MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d432be6fd56140d4e9d3d207020c464277e729fea06bd1c3ef6adb491a772957. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



ArkeiStealer


Vendor detections: 12


Intelligence 12 IOCs 2 YARA File information Comments

SHA256 hash: d432be6fd56140d4e9d3d207020c464277e729fea06bd1c3ef6adb491a772957
SHA3-384 hash: 7ba9a6c4422b31ca8fe89a40afe5c7a66c68af364b74bb3d75ec548adbdea4870a8323474f83076234db0f1574ac775e
SHA1 hash: cf9b283fc66f9694fe2fd071518462a3c282a814
MD5 hash: fa6091ce1151d6e2237683c06336fcc2
humanhash: blossom-uncle-north-alpha
File name:fa6091ce1151d6e2237683c06336fcc2.exe
Download: download sample
Signature ArkeiStealer
File size:344'064 bytes
First seen:2022-01-04 19:15:31 UTC
Last seen:2022-01-04 20:50:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e64508a754c560e6e71788b6f0d7d44d (5 x RedLineStealer, 2 x RaccoonStealer, 1 x ArkeiStealer)
ssdeep 6144:hlz3fDzz2KrNP1v8JPFYBBTZvWeTJ2fUEPlG:hlz3bdPuJ98RZvvTJ8d
Threatray 2'054 similar samples on MalwareBazaar
TLSH T122747C10BBA0C035F5B752F849759368762E7EE1AB2491CB13D52BEE5A356E0EC3070B
File icon (PE):PE icon
dhash icon 2dac1378399b9b91 (35 x Smoke Loader, 34 x RedLineStealer, 18 x Amadey)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
95.143.179.186:4633

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
95.143.179.186:4633 https://threatfox.abuse.ch/ioc/290925/
185.215.113.50:19704 https://threatfox.abuse.ch/ioc/290933/

Intelligence


File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fa6091ce1151d6e2237683c06336fcc2.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-04 19:19:30 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
DNS request
Searching for synchronization primitives
Сreating synchronization primitives
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
RedLine SmokeLoader Tofsee Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
PE file has nameless sections
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 547922 Sample: UsjoKBshug.exe Startdate: 04/01/2022 Architecture: WINDOWS Score: 100 88 patmushta.info 194.87.235.183, 443, 49853, 49948 MTW-ASRU Russian Federation 2->88 90 86.107.197.138, 38133, 49922 MOD-EUNL Romania 2->90 92 2 other IPs or domains 2->92 124 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->124 126 Multi AV Scanner detection for domain / URL 2->126 128 Antivirus detection for URL or domain 2->128 130 17 other signatures 2->130 11 UsjoKBshug.exe 2->11         started        14 fesfgsg 2->14         started        16 kigvnawz.exe 2->16         started        18 11 other processes 2->18 signatures3 process4 dnsIp5 148 Contains functionality to inject code into remote processes 11->148 150 Injects a PE file into a foreign processes 11->150 21 UsjoKBshug.exe 11->21         started        152 Machine Learning detection for dropped file 14->152 24 fesfgsg 14->24         started        154 Detected unpacking (changes PE section rights) 16->154 156 Detected unpacking (overwrites its own PE header) 16->156 158 Writes to foreign memory regions 16->158 160 Allocates memory in foreign processes 16->160 94 127.0.0.1 unknown unknown 18->94 96 192.168.2.1 unknown unknown 18->96 162 Changes security center settings (notifications, updates, antivirus, firewall) 18->162 26 WerFault.exe 18->26         started        signatures6 process7 signatures8 132 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 21->132 134 Maps a DLL or memory area into another process 21->134 136 Checks if the current machine is a virtual machine (disk enumeration) 21->136 28 explorer.exe 12 21->28 injected 138 Creates a thread in another existing process (thread injection) 24->138 process9 dnsIp10 100 185.233.81.115, 443, 49775, 49776 SUPERSERVERSDATACENTERRU Russian Federation 28->100 102 188.166.28.199, 80 DIGITALOCEAN-ASNUS Netherlands 28->102 104 17 other IPs or domains 28->104 80 C:\Users\user\AppData\Roaming\fesfgsg, PE32 28->80 dropped 82 C:\Users\user\AppData\Local\Temp\A27E.exe, PE32 28->82 dropped 84 C:\Users\user\AppData\Local\Temp\94C6.exe, PE32 28->84 dropped 86 9 other malicious files 28->86 dropped 164 System process connects to network (likely due to code injection or exploit) 28->164 166 Benign windows process drops PE files 28->166 168 Deletes itself after installation 28->168 170 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->170 33 94C6.exe 28->33         started        37 86AC.exe 127 28->37         started        40 7268.exe 28->40         started        42 2 other processes 28->42 file11 signatures12 process13 dnsIp14 72 C:\Users\user\AppData\Local\...\kigvnawz.exe, PE32 33->72 dropped 106 Detected unpacking (changes PE section rights) 33->106 108 Detected unpacking (overwrites its own PE header) 33->108 110 Machine Learning detection for dropped file 33->110 122 2 other signatures 33->122 44 cmd.exe 33->44         started        47 cmd.exe 33->47         started        49 sc.exe 33->49         started        58 3 other processes 33->58 98 file-file-host4.com 37->98 74 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 37->74 dropped 76 C:\ProgramData\sqlite3.dll, PE32 37->76 dropped 112 Tries to harvest and steal browser information (history, passwords, etc) 37->112 114 Tries to steal Crypto Currency Wallets 37->114 116 Contains functionality to detect sleep reduction / modifications 37->116 51 cmd.exe 37->51         started        118 Multi AV Scanner detection for dropped file 40->118 53 7268.exe 40->53         started        120 Injects a PE file into a foreign processes 42->120 56 WerFault.exe 23 9 42->56         started        file15 signatures16 process17 file18 78 C:\Windows\SysWOW64\...\kigvnawz.exe (copy), PE32 44->78 dropped 60 conhost.exe 44->60         started        62 conhost.exe 47->62         started        64 conhost.exe 49->64         started        66 conhost.exe 51->66         started        140 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 53->140 142 Maps a DLL or memory area into another process 53->142 144 Checks if the current machine is a virtual machine (disk enumeration) 53->144 146 Creates a thread in another existing process (thread injection) 53->146 68 conhost.exe 58->68         started        70 conhost.exe 58->70         started        signatures19 process20
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2022-01-04 19:16:09 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:arkei family:raccoon family:smokeloader family:tofsee family:vidar family:xmrig botnet:10da56e7e71e97bdc1f36eb76813bbc3231de7e4 botnet:408 backdoor collection discovery evasion miner persistence spyware stealer suricata trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Arkei Stealer Payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Vidar Stealer
XMRig Miner Payload
Arkei
Raccoon
SmokeLoader
Suspicious use of NtCreateProcessExOtherParentProcess
Tofsee
Vidar
Windows security bypass
suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
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 HTTP POST Pattern
suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
xmrig
Malware Config
C2 Extraction:
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/
patmushta.info
parubey.info
https://qoto.org/@banda4ker
https://c.im/@banda3ker
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

ArkeiStealer

Executable exe d432be6fd56140d4e9d3d207020c464277e729fea06bd1c3ef6adb491a772957

(this sample)

  
Delivery method
Distributed via web download

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