arkei

General

Target

2baec496257f3f6d81ecf505b00a5b6ad397dc4f82476f097e48ef7d7f3091c7
Size

312KB
Sample

220115-p7qe4aefan
MD5

79eee2dce53b4aa3887fde2d15c07d47
SHA1

09d9e75e441e623999fb8dca4b7120c2a742e2dd
SHA256

2baec496257f3f6d81ecf505b00a5b6ad397dc4f82476f097e48ef7d7f3091c7
SHA512

c7e1faf217ad40dd348fc5b2d3092af42ff35ecc3a98eacbbf349527d41ff8c2c61e28c013718860936977cc298eb17275071eda4e6f775b0e57dbe9b0d7c016

Score

10^/10

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

Extracted

Family

arkei

Botnet

Default

C2

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

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Extracted

Family

vidar

Version

49.6

Botnet

1120

C2

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes

profile_id
1120

Targets

- Target
  
  2baec496257f3f6d81ecf505b00a5b6ad397dc4f82476f097e48ef7d7f3091c7
- Size
  
  312KB
- MD5
  
  79eee2dce53b4aa3887fde2d15c07d47
- SHA1
  
  09d9e75e441e623999fb8dca4b7120c2a742e2dd
- SHA256
  
  2baec496257f3f6d81ecf505b00a5b6ad397dc4f82476f097e48ef7d7f3091c7
- SHA512
  
  c7e1faf217ad40dd348fc5b2d3092af42ff35ecc3a98eacbbf349527d41ff8c2c61e28c013718860936977cc298eb17275071eda4e6f775b0e57dbe9b0d7c016
Score

10^/10

arkei smokeloader tofsee vidar xmrig 1120 default backdoor discovery evasion miner persistence spyware stealer suricata trojan
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Suspicious use of NtCreateProcessExOtherParentProcess
- 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
- suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  suricata
- suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
  suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Arkei Stealer Payload
  stealer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- 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
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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 cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1