arkei

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General

Target

333942acbd4a57d7f0e5410ecf076d2a.exe
Size

335KB
Sample

211121-meszeaggc9
MD5

333942acbd4a57d7f0e5410ecf076d2a
SHA1

ecfc7328cf9181b1ddec51149895d13f6109e7f4
SHA256

ee33a3b6f160ac159547272bf6aa0726b3c89ef256961fad3cc45c9220aacff7
SHA512

e566bb448736b32461b7ec5066ba4197bc9d468718709a753e677c40f0e65c41f5e669293224f049d318dee4e0177e4e6652aed15a746b409788feea11609b0b

Malware Config

Extracted

Family

smokeloader

Version

2020

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

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

Extracted

Family

redline

185.159.80.90:38637

Extracted

Family

arkei

Botnet

Default

http://file-file-host4.com/tratata.php

Extracted

Family

redline

Botnet

1823930346

185.92.74.63:10829

Extracted

Family

redline

Botnet

installations

144.76.84.177:26938

Extracted

Family

vidar

Version

48.6

Botnet

706

https://mastodon.online/@valhalla

https://koyu.space/@valhalla

Attributes

profile_id
706

Targets

- Target
  
  333942acbd4a57d7f0e5410ecf076d2a.exe
- Size
  
  335KB
- MD5
  
  333942acbd4a57d7f0e5410ecf076d2a
- SHA1
  
  ecfc7328cf9181b1ddec51149895d13f6109e7f4
- SHA256
  
  ee33a3b6f160ac159547272bf6aa0726b3c89ef256961fad3cc45c9220aacff7
- SHA512
  
  e566bb448736b32461b7ec5066ba4197bc9d468718709a753e677c40f0e65c41f5e669293224f049d318dee4e0177e4e6652aed15a746b409788feea11609b0b
Score

10^/10

redline smokeloader tofsee xmrig backdoor discovery evasion infostealer miner persistence spyware stealer trojan arkei vidar 1823930346 706 default installations collection
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine Payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Windows security bypass
  evasion trojan
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Arkei Stealer Payload
  stealer
- Vidar Stealer
  stealer
- XMRig Miner Payload
  miner
- Creates new service(s)
  persistence
- Downloads MZ/PE file
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- Deletes itself
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses Microsoft Outlook profiles
  collection
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

T1050

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

New Service

T1050

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Tasks

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

RedLine

RedLine Payload

SmokeLoader

Tofsee

Vidar

Windows security bypass

xmrig

Arkei Stealer Payload

Vidar Stealer

XMRig Miner Payload

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

Sets service image path in registry

Deletes itself

Loads dropped DLL

Reads user/profile data of web browsers

Accesses 2FA software files, possible credential harvesting

Accesses Microsoft Outlook profiles

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Drops file in System32 directory

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2