MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3. 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


VoidCrypt


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3
SHA3-384 hash: 500331f414744c9cc9d4274c110cba3b6f8f4f7c8bee0839b96b4b33ed71e4a007a3728cff0272bccc0a9adb3d794184
SHA1 hash: 2b05bc9c9a14e3f9db8e758b2f5fa060857499bf
MD5 hash: bfed6debcd8c3dbf8ea21655247ed3f0
humanhash: five-jupiter-berlin-william
File name:33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3
Download: download sample
Signature VoidCrypt
Create hunting rule
File size:1'017'856 bytes
First seen:2021-09-09 11:57:27 UTC
Last seen:2023-05-08 17:49:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1e0163f18068f24424ba312e38f61f2e (2 x VoidCrypt)
ssdeep 24576:+Vk0mL0+1snLNM6Z8gQbHDGq3ixHsWyiFhv/C:+VBvLO6KXGFZRyiFh3C
Threatray 8 similar samples on MalwareBazaar
TLSH T1DD257C203643E477D9A146B14E38EEAF106EBD150B755ADBB3C82F2E59701C21E33A5B
Reporter JAMESWT_WT
Tags:exe VoidCrypt

Intelligence

File Origin
# of uploads :
4
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
lilmoon17766@criptext.exe
Verdict:
Malicious activity
Analysis date:
2020-10-09 16:04:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2a9f07bf-8a16-47a1-8c77-207945a8ca38

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/186613/
Detection(s):
Win.Ransomware.Ouroboros-9848778-0
Create hunting rule

Win.Ransomware.Ouroboros-9848779-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Launching the process to change network settings
Launching a service
Launching the process to change the firewall settings
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Changing a file
Modifying an executable file
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Creating a file in the Program Files directory
Deleting a recently created file
Sending a UDP request
Launching the process to interact with network services
Enabling autorun for a service
Creating a file in the mass storage device
Encrypting user's files
Malware family:
VoidCrypt Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd598f49-eba1-4d99-bd76-91e6489a909f
Result
Threat name:
Voidcrypt
Create hunting rule
Detection:
malicious
Classification:
rans.spre.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848117
Signature
Antivirus / Scanner detection for submitted sample
Creates files in the recycle bin to hide itself
Disables security and backup related services
Disables the windows firewall (over ALG)
Drops executable to a common third party application directory
Infects executable files (exe, dll, sys, html)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Sigma detected: WannaCry Ransomware
Uses bcdedit to modify the Windows boot settings
Uses netsh to modify the Windows network and firewall settings
Writes many files with high entropy
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 480550 Sample: hWEV7WHuSm Startdate: 09/09/2021 Architecture: WINDOWS Score: 100 81 Sigma detected: WannaCry Ransomware 2->81 83 Antivirus / Scanner detection for submitted sample 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 Yara detected Voidcrypt Ransomware 2->87 9 hWEV7WHuSm.exe 66 2->9         started        process3 dnsIp4 75 sfml-dev.org 78.47.82.133, 49736, 80 HETZNER-ASDE Germany 9->75 77 172.98.203.175, 49737, 80 DACEN-2US United States 9->77 79 3 other IPs or domains 9->79 67 C:\Users\user\...\mirroring_hangouts.js, DOS 9->67 dropped 69 C:\Users\user\AppData\...\craw_background.js, COM 9->69 dropped 71 IconCacheRdr65536....A86SW52QULXC].Spade, DOS 9->71 dropped 73 174 other files (173 malicious) 9->73 dropped 91 Creates files in the recycle bin to hide itself 9->91 93 Uses bcdedit to modify the Windows boot settings 9->93 95 Modifies the windows firewall 9->95 97 5 other signatures 9->97 14 cmd.exe 1 9->14         started        16 cmd.exe 1 9->16         started        18 cmd.exe 9->18         started        20 11 other processes 9->20 file5 signatures6 process7 process8 22 net.exe 1 14->22         started        25 conhost.exe 14->25         started        27 net.exe 1 16->27         started        35 2 other processes 16->35 37 3 other processes 18->37 29 net.exe 1 20->29         started        31 net.exe 1 20->31         started        33 net.exe 1 20->33         started        39 10 other processes 20->39 signatures9 89 Uses netsh to modify the Windows network and firewall settings 22->89 41 net.exe 22->41         started        43 net1.exe 1 22->43         started        45 conhost.exe 22->45         started        47 net1.exe 1 27->47         started        49 net1.exe 1 29->49         started        51 net1.exe 1 31->51         started        53 net1.exe 1 33->53         started        55 RuntimeBroker.exe 37->55 injected 57 net1.exe 39->57         started        process10 process11 59 net1.exe 41->59         started        61 conhost.exe 41->61         started        63 netsh.exe 41->63         started        65 net1.exe 47->65         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3/
Threat name:
Win32.Ransomware.Ouroboros
Create hunting rule
Status:
Malicious
First seen:
2020-09-04 07:17:34 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
162c90e6e8a1b019ed7272b16b2307cbbdb0bac09acec116fb6c3619c86794c4
VoidCrypt
318c6717d3881cbc9b1f24325a85e79d5c5768a03387dfb2cf605638a4b45056
VoidCrypt
353086a213c6868d07ef24f82ae4786d2f4a1af67530e925a7cf53a49ea3964f
VoidCrypt
49921fa466e1dc65ea6c037726015a69c634fc1631a2e379bfb3d7cf7644bcad
VoidCrypt
581122114ad28f404b2cc4f8df5d77b6ed447f8f26f862960bb0181776bfacd9
VoidCrypt
91a66df8eaf8bc989c0e1a296b4bc5c578ceb8bcaf3d256d609480535def3da9
VoidCrypt
a6f33427a356dca0420466bcc3283592e87caf4c8224c7d50819f69c71edd461
VoidCrypt
cd19340138f9eab48d20b3bf0a9dc6b4a6908d14cd48511ccefd6dba9e84705f
VoidCrypt
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:ouroboros family:xmrig evasion miner ransomware spyware stealer
Link:
https://tria.ge/reports/210909-n47pjabcdq/
Behaviour
NTFS ADS
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Drops desktop.ini file(s)
Looks up external IP address via web service
Drops startup file
Reads user/profile data of web browsers
Drops file in Drivers directory
Modifies Windows Firewall
Modifies extensions of user files
Ouroboros/Zeropadypt
xmrig
Unpacked files
SH256 hash:
33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3
MD5 hash:
bfed6debcd8c3dbf8ea21655247ed3f0
SHA1 hash:
2b05bc9c9a14e3f9db8e758b2f5fa060857499bf
Detections:
win_void_auto
Create hunting rule
Link:
https://www.unpac.me/results/42e7ccd5-0265-4910-9c75-fd893fec4753/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/33894a6f9df3/report/overview.html
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/33894a6f9df34bfdd9408bf6771ddc3ce32a315287b228a3bef4753e699fd1d3

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:win_void_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.void.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/186613/

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