MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8c7303d13cc249ed8f9c159e76d9edbfb7dbf6249c663f8e8f413083e42582a. 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: a8c7303d13cc249ed8f9c159e76d9edbfb7dbf6249c663f8e8f413083e42582a
SHA3-384 hash: 43fcbaf09191e853552cb6b66876bd9b6db380a6e8670799411ef21c592a2c365b1bdde035a22cb23536db845acf1e29
SHA1 hash: 9aec6b4ed4d7f1add0c3fc02e50d6ba8335498d0
MD5 hash: 208317152a0f37c2e5ba21429a6e055c
humanhash: april-lamp-freddie-arkansas
File name:208317152a0f37c2e5ba21429a6e055c.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:715'776 bytes
First seen:2021-07-20 12:46:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ae2db6c03e6b0c919da78387a2065daa (2 x DanaBot, 1 x ArkeiStealer)
ssdeep 12288:tf+q4cGpX4kaWJJLjx8Jt2xWFgDs5PE89zBpme+rVJyQnADGzqV2K1QKYr1y:tWq414kxJ9F8JtFb5se6WEAC42Hy
Threatray 383 similar samples on MalwareBazaar
TLSH T113E413207AE0C435DAF3497148F8D6A17B3FB9766C3C424B56A436CE2E622C169BD347
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
208317152a0f37c2e5ba21429a6e055c.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-20 12:49:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/99638309-6533-4d61-b1b2-9c52e9f74652

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/172819/
Detection(s):
Win.Dropper.Genkryptik-9880017-0
Create hunting rule

Win.Malware.Generic-9880039-0
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:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8756211a-dd75-454a-b077-8c95014920aa
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/818931
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 sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 451360 Sample: 9bCnBwR693.exe Startdate: 20/07/2021 Architecture: WINDOWS Score: 100 38 116.202.183.50, 49729, 80 HETZNER-ASDE Germany 2->38 40 sslamlssa1.tumblr.com 74.114.154.18, 443, 49727 AUTOMATTICUS Canada 2->40 42 api.2ip.ua 2->42 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Antivirus detection for URL or domain 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 6 other signatures 2->60 9 9bCnBwR693.exe 2->9         started        12 9bCnBwR693.exe 2->12         started        signatures3 process4 signatures5 62 Detected unpacking (changes PE section rights) 9->62 64 Detected unpacking (overwrites its own PE header) 9->64 66 Contains functionality to inject code into remote processes 9->66 68 Writes many files with high entropy 9->68 14 9bCnBwR693.exe 1 18 9->14         started        70 Injects a PE file into a foreign processes 12->70 process6 dnsIp7 50 api.2ip.ua 77.123.139.190, 443, 49715, 49719 VOLIA-ASUA Ukraine 14->50 36 C:\Users\...\9bCnBwR693.exe:Zone.Identifier, ASCII 14->36 dropped 18 9bCnBwR693.exe 14->18         started        21 icacls.exe 14->21         started        file8 process9 signatures10 52 Injects a PE file into a foreign processes 18->52 23 9bCnBwR693.exe 1 23 18->23         started        process11 dnsIp12 44 astdg.top 84.40.106.91, 49721, 80 NET1-ASBG Bulgaria 23->44 46 securebiz.org 78.45.53.24, 49720, 80 LIBERTYGLOBALLibertyGlobalformerlyUPCBroadbandHolding Czech Republic 23->46 48 2 other IPs or domains 23->48 28 C:\Users\user\AppData\Roaming\...behaviorgraphB.XSL, COM 23->28 dropped 30 C:\Users\user\AppData\Local\...\settings.dat, DOS 23->30 dropped 32 C:\Users\user\...\UnistackCritical.etl.0001, COM 23->32 dropped 34 316 other files (302 malicious) 23->34 dropped 72 Modifies existing user documents (likely ransomware behavior) 23->72 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8c7303d13cc249ed8f9c159e76d9edbfb7dbf6249c663f8e8f413083e42582a/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-07-20 00:22:33 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
23 of 28 (82.14%)
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
+ 373 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer
Link:
https://tria.ge/reports/210720-a799p2llj2/
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
Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://sslamlssa1.tumblr.com/
Unpacked files
SH256 hash:
607707c8132dcfad64ad037667bed63c8ea2805904db07d0adb550424130a39c
MD5 hash:
a42f9d8fb2cc8c71372f68a2ce058a06
SHA1 hash:
0cf04b56200ace1c58906df83c43245cd2521c34
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/b30b0e77-8ba8-4335-b1ff-3b7aaccd53a0/
Parent samples :
a8c7303d13cc249ed8f9c159e76d9edbfb7dbf6249c663f8e8f413083e42582a
bafa7212a0a4b4b79e977cbd09e9a102a51a66a352e10366e748f0a1a90f0215
efd055ee7d3d09c7211dd6aceef64f42ff62d01edf0105d06d77d0b92411bedc
8149ba1f710102ff2383263c9f80d5a7c06352ee3a24d1a7beb9d702dd423ec5
78d30477d1d0c61b8f613acf41ca2bf33bd2cc45c4e1f102dd5900aa25dd3c35
4bf2dace8a23551a3cd374a14b68cef6185aa18f9148dac8bf77f19f734d3ad7
f5a484d6db0cfca71151e5870cde7b1711cbfa8dc0175140aee2c47c24595d27
331318ad73d13c8c2e3fbb0d56c5a493722f42eeda70c0b8e375abe035a6b54f
363189b59e6f4f6ced2fd81ca31ef1299ac9989288f51162bd6c03fdb4fd5a50
SH256 hash:
a8c7303d13cc249ed8f9c159e76d9edbfb7dbf6249c663f8e8f413083e42582a
MD5 hash:
208317152a0f37c2e5ba21429a6e055c
SHA1 hash:
9aec6b4ed4d7f1add0c3fc02e50d6ba8335498d0
Link:
https://www.unpac.me/results/b30b0e77-8ba8-4335-b1ff-3b7aaccd53a0/
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/a8c7303d13cc249ed8f9c159e76d9edbfb7dbf6249c663f8e8f413083e42582a

File information

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

Web download

ArkeiStealer

Executable exe a8c7303d13cc249ed8f9c159e76d9edbfb7dbf6249c663f8e8f413083e42582a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1423741/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/172819/

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