MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b87dcaaf50d205d4eb5217c857e52d0afa4790716a793f5f6e563a955f632b1. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 9b87dcaaf50d205d4eb5217c857e52d0afa4790716a793f5f6e563a955f632b1
SHA3-384 hash: 9c5d10a7e680234e904b2a883b1b0514708068454909f1692e1eb4163d3ac36d527ba2293ae3b6966c4178db9720fa9b
SHA1 hash: f2e424269884541b4fc94f0a0f0b98fbdcb3d142
MD5 hash: 065ded19e649ffc4b5392da5191bc3ba
humanhash: violet-three-ohio-wolfram
File name:065ded19e649ffc4b5392da5191bc3ba.exe
Download: download sample
Signature ArkeiStealer
File size:740'352 bytes
First seen:2021-08-04 15:47:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3833f70f4683df10bc38b6f940f49e2 (1 x RaccoonStealer, 1 x ArkeiStealer)
ssdeep 12288:0yJPg0cix/p3A7T7hpiuJ6gAH6mbaqMtEp/e3oJu:r40XC7Xhpiuc6uQp3c
Threatray 422 similar samples on MalwareBazaar
TLSH T12BF41214B5A4C873D2662AF04E24CBB3AB2B74744C605E9F3B87676D6E727D1DF0420A
dhash icon 1272d292105c5c01 (11 x RaccoonStealer, 4 x RedLineStealer, 3 x DanaBot)
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:
065ded19e649ffc4b5392da5191bc3ba.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-04 15:49:34 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a UDP request
Deleting a recently created file
Connection attempt 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
Sending an HTTP GET request to an infection source
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
Verdict:
Malicious
Result
Threat name:
Djvu Vidar
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
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
Infects executable files (exe, dll, sys, html)
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 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)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 459429 Sample: DvsL0xxkR4.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->88 90 Antivirus detection for URL or domain 2->90 92 Multi AV Scanner detection for submitted file 2->92 94 6 other signatures 2->94 11 DvsL0xxkR4.exe 2->11         started        14 DvsL0xxkR4.exe 2->14         started        16 DvsL0xxkR4.exe 2->16         started        process3 signatures4 108 Detected unpacking (changes PE section rights) 11->108 110 Detected unpacking (overwrites its own PE header) 11->110 112 Contains functionality to inject code into remote processes 11->112 114 Writes many files with high entropy 11->114 18 DvsL0xxkR4.exe 1 18 11->18         started        116 Injects a PE file into a foreign processes 14->116 22 DvsL0xxkR4.exe 13 14->22         started        24 DvsL0xxkR4.exe 16->24         started        process5 dnsIp6 70 api.2ip.ua 77.123.139.190, 443, 49715, 49721 VOLIA-ASUA Ukraine 18->70 58 C:\Users\...\DvsL0xxkR4.exe:Zone.Identifier, ASCII 18->58 dropped 26 DvsL0xxkR4.exe 18->26         started        29 icacls.exe 18->29         started        file7 process8 signatures9 106 Injects a PE file into a foreign processes 26->106 31 DvsL0xxkR4.exe 1 25 26->31         started        process10 dnsIp11 76 securebiz.org 190.147.156.126, 49723, 80 TelmexColombiaSACO Colombia 31->76 78 astdg.top 123.215.94.239, 49724, 49726, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 31->78 80 api.2ip.ua 31->80 50 PhotosAppTracing_s...ode.etl.nooa (copy), DOS 31->50 dropped 52 Uninstall-PerUser_...4d4.log.nooa (copy), COM 31->52 dropped 54 Install_2019-06-27...848.log.nooa (copy), DOS 31->54 dropped 56 255 other files (245 malicious) 31->56 dropped 82 Tries to harvest and steal browser information (history, passwords, etc) 31->82 84 Infects executable files (exe, dll, sys, html) 31->84 86 Modifies existing user documents (likely ransomware behavior) 31->86 36 build2.exe 31->36         started        39 build3.exe 31->39         started        file12 signatures13 process14 signatures15 96 Detected unpacking (changes PE section rights) 36->96 98 Detected unpacking (overwrites its own PE header) 36->98 100 Machine Learning detection for dropped file 36->100 102 Injects a PE file into a foreign processes 36->102 41 build2.exe 36->41         started        104 Uses schtasks.exe or at.exe to add and modify task schedules 39->104 46 build3.exe 39->46         started        process16 dnsIp17 72 23.88.49.119, 49729, 80 ENZUINC-US United States 41->72 74 prophefliloc.tumblr.com 74.114.154.18, 443, 49728 AUTOMATTICUS Canada 41->74 60 C:\Users\user\AppData\...\softokn3[1].dll, PE32 41->60 dropped 62 C:\Users\user\AppData\...\freebl3[1].dll, PE32 41->62 dropped 64 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 41->64 dropped 68 9 other files (none is malicious) 41->68 dropped 118 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 41->118 120 Tries to harvest and steal browser information (history, passwords, etc) 41->120 122 Tries to steal Crypto Currency Wallets 41->122 66 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 46->66 dropped 48 schtasks.exe 46->48         started        file18 signatures19 process20
Threat name:
Win32.Trojan.Scarsi
Status:
Malicious
First seen:
2021-08-04 15:48:08 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer suricata
Behaviour
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
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 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:
9b87dcaaf50d205d4eb5217c857e52d0afa4790716a793f5f6e563a955f632b1
MD5 hash:
065ded19e649ffc4b5392da5191bc3ba
SHA1 hash:
f2e424269884541b4fc94f0a0f0b98fbdcb3d142
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

ArkeiStealer

Executable exe 9b87dcaaf50d205d4eb5217c857e52d0afa4790716a793f5f6e563a955f632b1

(this sample)

  
Delivery method
Distributed via web download

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