MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f4b6ad0ebd72f4cd135f72266a7fb9d2f11aa7081a7234b5fc5b24a1a765e41. 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

SHA256 hash: 3f4b6ad0ebd72f4cd135f72266a7fb9d2f11aa7081a7234b5fc5b24a1a765e41
SHA3-384 hash: 32c1f259ecd261a0e0e65ad379d72b8285a53b06bd732dea78b92480c3762cb6591931622b6a21e7ee7b513d5ce6c33d
SHA1 hash: 2a041dd30f3948dda4361cf2023be32742e48781
MD5 hash: b67cdf6e4003ac3f087650b55a5291da
humanhash: monkey-music-oxygen-bakerloo
File name:b67cdf6e4003ac3f087650b55a5291da.exe
Download: download sample
Signature ArkeiStealer
File size:713'728 bytes
First seen:2021-09-26 06:51:10 UTC
Last seen:2021-09-26 08:05:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 062d438af0a5427d47d2119e831026d3 (27 x RedLineStealer, 8 x RaccoonStealer, 4 x ArkeiStealer)
ssdeep 12288:pzeGNBHvcCryiVY8dGvRkPEnolcTbiILOJKWOhfEtzwHeEijJOzP7vd:VeGNBPcCrLOvacol8biywKWqeEeEoCTv
Threatray 719 similar samples on MalwareBazaar
TLSH T1B4E412E0B7A2C433DBA381701AA0C635563FB8335D776287E74D53AB1E207915AF532A
File icon (PE):PE icon
dhash icon fcfcb4f4d4d4d8c0 (19 x RedLineStealer, 16 x RaccoonStealer, 14 x Smoke Loader)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b67cdf6e4003ac3f087650b55a5291da.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-26 06:53:43 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
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Djvu Vidar
Detection:
malicious
Classification:
rans.spre.troj.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)
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 domain / URL
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 490783 Sample: GLuwMgzHXf.exe Startdate: 26/09/2021 Architecture: WINDOWS Score: 100 38 159.69.203.58, 49765, 80 HETZNER-ASDE Germany 2->38 40 mas.to 88.99.75.82, 443, 49743 HETZNER-ASDE Germany 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 Multi AV Scanner detection for domain / URL 2->56 58 Antivirus detection for URL or domain 2->58 60 8 other signatures 2->60 9 GLuwMgzHXf.exe 2->9         started        12 GLuwMgzHXf.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 14 GLuwMgzHXf.exe 1 17 9->14         started        68 Injects a PE file into a foreign processes 12->68 process6 dnsIp7 50 api.2ip.ua 77.123.139.190, 443, 49736, 49737 VOLIA-ASUA Ukraine 14->50 36 C:\Users\...behaviorgraphLuwMgzHXf.exe:Zone.Identifier, ASCII 14->36 dropped 18 GLuwMgzHXf.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 GLuwMgzHXf.exe 1 21 18->23         started        process11 dnsIp12 44 securebiz.org 14.51.96.70, 49738, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 23->44 46 192.168.2.1 unknown unknown 23->46 48 2 other IPs or domains 23->48 28 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 23->28 dropped 30 C:\Users\user\AppData\Local\...\build2.exe, PE32 23->30 dropped 32 C:\Users\user\Desktop\...\MXPXCVPDVN.jpg, data 23->32 dropped 34 12 other files (4 malicious) 23->34 dropped 70 Infects executable files (exe, dll, sys, html) 23->70 72 Modifies existing user documents (likely ransomware behavior) 23->72 file13 signatures14
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-09-26 01:51:23 UTC
AV detection:
24 of 45 (53.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer suricata
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 user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
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
Unpacked files
SH256 hash:
52abed372fef8c6f6d2f618af456f01bb7840f6a20aeeac882e72f751e8c6c0b
MD5 hash:
0419ceafccad7b4aeeff524530093486
SHA1 hash:
89f265a3036b5642319c49b4f9f89defcc2617ad
Detections:
win_stop_auto
SH256 hash:
3f4b6ad0ebd72f4cd135f72266a7fb9d2f11aa7081a7234b5fc5b24a1a765e41
MD5 hash:
b67cdf6e4003ac3f087650b55a5291da
SHA1 hash:
2a041dd30f3948dda4361cf2023be32742e48781
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 3f4b6ad0ebd72f4cd135f72266a7fb9d2f11aa7081a7234b5fc5b24a1a765e41

(this sample)

  
Delivery method
Distributed via web download

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