MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc6f024b81983ce22d883ccc346b3888d984e360196b3e472c1cce3f79b70fa0. 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: dc6f024b81983ce22d883ccc346b3888d984e360196b3e472c1cce3f79b70fa0
SHA3-384 hash: 491fb42d1ce7573d3f6d0d679fc806d0053ae0a67c68ad9b1f8ec816eb5d223e059c59f6fd660630dfed6cdbb9590e9d
SHA1 hash: 5762839b7403d82363c8a5625f8f811425f9f1c5
MD5 hash: 540b4b9c6afd6d88d93ea8700c287fac
humanhash: eleven-robert-stream-nuts
File name:540b4b9c6afd6d88d93ea8700c287fac.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:746'496 bytes
First seen:2021-08-04 13:42:31 UTC
Last seen:2021-08-04 15:24:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 629ade9afe4dde1eb664e78b28e49fc1 (2 x Loki, 2 x RaccoonStealer, 1 x Smoke Loader)
ssdeep 12288:Hop6J/fIWV/T2GPJp1Ist2FyEN0bfqsVREAZR9fGhTM+b13IW51UI:Ip6J/fbJj1IsQ0bis4+9faTMq1335
Threatray 421 similar samples on MalwareBazaar
TLSH T188F412317582C073DAA9C7B54C25C2B6AF6ABC215D358C8B7BCA275B0F662C2DD75302
dhash icon 1272d292105c5c03 (31 x RaccoonStealer, 6 x Smoke Loader, 4 x Loki)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
540b4b9c6afd6d88d93ea8700c287fac.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-04 13:47:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e6c394c6-b1b0-4b12-b65d-79f8da5b6d7c

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/176360/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.19647.7917.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
Connection attempt
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
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
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.
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e673951e-d0fd-4cb4-855d-b723c0185255
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826937
Signature
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 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: 459365 Sample: ps6rYN9EZh.exe Startdate: 04/08/2021 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 ps6rYN9EZh.exe 2->8         started        11 ps6rYN9EZh.exe 2->11         started        13 ps6rYN9EZh.exe 2->13         started        15 ps6rYN9EZh.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 ps6rYN9EZh.exe 1 19 8->17         started        66 Detected unpacking (changes PE section rights) 11->66 68 Detected unpacking (overwrites its own PE header) 11->68 70 Contains functionality to inject code into remote processes 11->70 22 ps6rYN9EZh.exe 1 18 11->22         started        72 Multi AV Scanner detection for dropped file 13->72 74 Machine Learning detection for dropped file 13->74 24 ps6rYN9EZh.exe 13 13->24         started        26 ps6rYN9EZh.exe 13 15->26         started        process5 dnsIp6 48 astdg.top 151.237.138.38, 49725, 80 BG-NETCOMBG Bulgaria 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\ps6rYN9EZh.exe.nooa (copy), data 17->38 dropped 40 C:\Users\user\Desktop\ps6rYN9EZh.exe, data 17->40 dropped 46 7 other files (3 malicious) 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 77.123.139.190, 443, 49703, 49708 VOLIA-ASUA Ukraine 22->50 42 C:\Users\user\AppData\...\ps6rYN9EZh.exe, PE32 22->42 dropped 44 C:\Users\...\ps6rYN9EZh.exe:Zone.Identifier, ASCII 22->44 dropped 28 ps6rYN9EZh.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 ps6rYN9EZh.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc6f024b81983ce22d883ccc346b3888d984e360196b3e472c1cce3f79b70fa0/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 09:50:59 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0474887c2361109c3e0d8d0a8ee4967d96c5e48f3e159d68afe5dd83b3ef44a0
ArkeiStealer
0c1571e0f22ecc1c3ed2b80ee90df329d820e287ac0be834aa905726ea96887e
ArkeiStealer
5651c726a433d942eb9cdbe74c6631178fa3e243e0953e0a55f54f1752e05682
ArkeiStealer
5d232ce70bfdc3344ad9c117da898e5d72ea5a5ff0704933735abb186714c9f4
ArkeiStealer
adc2c80f4a9f969a641f2674c94bd576420b34d338b12ba5b4cab09e6c51a466
ArkeiStealer
d6353ac6a08f1e678698f658274332bcc27588c14e75e029e761dd6af0b4ef41
ArkeiStealer
+ 411 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer suricata
Link:
https://tria.ge/reports/210804-byhf4abtps/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
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
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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
Malware Config
C2 Extraction:
https://prophefliloc.tumblr.com/
Unpacked files
SH256 hash:
d459f6df74ee30219819b78ba2a514221820baf1897fb6c299587d71f2abd974
MD5 hash:
daa79e7e403deffea26d3537500f1f95
SHA1 hash:
cf33f01bf3b1f053f38f223994c7805002d9ac68
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/a7241792-1a37-42e5-a70a-010aab5791fb/
Parent samples :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 hash:
dc6f024b81983ce22d883ccc346b3888d984e360196b3e472c1cce3f79b70fa0
MD5 hash:
540b4b9c6afd6d88d93ea8700c287fac
SHA1 hash:
5762839b7403d82363c8a5625f8f811425f9f1c5
Link:
https://www.unpac.me/results/a7241792-1a37-42e5-a70a-010aab5791fb/
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/dc6f024b81983ce22d883ccc346b3888d984e360196b3e472c1cce3f79b70fa0

File information

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

Web download

ArkeiStealer

Executable exe dc6f024b81983ce22d883ccc346b3888d984e360196b3e472c1cce3f79b70fa0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1463721/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/176360/

Comments