f3b976b7cf9758297025bc90bcfb1660f7aba849b4934b6df0c6b35d758f30c6

General
Target

f3b976b7cf9758297025bc90bcfb1660f7aba849b4934b6df0c6b35d758f30c6

Size

327KB

Sample

211226-nyaslsbeb5

Score
10 /10
MD5

d1b4cc256d963f6549b9d63fd63c3bb7

SHA1

75a65405f5dc3c864913e919fa35adc21045dabb

SHA256

f3b976b7cf9758297025bc90bcfb1660f7aba849b4934b6df0c6b35d758f30c6

SHA512

bb1f7f2c9c3765f990de039298fe745415c4546d664a892044799c6a6825a1dc259e6ffb519fb0cc8bc4d5ba9fcc921a14dea0e0e31c69edae77138e464ecc7f

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

f3b976b7cf9758297025bc90bcfb1660f7aba849b4934b6df0c6b35d758f30c6

MD5

d1b4cc256d963f6549b9d63fd63c3bb7

Filesize

327KB

Score
10/10
SHA1

75a65405f5dc3c864913e919fa35adc21045dabb

SHA256

f3b976b7cf9758297025bc90bcfb1660f7aba849b4934b6df0c6b35d758f30c6

SHA512

bb1f7f2c9c3765f990de039298fe745415c4546d664a892044799c6a6825a1dc259e6ffb519fb0cc8bc4d5ba9fcc921a14dea0e0e31c69edae77138e464ecc7f

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

  • 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

behavioral1
MITRE ATT&CK Matrix