MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4315d3d65c9e358666612573a25b54365c68fa3779dedcfb8bb6b58a76a0bdc7. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4315d3d65c9e358666612573a25b54365c68fa3779dedcfb8bb6b58a76a0bdc7
SHA3-384 hash: 45d014b2e5b06a55c7001972f63d24a9aec1f682a24dd07801328494a2d2c89964636504b21c103fca8ca3229e265161
SHA1 hash: 3548d727aa9a4ae82d81dae058b4da2ac4b78978
MD5 hash: 8e9a79a294b21d4c3062ff235eaa941a
humanhash: carpet-skylark-lima-pennsylvania
File name:8e9a79a294b21d4c3062ff235eaa941a.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:750'592 bytes
First seen:2021-07-19 08:42:41 UTC
Last seen:2021-07-19 09:37:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b0fe27671bb60a5d31189716fdcf7690 (3 x Smoke Loader, 1 x RaccoonStealer, 1 x Stop)
ssdeep 12288:8n9QWLSpodiQI7dWZefW2LLNpYutEc+lTeLhb5bzWYObIkqqfipYYyM:89QkS2iVDhDdCaLjbPObHfifyM
Threatray 374 similar samples on MalwareBazaar
TLSH T16EF412163581D463D2B58D3048FAC275257EFCAF6D78490B3A8836CF6D712D2A9AD313
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8e9a79a294b21d4c3062ff235eaa941a.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-19 08:43:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1564dc30-6ac3-4f93-b60f-2b40c3a2b7a0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/172495/
Detection(s):
Win.Trojan.Generic-9879934-0
Create hunting rule

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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e30682c-1c20-4929-a13e-653dc78f9937
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/818133
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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)
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 450542 Sample: 8NVyaLrTJy.exe Startdate: 19/07/2021 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 6 other signatures 2->55 8 8NVyaLrTJy.exe 2->8         started        11 8NVyaLrTJy.exe 2->11         started        process3 signatures4 59 Detected unpacking (changes PE section rights) 8->59 61 Detected unpacking (overwrites its own PE header) 8->61 63 Contains functionality to inject code into remote processes 8->63 65 Writes many files with high entropy 8->65 13 8NVyaLrTJy.exe 1 18 8->13         started        67 Injects a PE file into a foreign processes 11->67 17 8NVyaLrTJy.exe 13 11->17         started        process5 dnsIp6 45 api.2ip.ua 77.123.139.190, 443, 49732, 49735 VOLIA-ASUA Ukraine 13->45 47 192.168.2.1 unknown unknown 13->47 37 C:\Users\...\8NVyaLrTJy.exe:Zone.Identifier, ASCII 13->37 dropped 19 8NVyaLrTJy.exe 13->19         started        22 icacls.exe 13->22         started        file7 process8 signatures9 57 Injects a PE file into a foreign processes 19->57 24 8NVyaLrTJy.exe 1 23 19->24         started        process10 dnsIp11 39 securebiz.org 218.232.207.201, 49738, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 24->39 41 astdg.top 190.166.139.145, 49737, 80 CompaniaDominicanadeTelefonosSADO Dominican Republic 24->41 43 api.2ip.ua 24->43 29 C:\Users\user\AppData\Local\...\setup.exe, DOS 24->29 dropped 31 C:\Users\user\AppData\Local\...\build2.exe, PE32 24->31 dropped 33 C:\_readme.txt, ASCII 24->33 dropped 35 202 other files (193 malicious) 24->35 dropped 69 Modifies existing user documents (likely ransomware behavior) 24->69 file12 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4315d3d65c9e358666612573a25b54365c68fa3779dedcfb8bb6b58a76a0bdc7/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-07-18 16:44:34 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
25 of 46 (54.35%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
11a5624d486d01bf1ebbf7d808524d44b26965f7e9ec89abebf75a9afc34b165
ArkeiStealer
4fc4936de4eb693ec57ae17e722c1c68e46afbc0c82f3c45d254c39571008f8b
ArkeiStealer
75c3a83073d9b15d4f47308b5d688f1ec07422419e3bd54e78f6ef8683d42e5c
ArkeiStealer
9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
ArkeiStealer
9feb26b9550dbf46719374757468d95b6882c00fd3ca65a02e9edf2854e900a9
ArkeiStealer
aa8c5d42026ac9a483f1984f762441d7f5805ef914819b473f9e15353995cc99
ArkeiStealer
b847a31ccac4306b56c4c899814b7afee46c66331aeb465f3727200bb025de54
ArkeiStealer
bd81a9361b8715dd584205fd2fca8f3c8d6fc3178ed8548674fcbd315b95a0a4
ArkeiStealer
d0283a485913dc517dc7fbee13c7dcce350b8309acc244db1a1923436fbce614
ArkeiStealer
d56681bb83bd1e54372061cf2e24017106e1fc6a26a86388c907db320e105060
ArkeiStealer
+ 364 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210719-kvsc1tpxns/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Modifies extensions of user files
Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://sslamlssa1.tumblr.com/
Unpacked files
SH256 hash:
f92ed70cc7dcba2962efbaecd758ccaadf606cb5d3f3211463cc0c1344e23184
MD5 hash:
1934f29c43141ddac6f2e6172eba4c9d
SHA1 hash:
59b58631c99b68a32168d0504625937169113c30
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/f0818d07-8b82-46c4-a489-4c85b090bd69/
Parent samples :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 hash:
4315d3d65c9e358666612573a25b54365c68fa3779dedcfb8bb6b58a76a0bdc7
MD5 hash:
8e9a79a294b21d4c3062ff235eaa941a
SHA1 hash:
3548d727aa9a4ae82d81dae058b4da2ac4b78978
Link:
https://www.unpac.me/results/f0818d07-8b82-46c4-a489-4c85b090bd69/
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/4315d3d65c9e358666612573a25b54365c68fa3779dedcfb8bb6b58a76a0bdc7

File information

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

Web download

ArkeiStealer

Executable exe 4315d3d65c9e358666612573a25b54365c68fa3779dedcfb8bb6b58a76a0bdc7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1423741/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/172495/

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