arkei

Sharing

General

Target

8b2cc698d0ef0151f73ee8177adcd621.exe
Size

278KB
Sample

220111-1tcgvshggk
MD5

8b2cc698d0ef0151f73ee8177adcd621
SHA1

07312ed80fab0b7ba7745f951781f42f774810cd
SHA256

e5cf74bc10575dcf4a34e37eca0b6765c0dab19eee8d107ee26193f801ac206a
SHA512

80d51344ac239d420f2587c2c9e3c3f00436657e1aa25075828389b9a46228fd4e9112ee0089d743e50d8e5e9f2c94d17c52bc216a20180a775f71bf34ec31f6

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Version

2020

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

tofsee

patmushta.info

parubey.info

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Extracted

Family

vidar

Version

49.6

Botnet

1125

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes

profile_id
1125

Extracted

Family

vidar

Version

49.6

Botnet

565

https://noc.social/@banda5ker

https://mastodon.social/@banda6ker

Attributes

profile_id
565

Targets

- Target
  
  8b2cc698d0ef0151f73ee8177adcd621.exe
- Size
  
  278KB
- MD5
  
  8b2cc698d0ef0151f73ee8177adcd621
- SHA1
  
  07312ed80fab0b7ba7745f951781f42f774810cd
- SHA256
  
  e5cf74bc10575dcf4a34e37eca0b6765c0dab19eee8d107ee26193f801ac206a
- SHA512
  
  80d51344ac239d420f2587c2c9e3c3f00436657e1aa25075828389b9a46228fd4e9112ee0089d743e50d8e5e9f2c94d17c52bc216a20180a775f71bf34ec31f6
Score

10^/10

arkei raccoon smokeloader tofsee vidar xmrig 1125 backdoor collection discovery evasion miner persistence spyware stealer suricata trojan 565 upx
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- Raccoon
  Simple but powerful infostealer which was very active in 2019.
  stealer raccoon
- 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
- Windows security bypass
  evasion trojan
- suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
  suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
  suricata
- suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
  suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
  suricata
- 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 Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  suricata
- suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  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
- Vidar Stealer
  stealer
- XMRig Miner Payload
  miner
- Blocklisted process makes network request
- Creates new service(s)
  persistence
- Downloads MZ/PE file
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Deletes itself
- Drops startup file
- 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
- 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
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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

Web Service

T1102

Impact

Tasks

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Raccoon

SmokeLoader

Suspicious use of NtCreateProcessExOtherParentProcess

Tofsee

Vidar

Windows security bypass

suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01

suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

xmrig

Arkei Stealer Payload

Vidar Stealer

XMRig Miner Payload

Blocklisted process makes network request

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

Sets service image path in registry

UPX packed file

Deletes itself

Drops startup file

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

Adds Run key to start application

Checks installed software on the system

Legitimate hosting services abused for malware hosting/C2

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2