MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6de9b52d4498f6a5061d71b2851fbe5e5ba2cb1998891d807cb92dc0c210b8a3. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6de9b52d4498f6a5061d71b2851fbe5e5ba2cb1998891d807cb92dc0c210b8a3
SHA3-384 hash: 0d3f6bb57769a66e83b5f4b77d9e60ea7eda86763311eb871c514cfef031bc34612cbed150ead7e04bd66ab7157863bb
SHA1 hash: 830289c9135b3a0e526390e27e3a00a37723c8df
MD5 hash: e3be4420fc72c65d8ebe91239355ecbd
humanhash: moon-ohio-oregon-triple
File name:e3be4420fc72c65d8ebe91239355ecbd
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:1'070'304 bytes
First seen:2022-02-16 15:11:02 UTC
Last seen:2022-02-16 17:04:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:MnXEymipyzrKJtyew4Q56A/ed1+ITNcoTy8N3eoL73Tw:MAub/wD5u1+ocn+eoL73E
TLSH T16835DF79D9944F43D5C66C75A2E28D03EFD25B54A366F2CDDC2F308F4E6A3A048912E2
Reporter zbetcheckin
Tags:32 ArkeiStealer exe signed

Code Signing Certificate

Organisation:Legitimacy
Issuer:Legitimacy
Algorithm:sha1WithRSAEncryption
Valid from:2022-02-04T21:00:00Z
Valid to:2032-02-11T21:00:00Z
Serial number: 7fe58018355b8ba84b693e8ceae8076e
Thumbprint Algorithm:SHA256
Thumbprint: 3d26f247913cc14039c907f2d15fa25966e040b7228e56d8c08ac69dc7139796
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://suppercubeinstals.online/HorsemintVestigial.exe
Verdict:
Malicious activity
Analysis date:
2022-02-14 02:01:55 UTC
Tags:
opendir trojan stealer vidar loader
Link:
https://app.any.run/tasks/d181d6d0-b859-470c-bd1c-d3c643ba0d08

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241940/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.32274.8652.6069.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Unauthorized injection to a recently created process
Creating a file
Sending an HTTP GET request
DNS request
Reading critical registry keys
Creating a window
Delayed writing of the file
Sending a UDP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a process
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Forced shutdown of a browser
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed replace.exe
Link:
https://www.filescan.io/uploads/620d1411a2660f3bb9e6dcf8/reports/f3cff491-5db1-4d84-a65b-d53dbed397bc/overview
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.
Gathering data
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940912
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 573390 Sample: BmafZYtRWj Startdate: 16/02/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 8 BmafZYtRWj.exe 3 2->8         started        process3 file4 25 C:\Users\user\AppData\...\BmafZYtRWj.exe.log, ASCII 8->25 dropped 47 Self deletion via cmd delete 8->47 49 Injects a PE file into a foreign processes 8->49 12 BmafZYtRWj.exe 155 8->12         started        signatures5 process6 dnsIp7 35 95.216.147.143, 49762, 80 HETZNER-ASDE Germany 12->35 37 mastodon.online 95.216.4.252, 443, 49761 HETZNER-ASDE Germany 12->37 27 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->27 dropped 29 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->29 dropped 31 C:\Users\user\AppData\...\mozglue[1].dll, PE32 12->31 dropped 33 9 other files (none is malicious) 12->33 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to steal Mail credentials (via file / registry access) 12->53 55 Self deletion via cmd delete 12->55 57 2 other signatures 12->57 17 cmd.exe 1 12->17         started        file8 signatures9 process10 process11 19 taskkill.exe 1 17->19         started        21 conhost.exe 17->21         started        23 timeout.exe 1 17->23         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6de9b52d4498f6a5061d71b2851fbe5e5ba2cb1998891d807cb92dc0c210b8a3/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-14 01:16:45 UTC
File Type:
PE (.Net Exe)
AV detection:
34 of 43 (79.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nxu3klketd3kkbq5ogzikh56lzn2fsyztcer3ad4xew4bqqqxcrq._file
Verdict:
malicious
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:754 discovery spyware stealer
Link:
https://tria.ge/reports/220216-sklp6sbha3/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://mastodon.online/@k1llerniax
https://koyu.space/@k1llerni2x
Unpacked files
SH256 hash:
ae8961e3813355bd330350cb2da56d1834af09d3c2d0bcf6dea0d1c05b3483fb
MD5 hash:
397e2fcd44f001827c0793beb12ba603
SHA1 hash:
3ed15243782437c09c3efa98645fe1d1fab4e0a7
Link:
https://www.unpac.me/results/7f46d4cf-66ce-47ad-abb1-27faf4746330/
SH256 hash:
6de9b52d4498f6a5061d71b2851fbe5e5ba2cb1998891d807cb92dc0c210b8a3
MD5 hash:
e3be4420fc72c65d8ebe91239355ecbd
SHA1 hash:
830289c9135b3a0e526390e27e3a00a37723c8df
Link:
https://www.unpac.me/results/7f46d4cf-66ce-47ad-abb1-27faf4746330/
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/6de9b52d4498f6a5061d71b2851fbe5e5ba2cb1998891d807cb92dc0c210b8a3

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:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload

File information

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

Web download

ArkeiStealer

Executable exe 6de9b52d4498f6a5061d71b2851fbe5e5ba2cb1998891d807cb92dc0c210b8a3

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2045365/
Cape
Cape
https://www.capesandbox.com/analysis/241940/

Comments


Avatar
zbet commented on 2022-02-16 15:11:04 UTC

url : hxxp://suppercubeinstals.online/HorsemintVestigial.exe