MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df71148d5c047d3d46ce71ca4f68487b0a487a0b52ea4f5bb3f8eda035fd771a. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df71148d5c047d3d46ce71ca4f68487b0a487a0b52ea4f5bb3f8eda035fd771a
SHA3-384 hash: 09a9dda5697304e63348dcca55ec377455fc7ef01192572bd978ab8b1193d04b41525425cdc281fee23f619d7b254c12
SHA1 hash: 69b60bd912ed7ff6bcd80d3b1e7cf79fa35272c6
MD5 hash: 8c478a01ab08b256bd7e226df2e9ca1a
humanhash: dakota-coffee-november-oklahoma
File name:8c478a01ab08b256bd7e226df2e9ca1a.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:787'456 bytes
First seen:2021-12-30 07:35:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1615937a2e607eb15adb042a4174e80b (1 x ArkeiStealer, 1 x RaccoonStealer)
ssdeep 12288:35qCmHR3BYJPiajqfAEEzLL3A6FSFHEkZPYBXRq+F77:3nmHo7u4EEzL86sbYBB/
TLSH T1FDF401E1B4A1D17EC4417A30442ADF900D7EAD25CA54398B36743BBEAF712C05A26EDF
File icon (PE):PE icon
dhash icon 480c1c4c4f594b14 (172 x Smoke Loader, 134 x RedLineStealer, 98 x Amadey)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
330
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8c478a01ab08b256bd7e226df2e9ca1a.exe
Verdict:
Malicious activity
Analysis date:
2021-12-30 07:36:27 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/fce64418-756d-4090-b595-fa4d2d8f491a

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/216846/
Detection(s):
Win.Dropper.Tofsee-9919472-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
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
Searching for the window
Launching a process
Stealing user critical data
Launching a tool to kill processes
Forced shutdown of a browser
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/3507/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61cd61668991ba72b39fd447/reports/3fa94ed1-2cee-45c8-a1f9-6e937dc3d987/overview
Result
Verdict:
MALICIOUS
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:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7156d8ee-f5ae-42c1-90af-367f4e670e62
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/914002
Signature
Contains functionality to inject code into remote processes
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
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
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546480 Sample: rYRlzcBkN9.exe Startdate: 30/12/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 5 other signatures 2->44 8 rYRlzcBkN9.exe 2->8         started        process3 signatures4 46 Self deletion via cmd delete 8->46 48 Contains functionality to inject code into remote processes 8->48 50 Injects a PE file into a foreign processes 8->50 11 rYRlzcBkN9.exe 75 8->11         started        process5 dnsIp6 32 116.202.188.27, 49751, 80 HETZNER-ASDE Germany 11->32 34 mastodon.online 95.216.4.252, 443, 49750 HETZNER-ASDE Germany 11->34 36 192.168.2.1 unknown unknown 11->36 24 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->24 dropped 26 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 11->26 dropped 28 C:\Users\user\AppData\...\freebl3[1].dll, PE32 11->28 dropped 30 9 other files (none is malicious) 11->30 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->52 54 Self deletion via cmd delete 11->54 56 Tries to harvest and steal browser information (history, passwords, etc) 11->56 58 Tries to steal Crypto Currency Wallets 11->58 16 cmd.exe 1 11->16         started        file7 signatures8 process9 process10 18 taskkill.exe 1 16->18         started        20 conhost.exe 16->20         started        22 timeout.exe 1 16->22         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df71148d5c047d3d46ce71ca4f68487b0a487a0b52ea4f5bb3f8eda035fd771a/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-12-30 06:47:05 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=35yrjdk4ar6t2rwoohfe62cipmfeq6qlklve6w5t7dw2anp5o4na._file
Verdict:
malicious
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery spyware stealer suricata
Link:
https://tria.ge/reports/211230-je9qdaebhm/
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
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar Stealer
Vidar
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Malware Config
C2 Extraction:
https://mastodon.online/@banda1ker
https://koyu.space/@banda2ker
Unpacked files
SH256 hash:
1adf56fc733fe66117032a95ab0111a9a285f711925ab2dde82415d02835666a
MD5 hash:
e8760393ea88f48c1716452f68cfaa47
SHA1 hash:
16fcdaf1c48a40ce90fd1e1ce7a400c8558245df
Link:
https://www.unpac.me/results/eeddc023-7fda-4dd9-94bd-f4194f5a9fce/
SH256 hash:
df71148d5c047d3d46ce71ca4f68487b0a487a0b52ea4f5bb3f8eda035fd771a
MD5 hash:
8c478a01ab08b256bd7e226df2e9ca1a
SHA1 hash:
69b60bd912ed7ff6bcd80d3b1e7cf79fa35272c6
Link:
https://www.unpac.me/results/eeddc023-7fda-4dd9-94bd-f4194f5a9fce/
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/df71148d5c047d3d46ce71ca4f68487b0a487a0b52ea4f5bb3f8eda035fd771a

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/216846/

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