arkei

Resubmissions

08-10-2021 15:07

211008-shl8xsefa9 10

08-10-2021 05:38

211008-gbvqyadce8 10

07-10-2021 18:28

211007-w4jayacge3 10

Sharing

Copy URL

Twitter E-mail

General

Target

setup_x86_x64_install.exe
Size

5.9MB
Sample

211008-gbvqyadce8
MD5

0308d3044eda0db671c58c2a97cb3c10
SHA1

1737ab616a61d35b0bde0aaad949d9894e14be9e
SHA256

b52242da50ea2b3a05f6787dfa7197a0c99442e91d3bc78b71363c2ff3c4f072
SHA512

29902fe4a53319290d18b65a6baa1d747f1389a84cd7eb1a123d05b418b737336cd54c84b76403bc2cbb1f078c19b4461a89eec8214bfcdcf4831bb1dbda0e3e

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

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/

rc4.i32

Extracted

Family

raccoon

Version

1.8.2

Botnet

3a6818b104313fce1772361ea1977d608ac93da0

Attributes

url4cnc
http://teletop.top/kaba4ello
http://teleta.top/kaba4ello
https://t.me/kaba4ello

rc4.plain

Extracted

Family

vidar

Version

41.2

Botnet

916

https://mas.to/@serg4325

Attributes

profile_id
916

Extracted

Family

redline

Botnet

media214

91.121.67.60:2151

Extracted

Family

vidar

Version

41.2

Botnet

937

https://mas.to/@serg4325

Attributes

profile_id
937

Targets

- Target
  
  setup_x86_x64_install.exe
- Size
  
  5.9MB
- MD5
  
  0308d3044eda0db671c58c2a97cb3c10
- SHA1
  
  1737ab616a61d35b0bde0aaad949d9894e14be9e
- SHA256
  
  b52242da50ea2b3a05f6787dfa7197a0c99442e91d3bc78b71363c2ff3c4f072
- SHA512
  
  29902fe4a53319290d18b65a6baa1d747f1389a84cd7eb1a123d05b418b737336cd54c84b76403bc2cbb1f078c19b4461a89eec8214bfcdcf4831bb1dbda0e3e
Score

10^/10

raccoon redline servhelper smokeloader socelars 3a6818b104313fce1772361ea1977d608ac93da0 aspackv2 backdoor collection discovery evasion exploit infostealer persistence spyware stealer trojan vidar 916 media214 arkei themida 937
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- Modifies firewall policy service
  evasion
- Modifies security service
  evasion
- 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
- Registers COM server for autorun
  persistence
- ServHelper
  ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
  trojan backdoor servhelper
- 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
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Arkei Stealer Payload
  stealer
- Checks for common network interception software
  Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
  evasion
- Grants admin privileges
  Uses net.exe to modify the user's privileges.
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Vidar Stealer
  stealer
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Blocklisted process makes network request
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Modifies Installed Components in the registry
  persistence
- Modifies RDP port number used by Windows
- Modifies Windows Firewall
  evasion
- Possible privilege escalation attempt
  exploit
- Sets DLL path for service in the 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.
- Deletes itself
- Drops startup file
- Loads dropped DLL
- Modifies file permissions
  discovery
- 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 2FA software files, possible credential harvesting
  spyware stealer
- 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 for any installed AV software in registry
- 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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- 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

Registry Run Keys / Startup Folder

T1060

Account Manipulation

T1098

Scheduled Task

T1053

BITS Jobs

T1197

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Virtualization/Sandbox Evasion

T1497

File Permissions Modification

T1222

BITS Jobs

T1197

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Software Discovery

T1518

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Security Software Discovery

T1063

Peripheral Device Discovery

T1120

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Web Service

T1102

Impact

Tasks

Resubmissions

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Modifies Windows Defender Real-time Protection settings

Modifies firewall policy service

Modifies security service

Process spawned unexpected child process

Raccoon

RedLine

RedLine Payload

Registers COM server for autorun

ServHelper

SmokeLoader

Socelars

Socelars Payload

Suspicious use of NtCreateProcessExOtherParentProcess

Vidar

Arkei Stealer Payload

Checks for common network interception software

Grants admin privileges

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

Vidar Stealer

ASPack v2.12-2.42

Blocklisted process makes network request

Downloads MZ/PE file

Drops file in Drivers directory

Executes dropped EXE

Modifies Installed Components in the registry

Modifies RDP port number used by Windows

Modifies Windows Firewall

Possible privilege escalation attempt

Sets DLL path for service in the registry

Checks BIOS information in registry

Checks computer location settings

Deletes itself

Drops startup file

Loads dropped DLL

Modifies file permissions

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Themida packer

Accesses 2FA software files, possible credential harvesting

Accesses Microsoft Outlook accounts

Accesses Microsoft Outlook profiles

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks for any installed AV software in registry

Checks installed software on the system

Checks whether UAC is enabled

Enumerates connected drives

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