MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b
SHA3-384 hash: d6d82987adbb6a9e7a84066a5b82d28eeb29a40960b53584a3284da1481f14dd874a2be78f8c99fbaa765ccea60eb854
SHA1 hash: 217fcb39dd0fdcabb741b80a6a97ccbd9bb17e67
MD5 hash: 96251661dfab7c52e2eb1a6639c15b77
humanhash: winner-steak-winner-winter
File name:da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b
Download: download sample
Signature Stop
Create hunting rule
File size:701'440 bytes
First seen:2021-09-15 07:35:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash aa21a6d00a5d2896042e00aa2e960393 (11 x RaccoonStealer, 1 x Tofsee, 1 x DanaBot)
ssdeep 12288:u6IjwMTgdJ8qEuf1deMm4HDvyFeryWj6aNXklUYLIgc:TSe8DuvePIveWm+XklUiI
Threatray 652 similar samples on MalwareBazaar
TLSH T1ECE42211B271D8B6C4D30DB0C5ADA3712E6B7961DA75A1872B3C1B6F3D72580AA3E703
dhash icon 4839b2b0e8c38890 (105 x RaccoonStealer, 38 x Smoke Loader, 33 x RedLineStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b
Verdict:
Suspicious activity
Analysis date:
2021-09-15 09:45:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a3f89f0a-ec9a-4e59-91db-9d7311eecc64

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/188030/
Detection(s):
Win.Dropper.Fragtor-9889202-0
Create hunting rule

Win.Packed.Generic-9889238-0
Create hunting rule

Win.Dropper.Fragtor-9889385-0
Create hunting rule

Win.Packed.Filerepmalware-9890038-0
Create hunting rule

Win.Packed.Fragtor-9890406-0
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 to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/617516299a5a1e91c5d20291/reports/682e732d-ec14-4478-9ea2-fde78041e423/overview
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0c1a7d65-7aca-49fd-acb9-c5d225e665e0
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/851413
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 many strings related to Crypto-Wallets (likely being stolen)
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 submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 483845 Sample: GQgKZZ3hzu Startdate: 15/09/2021 Architecture: WINDOWS Score: 100 77 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->77 79 Antivirus detection for URL or domain 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 6 other signatures 2->83 10 GQgKZZ3hzu.exe 2->10         started        13 GQgKZZ3hzu.exe 2->13         started        15 GQgKZZ3hzu.exe 2->15         started        17 GQgKZZ3hzu.exe 2->17         started        process3 signatures4 95 Detected unpacking (changes PE section rights) 10->95 97 Detected unpacking (overwrites its own PE header) 10->97 99 Contains functionality to inject code into remote processes 10->99 101 Writes many files with high entropy 10->101 19 GQgKZZ3hzu.exe 1 16 10->19         started        103 Injects a PE file into a foreign processes 13->103 23 GQgKZZ3hzu.exe 12 13->23         started        25 GQgKZZ3hzu.exe 15->25         started        27 GQgKZZ3hzu.exe 17->27         started        process5 dnsIp6 71 api.2ip.ua 77.123.139.190, 443, 49735, 49736 VOLIA-ASUA Ukraine 19->71 55 C:\Users\...behaviorgraphQgKZZ3hzu.exe:Zone.Identifier, ASCII 19->55 dropped 29 GQgKZZ3hzu.exe 19->29         started        32 icacls.exe 19->32         started        file7 process8 signatures9 111 Injects a PE file into a foreign processes 29->111 34 GQgKZZ3hzu.exe 1 20 29->34         started        process10 dnsIp11 65 securebiz.org 37.34.248.24, 49737, 80 GPRS-ASZAINKW Kuwait 34->65 67 192.168.2.1 unknown unknown 34->67 69 2 other IPs or domains 34->69 47 C:\Users\user\...\UserCache.bin.orkf (copy), COM 34->47 dropped 49 APASixthEditionOff...ine.xsl.orkf (copy), COM 34->49 dropped 51 C:\Users\...\APASixthEditionOfficeOnline.xsl, COM 34->51 dropped 53 358 other files (342 malicious) 34->53 dropped 85 Modifies existing user documents (likely ransomware behavior) 34->85 39 build2.exe 34->39         started        file12 signatures13 process14 signatures15 87 Detected unpacking (changes PE section rights) 39->87 89 Detected unpacking (overwrites its own PE header) 39->89 91 Machine Learning detection for dropped file 39->91 93 Injects a PE file into a foreign processes 39->93 42 build2.exe 39->42         started        process16 dnsIp17 73 116.203.165.54, 49742, 80 HETZNER-ASDE Germany 42->73 75 dimonbk83.tumblr.com 74.114.154.22, 443, 49739 AUTOMATTICUS Canada 42->75 57 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 42->57 dropped 59 C:\Users\user\AppData\...\freebl3[1].dll, PE32 42->59 dropped 61 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 42->61 dropped 63 9 other files (none is malicious) 42->63 dropped 105 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->105 107 Tries to harvest and steal browser information (history, passwords, etc) 42->107 109 Tries to steal Crypto Currency Wallets 42->109 file18 signatures19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-08-29 11:51:03 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
36 of 45 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3kpvxiw3n454kxq5mhd5qjkarsr6fqupofoavxijnqq5xffohfvq._file
Verdict:
malicious
Similar samples:
20ebe8ff1da6f2023a43b3e3cbe14479961699f9dec0324f72070fa2b275eaae
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496b5885ff8f521c91ca037338e188ea0374bf86816d0c804d3010fd2f5fec38
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9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
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9feb26b9550dbf46719374757468d95b6882c00fd3ca65a02e9edf2854e900a9
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b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944
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bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124
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e81e9dfe89a98449992b1ca9e4acb9905b606dc3de186b9de94241bde3b230be
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e8bcd430d48c430ced6992340cbce21ffc1a4d8cc60e6255b76870d33a5ea6b9
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ff9e059a789e94573fb32a918657d5c5c59b5395fab873cbcec7b1543435fe93
Stop
+ 642 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Link:
https://tria.ge/reports/210915-je915sdbeq/
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
Reads user/profile data of web browsers
Loads dropped DLL
Modifies file permissions
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
Malware Config
C2 Extraction:
https://dimonbk83.tumblr.com/
Unpacked files
SH256 hash:
e262e9ebcd2063c95672d7903c2d737903043c646211e2c65581b24fe06bac77
MD5 hash:
c64898970ef5c32165ea1a4b5a6a470a
SHA1 hash:
31469dd38f4741e7cb883d5f683a1a26b497d441
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/039cfee2-2185-48bb-b62c-984a1d61ae44/
Parent samples :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 hash:
da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b
MD5 hash:
96251661dfab7c52e2eb1a6639c15b77
SHA1 hash:
217fcb39dd0fdcabb741b80a6a97ccbd9bb17e67
Link:
https://www.unpac.me/results/039cfee2-2185-48bb-b62c-984a1d61ae44/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/da9f5ba2db6f/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/da9f5ba2db6f3bc55e1d61c7d825408ca3e2c28f715c0add096c21db94ae396b

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_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload

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/188030/

Comments