MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88ba785493b66d6472ab808d5ef1d9b3526b9ebbd045d36fefedd8822860a79. 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: b88ba785493b66d6472ab808d5ef1d9b3526b9ebbd045d36fefedd8822860a79
SHA3-384 hash: 969db91cad846342839b354eb7f7cbd0f8a4c7104121403e54a4178c9db8390bc1fc273a9412d59391c4f2cbe9cec984
SHA1 hash: 8a0e7dd3ebaa8ce90b48e6debba5dd6de15965f5
MD5 hash: b017aa550d54a386598c36e278f9def4
humanhash: stairway-idaho-moon-mango
File name:b017aa550d54a386598c36e278f9def4.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:810'529 bytes
First seen:2020-08-03 07:11:06 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+0V16k9+6K7tL1fBDyLVYTlf0tv0gLzq81o5rg+YvXsu5h2pDT8:pAT8QE+kpc6KZLD7G0Bb2DPsRF0Xt
TLSH 97051239A6418177C0220979884FD3B6F939BB001B7C95CFBADD0E6C9D333566A613DA
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 :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
kpot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37414/
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
DNS request
Sending a UDP request
Creating a file in the Windows subdirectories
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Reading critical registry keys
Creating a file
Delayed writing of the file
Running batch commands
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Changing a file
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/407339
Signature
Binary contains a suspicious time stamp
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
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: 255900 Sample: YZJJGYeKFR.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->88 90 Detected unpacking (changes PE section rights) 2->90 92 Detected unpacking (overwrites its own PE header) 2->92 94 6 other signatures 2->94 8 YZJJGYeKFR.exe 18 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 26 8->16         started        18 iexplore.exe 11 82 8->18         started        20 regedit.exe 8->20         started        process5 dnsIp6 80 kduck.emc 185.162.235.72, 49714, 49715, 80 SERVERIUS-ASNL Russian Federation 11->80 82 wcgstarserver17km.xyz 5.61.37.112, 49720, 80 LEASEWEB-DE-FRA-10DE United Kingdom 11->82 56 C:\Users\user\AppData\Local\...\7217126f..exe, PE32 11->56 dropped 58 C:\Users\user\AppData\Local\...\atx111[1].exe, PE32 11->58 dropped 104 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->104 106 Tries to steal Mail credentials (via file access) 11->106 22 7217126f..exe 11->22         started        25 cmd.exe 11->25         started        84 wileyhollers.com 79.124.78.37, 49733, 80 VERDINABZ Bulgaria 16->84 60 C:\Users\user\AppData\...\freebl3[1].dll, PE32 16->60 dropped 62 C:\Users\user\AppData\...\mozglue[1].dll, PE32 16->62 dropped 64 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 16->64 dropped 66 2 other files (none is malicious) 16->66 dropped 28 WerFault.exe 20 9 16->28         started        31 WerFault.exe 16->31         started        33 WerFault.exe 16->33         started        35 WerFault.exe 16->35         started        86 iplogger.org 18->86 37 iexplore.exe 34 18->37         started        file7 signatures8 process9 dnsIp10 96 Detected unpacking (changes PE section rights) 22->96 98 Machine Learning detection for dropped file 22->98 100 Contains functionality to inject code into remote processes 22->100 102 Injects a PE file into a foreign processes 22->102 39 7217126f..exe 22->39         started        76 127.0.0.1 unknown unknown 25->76 42 conhost.exe 25->42         started        44 PING.EXE 25->44         started        68 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 28->68 dropped 70 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 31->70 dropped 72 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 33->72 dropped 74 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 35->74 dropped 78 iplogger.org 88.99.66.31, 443, 49712, 49713 HETZNER-ASDE Germany 37->78 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/b88ba785493b66d6472ab808d5ef1d9b3526b9ebbd045d36fefedd8822860a79/
Threat name:
Win32.Trojan.Glubpteba
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 07:13:06 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcf2pbkjhntnmrzkxaenl3y5tm2snoplxucf2nx673oyqiugbj4q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion trojan spyware discovery
Link:
https://tria.ge/reports/200803-g22j72fw2e/
Behaviour
Suspicious use of SetWindowsHookEx
Modifies Internet Explorer settings
Kills process with taskkill
Modifies data under HKEY_USERS
Runs .reg file with regedit
Checks whether UAC is enabled
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Modifies system certificate store
Checks processor information in registry
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Runs .reg file with regedit
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Modifies Control Panel
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Drops file in Windows directory
Drops file in Program Files directory
Suspicious use of SetThreadContext
JavaScript code in executable
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Legitimate hosting services abused for malware hosting/C2
Checks whether UAC is enabled
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Executes dropped EXE
ServiceHost packer
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b88ba785493b66d6472ab808d5ef1d9b3526b9ebbd045d36fefedd8822860a79

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 b88ba785493b66d6472ab808d5ef1d9b3526b9ebbd045d36fefedd8822860a79

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/37414/
  
URLhaus
https://urlhaus.abuse.ch/url/422741/
  
Delivery method
Distributed via web download

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