MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944. 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


Stop


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944
SHA3-384 hash: 0e1a09f63683c7b5df4b5f5db012532c5b82663110af59a1344b317826f75946add9475ca4e76fbbce437cefda981673
SHA1 hash: 77629d77891b0e995cbd577c7835d7465e5f8ff7
MD5 hash: c2f2834b216ef788b6c0568d0267223c
humanhash: robin-early-jupiter-cola
File name:c2f2834b216ef788b6c0568d0267223c.exe
Download: download sample
Signature Stop
Create hunting rule
File size:730'112 bytes
First seen:2021-03-19 07:50:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fadb03432906cb0b1086222508551a23 (2 x Stop, 1 x RedLineStealer)
ssdeep 12288:AgzgR1xvd+wlVC4/YOJtn7DX+JL8gycwAwF7sGC9rrvnwHf8FgYT2b1px8WrE:AgzQzV+wzC7OJtnOL8gEAUBkm8ST7f
Threatray 35 similar samples on MalwareBazaar
TLSH 78F4120072A5C473E0560AFA8456C6B52931FC71BF259AD777913B2E1E21AE0CF36A4B
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c2f2834b216ef788b6c0568d0267223c.exe
Verdict:
Malicious activity
Analysis date:
2021-03-19 07:52:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/49bddde0-977b-4587-8d02-5290cfc756d9

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/125603/
Detection(s):
SecuriteInfo.com.Malware.PDB-11.UNOFFICIAL
Create hunting rule

Win.Malware.Ulise-9844930-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a UDP request
Deleting a recently created file
Sending an HTTP GET request
Creating a window
Creating a process from 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.
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f076a76-23d8-4417-97cd-620866304ae7
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/645810
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
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 Bitcoin Wallet information
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
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 371865 Sample: PiS1Flv8Al.exe Startdate: 19/03/2021 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->68 70 Antivirus detection for URL or domain 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 6 other signatures 2->74 9 PiS1Flv8Al.exe 1 18 2->9         started        14 PiS1Flv8Al.exe 13 2->14         started        16 PiS1Flv8Al.exe 2->16         started        18 PiS1Flv8Al.exe 2->18         started        process3 dnsIp4 62 api.2ip.ua 77.123.139.190, 443, 49700, 49701 VOLIA-ASUA Ukraine 9->62 48 C:\Users\...\PiS1Flv8Al.exe:Zone.Identifier, ASCII 9->48 dropped 78 Detected unpacking (changes PE section rights) 9->78 80 Detected unpacking (overwrites its own PE header) 9->80 82 Writes many files with high entropy 9->82 20 PiS1Flv8Al.exe 1 23 9->20         started        25 icacls.exe 9->25         started        file5 signatures6 process7 dnsIp8 58 vnjt.top 34.78.181.3, 49702, 49703, 49704 GOOGLEUS United States 20->58 60 api.2ip.ua 20->60 40 C:\...\FileSync.LocalizedResources.dll.mui, DOS 20->40 dropped 42 C:\...\acm_low_disk_space_online_only.svg, DOS 20->42 dropped 44 C:\...\FileSync.LocalizedResources.dll.mui, DOS 20->44 dropped 46 315 other files (302 malicious) 20->46 dropped 76 Modifies existing user documents (likely ransomware behavior) 20->76 27 5.exe 86 20->27         started        file9 signatures10 process11 dnsIp12 64 yourpro.top 94.177.123.246, 49715, 80 NCONNECT-ASRU Netherlands 27->64 66 api.faceit.com 104.17.62.50, 443, 49713 CLOUDFLARENETUS United States 27->66 50 C:\Users\user\AppData\...\softokn3[1].dll, PE32 27->50 dropped 52 C:\Users\user\AppData\...\freebl3[1].dll, PE32 27->52 dropped 54 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 27->54 dropped 56 9 other files (none is malicious) 27->56 dropped 84 Detected unpacking (changes PE section rights) 27->84 86 Detected unpacking (overwrites its own PE header) 27->86 88 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->88 90 6 other signatures 27->90 32 cmd.exe 27->32         started        file13 signatures14 process15 process16 34 conhost.exe 32->34         started        36 taskkill.exe 32->36         started        38 timeout.exe 32->38         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2021-03-18 13:17:06 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbkqc3qnqlcxwwgncjxsnnfy6tnocra7aam33ksciuxicxysrfca._file
Verdict:
malicious
Similar samples:
20ebe8ff1da6f2023a43b3e3cbe14479961699f9dec0324f72070fa2b275eaae
Stop
5fba5879d38cea0fd0f956b583c7b5ecd0105928d26315935d4f7a8f9797d885
Stop
6ed8e078433a7e7938f2084f83a640d707708ac99a246b31736bd22327664668
Stop
744ec52f480cb86b7e84fbbfe4b1880f57219dae5683b746f88d6ee4ba394751
Stop
894efce31cc70924a097c89b02eb544cb1303268b569f39ccbfba492d6c2b166
Stop
9feb26b9550dbf46719374757468d95b6882c00fd3ca65a02e9edf2854e900a9
Stop
aa8c5d42026ac9a483f1984f762441d7f5805ef914819b473f9e15353995cc99
Stop
e81e9dfe89a98449992b1ca9e4acb9905b606dc3de186b9de94241bde3b230be
Stop
e8bcd430d48c430ced6992340cbce21ffc1a4d8cc60e6255b76870d33a5ea6b9
Stop
fff57207bf2d6326bc580cd9788e36ec52437e472d26d49c015685525415d7ee
Stop
+ 25 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery persistence spyware stealer
Link:
https://tria.ge/reports/210319-35bp99ff1n/
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
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
Executes dropped EXE
Vidar
Unpacked files
SH256 hash:
c98da632cfb4a0cb821715df927c8de23de2eadb20d69385332f28dc35840a29
MD5 hash:
97570c4771d094508a2869fe31ca6c4b
SHA1 hash:
f4df64456a5eaf3919111c3f78fa4a58b1907883
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/b57b60d5-899f-4cd7-8e98-bcddc597e703/
Parent samples :
b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944
c1ae256c64e09895b3b81fc03d85390eb233363c5acfb547e3879f46f80d04a8
SH256 hash:
b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944
MD5 hash:
c2f2834b216ef788b6c0568d0267223c
SHA1 hash:
77629d77891b0e995cbd577c7835d7465e5f8ff7
Link:
https://www.unpac.me/results/b57b60d5-899f-4cd7-8e98-bcddc597e703/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Azorult
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

Stop

Executable exe b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1075487/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/125603/

Comments