MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab19f685983e8f405cbbf21303df6582418d0b22f0490cd699aa95c6814ec7a4. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab19f685983e8f405cbbf21303df6582418d0b22f0490cd699aa95c6814ec7a4
SHA3-384 hash: 2a28baea49860f9f07ac870c26a45d0c21a9c9bc9e5022ac3fbdf021f2308c4f61d3942fb8dbb6196efb24c4da3b4b86
SHA1 hash: 5a20da965b4be37497b9f8cd9c1dfe72b8232881
MD5 hash: 5cfad779246c0e136f67716f7c933c97
humanhash: oscar-eleven-massachusetts-social
File name:5cfad779246c0e136f67716f7c933c97.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:867'328 bytes
First seen:2021-06-01 08:31:38 UTC
Last seen:2021-06-01 09:42:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 04270520ff7500328fbe7b31f4e73eb1 (7 x RaccoonStealer, 2 x Stop, 1 x ArkeiStealer)
ssdeep 12288:kSULqXXBr9xcoWrHJhi3DetWRdCAXhm4fNn6wc/ZCI0B9ddFAJsjj0f0xMTdiNyv:kHer9xwDi3DegemgrPEzP/Pw0SdiB0b
Threatray 237 similar samples on MalwareBazaar
TLSH E305F1006790D034F5F736F58ABB926C9A2A7DA2E77450CF52C5AAEE67341E0AC30717
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5cfad779246c0e136f67716f7c933c97.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-01 08:32:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2185b6d8-9266-496d-9e0b-4d64a09404b8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/163755/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46397001.12905.6951.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/795112
Signature
Contains functionality to inject code into remote processes
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 427514 Sample: WkcE0NNT0V.exe Startdate: 01/06/2021 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Found ransom note / readme 2->58 60 2 other signatures 2->60 8 WkcE0NNT0V.exe 2->8         started        11 WkcE0NNT0V.exe 2->11         started        13 WkcE0NNT0V.exe 2->13         started        15 WkcE0NNT0V.exe 2->15         started        process3 signatures4 64 Multi AV Scanner detection for dropped file 8->64 66 Machine Learning detection for dropped file 8->66 68 Contains functionality to inject code into remote processes 8->68 17 WkcE0NNT0V.exe 1 19 8->17         started        70 Injects a PE file into a foreign processes 11->70 22 WkcE0NNT0V.exe 1 16 11->22         started        24 WkcE0NNT0V.exe 12 13->24         started        26 WkcE0NNT0V.exe 12 15->26         started        process5 dnsIp6 48 asvb.top 34.105.39.31, 49726, 80 GOOGLEUS United States 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\WkcE0NNT0V.exe, data 17->38 dropped 40 C:\Users\user\Desktop\...behaviorgraphIGIYTFFYT.png, data 17->40 dropped 46 2 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 77.123.139.190, 443, 49717, 49721 VOLIA-ASUA Ukraine 22->50 42 C:\Users\user\AppData\...\WkcE0NNT0V.exe, PE32 22->42 dropped 44 C:\Users\...\WkcE0NNT0V.exe:Zone.Identifier, ASCII 22->44 dropped 28 WkcE0NNT0V.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 WkcE0NNT0V.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab19f685983e8f405cbbf21303df6582418d0b22f0490cd699aa95c6814ec7a4/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2021-06-01 02:13:47 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0463b38f5b4a592a808c730ee27a29607fab41971d5cbad604a1559f1cf460dd
ArkeiStealer
59db1c1bc14d72ef225926c9d5a5a5a704d79b22b720e4e7884b2da2825c9203
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6c63325e8f7928f68484e7131d1e4b727f94bd476f8a875d17f5ca680c3d8e92
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7dd793aab5547eb5523f7c9c0222b819995d7550603fa027854a63327b59b657
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869bd0ca39150a6e0f87609ca7e927211ba9cf636b69c33c3cd09db85922dd94
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88a30fa4dee34a4249544734b5323f180ba725a8582226a5b891c43e81b2c395
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afc40ccbfe32719ae9b39ce16275f27400faefefcf207641d06b61ddde622011
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dcbea2abd13caac137cf4b0075f1631d7db9ddbcf11f09563f8b163e43191363
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ArkeiStealer
+ 227 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210601-3dagdrxsqe/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
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
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 local data of messenger clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Deletes Windows Defender Definitions
Djvu Ransomware
Vidar
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/ab19f685983e8f405cbbf21303df6582418d0b22f0490cd699aa95c6814ec7a4

File information

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

Web download

ArkeiStealer

Executable exe ab19f685983e8f405cbbf21303df6582418d0b22f0490cd699aa95c6814ec7a4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/163755/

Comments