MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7. 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 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7
SHA3-384 hash: b448c164fa520accfff3d361190cbad8d29aa59acb8947431b93a3a93b19d086770df61ecdd7ac8371415db5eec4671c
SHA1 hash: 437b5642d552375026913c256f6377a71d1f44e0
MD5 hash: e5336c0a6148535e26bfb7d943c3727e
humanhash: solar-bacon-ink-pluto
File name:3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7
Download: download sample
Signature Stop
Create hunting rule
File size:744'448 bytes
First seen:2021-09-30 12:12:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1b0c9928ebc845bd66569c85cdb994cb (1 x ArkeiStealer, 1 x Formbook, 1 x Stop)
ssdeep 12288:nTVkjHyoRevJAamKZowCOaM+nRDgsL1kCqCVrruOvMLZvSQdGPObaxxo4fyfII1/:T4SqevJ4CDaBqs1Jq4riZqqG8mVI1
Threatray 750 similar samples on MalwareBazaar
TLSH T10AF41211B101C3BAC749803D7826CABCA61CB6ADAFF4B1331F9852DE59B51E37E15728
File icon (PE):PE icon
dhash icon 4839b234e8c38890 (121 x RaccoonStealer, 54 x RedLineStealer, 51 x ArkeiStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://23.88.108.1/ https://threatfox.abuse.ch/ioc/228179/

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7
Verdict:
Suspicious activity
Analysis date:
2021-09-30 22:47:40 UTC
Tags:
installer
Link:
https://app.any.run/tasks/585afe74-0659-4496-8606-fa943ed32ffd

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/193543/
Detection(s):
Win.Packed.Generic-9897548-0
Create hunting rule

Win.Packed.Filerepmetagen-9897698-0
Create hunting rule

Win.Packed.Fragtor-9897699-0
Create hunting rule

Win.Packed.Fragtor-9898137-0
Create hunting rule

Win.Packed.Generic-9898145-0
Create hunting rule

Win.Packed.Fragtor-9898153-0
Create hunting rule

Win.Packed.Generic-9898156-0
Create hunting rule

Win.Packed.Generic-9898162-0
Create hunting rule

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
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1ab4ff5-3b38-4fb5-9088-46718f5d03ea
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/862197
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 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: 494629 Sample: pRyr7WvC1o Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for submitted file 2->54 56 Found ransom note / readme 2->56 58 Yara detected Djvu Ransomware 2->58 60 Machine Learning detection for sample 2->60 8 pRyr7WvC1o.exe 2->8         started        11 pRyr7WvC1o.exe 2->11         started        13 pRyr7WvC1o.exe 2->13         started        15 pRyr7WvC1o.exe 2->15         started        process3 signatures4 64 Detected unpacking (changes PE section rights) 8->64 66 Detected unpacking (overwrites its own PE header) 8->66 68 Contains functionality to inject code into remote processes 8->68 17 pRyr7WvC1o.exe 1 16 8->17         started        70 Injects a PE file into a foreign processes 11->70 21 pRyr7WvC1o.exe 1 18 11->21         started        72 Multi AV Scanner detection for dropped file 13->72 74 Machine Learning detection for dropped file 13->74 24 pRyr7WvC1o.exe 12 13->24         started        26 pRyr7WvC1o.exe 15->26         started        process5 dnsIp6 48 api.2ip.ua 77.123.139.190, 443, 49705, 49706 VOLIA-ASUA Ukraine 17->48 36 C:\Users\user\AppData\...\pRyr7WvC1o.exe, PE32 17->36 dropped 38 C:\Users\...\pRyr7WvC1o.exe:Zone.Identifier, ASCII 17->38 dropped 28 pRyr7WvC1o.exe 17->28         started        31 icacls.exe 17->31         started        50 securebiz.org 190.141.221.166, 49709, 80 CableOndaPA Panama 21->50 40 C:\_readme.txt, ASCII 21->40 dropped 42 C:\Users\user\...\pRyr7WvC1o.exe.rigd (copy), data 21->42 dropped 44 C:\Users\user\Desktop\pRyr7WvC1o.exe, data 21->44 dropped 46 3 other malicious files 21->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 21->62 file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 pRyr7WvC1o.exe 12 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-09-29 08:50:30 UTC
AV detection:
30 of 45 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=huiylkxlih2zesnyz2xgg3wejbuxensflwwpwb73ri2gb3qx3k3q._file
Verdict:
malicious
Similar samples:
037e3a20ff7b6e369c768c95e9ea976b1e2fe80a5d4625c569a3bb98aa467a35
Stop
0a644c28fba57280abf3226ace12e8aa12f284f78485423b7c358ed29f515167
Stop
26967c1b5ff6848501ddf70985408b7736835286f788f663e086f34aecd6bfb1
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35be1a97d304ab4b045cb2e608c22dd2c7efb4df1e86cdd4e0b780bdf1c21838
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47d6022eaad843e702e839fd027870f7089bd19ba6548e36bf5e82b5c70a2f23
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804b9c87f98a32101b51f26c221e589bc80350b69c163abfab2de64f7e9b3e72
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99ee06f5fb4f0aa90678d6a6405d2d01138bcd128c6d2aabecda07c110361ba2
Stop
c3ade1984ff9031d528776a359b03e496cecb26c332bd826465eef2da60f41b1
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da7263588f95278e91f5ddb2898d18735d6c6abfa1e872d1358aafa4e044adca
Stop
e5a536df45ce59beb16c30352f72f0d84af2f478b3fb1e090ff53741f946dfdc
Stop
+ 740 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210930-pdq5jaheh3/
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
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
Unpacked files
SH256 hash:
6e4e83491223920a8bd8b0689f63ad2fda8d2c5fe9b1bd038769e39fcdd9b82c
MD5 hash:
560682b97921987fdf11278fd6ba7a6f
SHA1 hash:
6635d97ed6fcbe778a48d426f3b42341fe6a97c9
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/007ca66b-b0db-43bd-9e92-d57b8a580de2/
Parent samples :
d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384
23ef3edf3fc3bd322e8b1a4199c0b832c89b5f2d9fb0b218168110bad22c6bf5
ab9a2ac16788b95a8f0bd270cac235e4aaba83a1772396bc97fff0925e7c704c
2cdac05088d51a5ebb646fbba3c305ec14c950dc1ce3b3d51da5aa6584774429
30089a78356dd0f6801c73349dbcbdde0e5e8b6baed69a926066ddac97d9eea4
3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7
2cca6cadf1f67790d0234a75ec54a6670f0503e0283b223ca04a4b9e70e97576
5f577398b47d02dbb683a2ee2a32ffc49326f3874971791646fefdb02d6796f1
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4
SH256 hash:
3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7
MD5 hash:
e5336c0a6148535e26bfb7d943c3727e
SHA1 hash:
437b5642d552375026913c256f6377a71d1f44e0
Link:
https://www.unpac.me/results/007ca66b-b0db-43bd-9e92-d57b8a580de2/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3d1185aaeb41/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/3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7

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:SUSP_XORed_URL_in_EXE_RID2E46
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:Detects win.stop.

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/193543/

Comments