arkei

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General

Target

setup_x86_x64_install.exe
Size

4.2MB
Sample

211008-yd22gaehcr
MD5

71c3c6ef549daa7a9e2fe5cecb83031f
SHA1

29b6c64e806bdc864ca37a62e50478c3179284a4
SHA256

e6080d51c23ff3825d6dda3280757ba1ce88be4b06d10bf9960a0d79973b43e3
SHA512

adb3c1350c732dc676356350edd8402b5e470836601f5252092ca369867dca48fb94e0038192a32363ee82402388c41a2eaac3558f1aaf8c15c3fc6944d6e09d

Malware Config

Extracted

Family

vidar

Version

41.2

Botnet

916

https://mas.to/@serg4325

Attributes

profile_id
916

Extracted

Family

smokeloader

Version

2020

http://gmpeople.com/upload/

http://mile48.com/upload/

http://lecanardstsornin.com/upload/

http://m3600.com/upload/

http://camasirx.com/upload/

http://fazanaharahe10.top/

http://xandelissane20.top/

http://ustiassosale30.top/

http://cytheriata40.top/

http://ggiergionard50.top/

rc4.i32

Extracted

Family

redline

Botnet

sehrish

135.181.129.119:4805

Extracted

Family

vidar

Version

41.2

Botnet

933

https://mas.to/@serg4325

Attributes

profile_id
933

Extracted

Family

redline

Botnet

media8

91.121.67.60:2151

Extracted

Family

raccoon

Version

1.8.2

Botnet

c95bfeb977df680e3fb35c1ce322d091ffdbaf92

Attributes

url4cnc
http://teletop.top/vvhotsummer
http://teleta.top/vvhotsummer
https://t.me/vvhotsummer

rc4.plain

Extracted

Family

vidar

Version

41.2

Botnet

937

https://mas.to/@serg4325

Attributes

profile_id
937

Targets

- Target
  
  setup_x86_x64_install.exe
- Size
  
  4.2MB
- MD5
  
  71c3c6ef549daa7a9e2fe5cecb83031f
- SHA1
  
  29b6c64e806bdc864ca37a62e50478c3179284a4
- SHA256
  
  e6080d51c23ff3825d6dda3280757ba1ce88be4b06d10bf9960a0d79973b43e3
- SHA512
  
  adb3c1350c732dc676356350edd8402b5e470836601f5252092ca369867dca48fb94e0038192a32363ee82402388c41a2eaac3558f1aaf8c15c3fc6944d6e09d
Score

10^/10

redline smokeloader socelars vidar 916 933 sehrish aspackv2 backdoor discovery evasion infostealer persistence spyware stealer suricata trojan xmrig media8 miner arkei raccoon c95bfeb977df680e3fb35c1ce322d091ffdbaf92 collection themida tofsee 937
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- Raccoon
  Simple but powerful infostealer which was very active in 2019.
  stealer raccoon
- 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
- Socelars
  Socelars is an infostealer targeting browser cookies and credit card credentials.
  stealer socelars
- Socelars Payload
- 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 Amadey CnC Check-In
  suricata: ET MALWARE Amadey CnC Check-In
  suricata
- suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
  suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
  suricata
- 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 GCleaner Downloader Activity M5
  suricata: ET MALWARE GCleaner Downloader Activity M5
  suricata
- suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
  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 Win32.Raccoon Stealer CnC Activity (dependency download)
  suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
  suricata
- suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
  suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
  suricata
- suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
  suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
  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
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Blocklisted process makes network request
- Creates new service(s)
  persistence
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- 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 local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Accesses Microsoft Outlook accounts
  collection
- 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
- Checks whether UAC is enabled
  evasion trojan
- Legitimate hosting services abused for malware hosting/C2
- Looks up external IP address via web service
  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
behavioral1 behavioral2 behavioral3 behavioral4 behavioral5 behavioral6 behavioral7 behavioral8

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

New Service

T1050

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

New Service

T1050

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Virtualization/Sandbox Evasion

T1497

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

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

Extracted

Extracted

Targets

Modifies Windows Defender Real-time Protection settings

Process spawned unexpected child process

Raccoon

RedLine

RedLine Payload

SmokeLoader

Socelars

Socelars Payload

Suspicious use of NtCreateProcessExOtherParentProcess

Tofsee

Vidar

suricata: ET MALWARE Amadey CnC Check-In

suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

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

suricata: ET MALWARE GCleaner Downloader Activity M5

suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

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 Win32.Raccoon Stealer CnC Activity (dependency download)

suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt

suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

xmrig

Arkei Stealer Payload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Vidar Stealer

XMRig Miner Payload

ASPack v2.12-2.42

Blocklisted process makes network request

Creates new service(s)

Downloads MZ/PE file

Drops file in Drivers directory

Executes dropped EXE

Modifies Windows Firewall

Checks BIOS information in registry

Checks computer location settings

Loads dropped DLL

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Themida packer

Accesses Microsoft Outlook accounts

Accesses Microsoft Outlook profiles

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Checks whether UAC is enabled

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6

behavioral7

behavioral8