605587cdefd4314651

SHA512

15f60f22992be8850aecfd6a33ed175d7f4a6f1c0ea79334b53563468bfd51d88334a8bf837ccc7f2126d683756644d071ea193a0ab2094ec97e65070086bfd0

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

Targets
Target

4ca06671bc47209dea468f808e71d660da11d97912edef605587cdefd4314651

MD5

603f58b0ada6c1292f5460ce2ca167ca

Filesize

328KB

Score
10/10
SHA1

ee52d5d82bb69b2492330c61790c82becb3b0b95

SHA256

4ca06671bc47209dea468f808e71d660da11d97912edef605587cdefd4314651

SHA512

15f60f22992be8850aecfd6a33ed175d7f4a6f1c0ea79334b53563468bfd51d88334a8bf837ccc7f2126d683756644d071ea193a0ab2094ec97e65070086bfd0

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 DNS Query Sinkhole Domain Various Families (Possible Infected Host)

    Description

    suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

    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

  • 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
  • Looks up external IP address via web service

    Description

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix