51316b9597639d0339cbd39d07a3907ab59f59d1c549dbd9065e68a14f52b609

General
Target

51316b9597639d0339cbd39d07a3907ab59f59d1c549dbd9065e68a14f52b609

Size

326KB

Sample

211226-nkbgzsbea4

Score
10 /10
MD5

bb8b08d57eb8095cbe44bf4480c7411a

SHA1

a21e475228995c1f6ee174abc0516c5a8506aa34

SHA256

51316b9597639d0339cbd39d07a3907ab59f59d1c549dbd9065e68a14f52b609

SHA512

4729de6b14b317e19ad73c4a1e8a99eab7f3125fb46ace4050f59eab6e97c4b1cfa3f566ff08e5bc411bf3012ad8eaca523ce20ee2b6d3509c90e645ae978cc4

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

51316b9597639d0339cbd39d07a3907ab59f59d1c549dbd9065e68a14f52b609

MD5

bb8b08d57eb8095cbe44bf4480c7411a

Filesize

326KB

Score
10/10
SHA1

a21e475228995c1f6ee174abc0516c5a8506aa34

SHA256

51316b9597639d0339cbd39d07a3907ab59f59d1c549dbd9065e68a14f52b609

SHA512

4729de6b14b317e19ad73c4a1e8a99eab7f3125fb46ace4050f59eab6e97c4b1cfa3f566ff08e5bc411bf3012ad8eaca523ce20ee2b6d3509c90e645ae978cc4

Tags

Signatures

  • Arkei

    Description

    Arkei is an infostealer written in C++.

    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

  • 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