MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5f28e189dce19b7a88726571ca1de6bfcc11766d362c9f622593b615f2068f8. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5f28e189dce19b7a88726571ca1de6bfcc11766d362c9f622593b615f2068f8
SHA3-384 hash: 2fe77e4ec59c8cff018dd5d864efce84afd388eca73567f0ef6024a92ac5ee01e682083bb64cac951a2e6b91f186d485
SHA1 hash: 761a866083a43f214e2e1560801e0a950daf08e6
MD5 hash: 4215d8805e751c4d7ac809cdca175ba2
humanhash: connecticut-green-seven-solar
File name:4215d8805e751c4d7ac809cdca175ba2.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:808'983 bytes
First seen:2020-08-03 07:48:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9adc83b45e363b21cd6b11b5da0501f (82 x ArkeiStealer, 60 x RecordBreaker, 46 x RedLineStealer)
ssdeep 12288:pANwRo+mv8QD4+0V16zIpJXLaPGu5vxBazNBxmoIr06x/0ceZ61DZkS6kqqUxXos:pAT8QE+kecdkGKZYFmXr3/01wKqUtUq
TLSH 6C051234B2418577C0620972595F9276F53ABB046B3878CFB7DC4E3CCD372492A663AA
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://wileyhollers.com/

KPOTStealer C2:
http://89.249.67.27/bUjyAvgAIgcicUbB/util.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
kpot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37498/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.PSW.Generic8.ISF.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Delayed reading of the file
Creating a file in the %temp% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the Windows directory
Deleting a recently created file
Creating a process from a recently created file
Launching a process
Creating a process with a hidden window
Searching for the window
Sending a UDP request
DNS request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Creating a file in the Windows subdirectories
Reading critical registry keys
Sending a custom TCP request
Creating a file
Running batch commands
Delayed writing of the file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Stealing user critical data
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Launching a tool to kill processes
Connection attempt to an infection source
Forced shutdown of a browser
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/407663
Signature
Binary contains a suspicious time stamp
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses ping.exe to check the status of other devices and networks
Uses regedit.exe to modify the Windows registry
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256121 Sample: ut5jQ6pjof.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 84 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->84 86 Detected unpacking (changes PE section rights) 2->86 88 Detected unpacking (overwrites its own PE header) 2->88 90 6 other signatures 2->90 8 ut5jQ6pjof.exe 17 23 2->8         started        process3 file4 48 C:\Program Files (x86)\...\wotsuper1.exe, PE32 8->48 dropped 50 C:\Program Files (x86)\...\wotsuper.exe, PE32 8->50 dropped 52 C:\Windows\wotsuper.reg, Little-endian 8->52 dropped 54 2 other files (1 malicious) 8->54 dropped 11 wotsuper1.exe 16 8->11         started        16 wotsuper.exe 22 8->16         started        18 iexplore.exe 11 83 8->18         started        20 regedit.exe 8->20         started        process5 dnsIp6 76 kduck.emc 185.162.235.72, 49726, 49727, 80 SERVERIUS-ASNL Russian Federation 11->76 78 wcgmailserv19fd.xyz 5.61.37.112, 49732, 80 LEASEWEB-DE-FRA-10DE United Kingdom 11->78 56 C:\Users\user\AppData\Local\...\f515cb8e..exe, PE32 11->56 dropped 58 C:\Users\user\AppData\Local\...\atx111[1].exe, PE32 11->58 dropped 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->96 98 Tries to steal Mail credentials (via file access) 11->98 22 f515cb8e..exe 11->22         started        25 cmd.exe 11->25         started        80 wileyhollers.com 79.124.78.37, 49747, 80 VERDINABZ Bulgaria 16->80 60 C:\Users\user\AppData\...\freebl3[1].dll, PE32 16->60 dropped 28 WerFault.exe 20 9 16->28         started        31 WerFault.exe 16->31         started        33 WerFault.exe 16->33         started        37 2 other processes 16->37 82 iplogger.org 18->82 35 iexplore.exe 34 18->35         started        file7 signatures8 process9 dnsIp10 92 Detected unpacking (changes PE section rights) 22->92 94 Machine Learning detection for dropped file 22->94 39 f515cb8e..exe 22->39         started        72 127.0.0.1 unknown unknown 25->72 42 conhost.exe 25->42         started        44 PING.EXE 25->44         started        62 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 28->62 dropped 64 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 31->64 dropped 66 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 33->66 dropped 74 iplogger.org 88.99.66.31, 443, 49724, 49725 HETZNER-ASDE Germany 35->74 68 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 37->68 dropped 70 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 37->70 dropped file11 signatures12 process13 file14 46 C:\Users\user\AppData\Local\Temp\D47F.tmp, PE32 39->46 dropped
Detection:
kpot
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5f28e189dce19b7a88726571ca1de6bfcc11766d362c9f622593b615f2068f8/
Threat name:
Win32.Trojan.Skeeyah
Create hunting rule
Status:
Malicious
First seen:
2020-08-02 23:38:04 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxzi4ge5zym3pkehezlrzio6np6mcf3g2nrmt5rcle5wcxzand4a._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware
Link:
https://tria.ge/reports/200803-sn63g68c4j/
Behaviour
Modifies system certificate store
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Runs .reg file with regedit
Modifies Internet Explorer settings
Checks whether UAC is enabled
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Runs ping.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
JavaScript code in executable
Looks up external IP address via web service
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of local email clients
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Cryptor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b5f28e189dce19b7a88726571ca1de6bfcc11766d362c9f622593b615f2068f8

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:win_kpot_stealer_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_vidar_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_vidar_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
Rule name:with_sqlite
Create hunting rule
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information

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

Web download

ArkeiStealer

Executable exe b5f28e189dce19b7a88726571ca1de6bfcc11766d362c9f622593b615f2068f8

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/37498/
  
URLhaus
https://urlhaus.abuse.ch/url/406853/
  
Delivery method
Distributed via web download

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