MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff5bf2e37ef46ff9d905582aaccdea4fa9c3df9870c5829086de281e84b4fb36. 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: 12


Intelligence 12 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff5bf2e37ef46ff9d905582aaccdea4fa9c3df9870c5829086de281e84b4fb36
SHA3-384 hash: f5a06b28f610e233548ed58bb729b30a3ae26b676f4ae16a644bae4be334dc327bcf161f53a2f7b200d5d099c583bb89
SHA1 hash: 6f53851c8529605f19a29aa12099600d73c4d444
MD5 hash: ffe53be3b68e2149f19c5f8cfb495c53
humanhash: oven-jig-mike-moon
File name:FFE53BE3B68E2149F19C5F8CFB495C53.exe
Download: download sample
Signature Stop
Create hunting rule
File size:805'376 bytes
First seen:2021-09-23 16:25:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2d1e5013dd6b871ca263ffc72a0f89a9 (2 x RaccoonStealer, 2 x Smoke Loader, 1 x Stop)
ssdeep 24576:MJLUzD1R9hDdoGOLcHvlZGPNSxU9gLWk+:j1LtXAqwVSK
Threatray 700 similar samples on MalwareBazaar
TLSH T113050130A690C035F1B321F8557693ACB93D3AB16B3590CB93D62BF956386E4AC30797
dhash icon ead8ac9cc6e68ea0 (38 x RaccoonStealer, 18 x RedLineStealer, 12 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://159.69.203.58/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://159.69.203.58/ https://threatfox.abuse.ch/ioc/225251/

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FFE53BE3B68E2149F19C5F8CFB495C53.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-23 16:28:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/66e897a7-63da-4afc-90f8-8b16961cc7a1

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/190834/
Detection(s):
Win.Packed.Generic-9888421-0
Create hunting rule

Win.Packed.Generic-9888441-0
Create hunting rule

Win.Packed.Generic-9888502-0
Create hunting rule

Win.Packed.Generic-9888541-0
Create hunting rule

Win.Dropper.Fragtor-9888544-0
Create hunting rule

Win.Packed.Generic-9888595-0
Create hunting rule

Win.Packed.Raccoon-9888451-1
Create hunting rule

Win.Packed.Raccoon-9888527-1
Create hunting rule

Win.Malware.Fragtor-9890823-0
Create hunting rule

Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ae5dc533-48ad-449e-b353-1abf7a020fba
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856723
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 ransom note / readme
Injects a PE file into a foreign processes
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)
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 dnsIp2 2 Behavior Graph ID: 489155 Sample: qXf7bVIXNA.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 62 api.2ip.ua 2->62 78 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->78 80 Multi AV Scanner detection for domain / URL 2->80 82 Antivirus detection for URL or domain 2->82 84 8 other signatures 2->84 11 qXf7bVIXNA.exe 2->11         started        14 qXf7bVIXNA.exe 2->14         started        16 qXf7bVIXNA.exe 2->16         started        signatures3 process4 signatures5 100 Detected unpacking (changes PE section rights) 11->100 102 Detected unpacking (overwrites its own PE header) 11->102 104 Contains functionality to inject code into remote processes 11->104 106 Writes many files with high entropy 11->106 18 qXf7bVIXNA.exe 1 16 11->18         started        108 Injects a PE file into a foreign processes 14->108 22 qXf7bVIXNA.exe 12 14->22         started        24 qXf7bVIXNA.exe 16->24         started        process6 dnsIp7 64 api.2ip.ua 77.123.139.190, 443, 49750, 49751 VOLIA-ASUA Ukraine 18->64 52 C:\Users\...\qXf7bVIXNA.exe:Zone.Identifier, ASCII 18->52 dropped 26 qXf7bVIXNA.exe 18->26         started        29 icacls.exe 18->29         started        file8 process9 signatures10 98 Injects a PE file into a foreign processes 26->98 31 qXf7bVIXNA.exe 1 20 26->31         started        process11 dnsIp12 70 securebiz.org 201.124.70.40, 49752, 80 UninetSAdeCVMX Mexico 31->70 72 astdg.top 31->72 74 api.2ip.ua 31->74 44 C:\Users\user\AppData\Local\...\build2.exe, PE32 31->44 dropped 46 C:\Users\user\AppData\Local\...\Settings.ft, DOS 31->46 dropped 48 C:\Users\user\AppData\...\settingsglobals.txt, DOS 31->48 dropped 50 369 other files (357 malicious) 31->50 dropped 76 Modifies existing user documents (likely ransomware behavior) 31->76 36 build2.exe 31->36         started        file13 signatures14 process15 signatures16 86 Detected unpacking (changes PE section rights) 36->86 88 Detected unpacking (overwrites its own PE header) 36->88 90 Injects a PE file into a foreign processes 36->90 39 build2.exe 36->39         started        process17 dnsIp18 66 159.69.203.58, 49756, 80 HETZNER-ASDE Germany 39->66 68 mas.to 88.99.75.82, 443, 49755 HETZNER-ASDE Germany 39->68 54 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 39->54 dropped 56 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 39->56 dropped 58 C:\Users\user\AppData\...\mozglue[1].dll, PE32 39->58 dropped 60 9 other files (none is malicious) 39->60 dropped 92 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 39->92 94 Tries to harvest and steal browser information (history, passwords, etc) 39->94 96 Tries to steal Crypto Currency Wallets 39->96 file19 signatures20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff5bf2e37ef46ff9d905582aaccdea4fa9c3df9870c5829086de281e84b4fb36/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-08-25 11:08:23 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=75n7fy366rx7twiflavkztpkj6u4hx4yodcyfeeg3yub5bfu7m3a._file
Verdict:
malicious
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037e3a20ff7b6e369c768c95e9ea976b1e2fe80a5d4625c569a3bb98aa467a35
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804b9c87f98a32101b51f26c221e589bc80350b69c163abfab2de64f7e9b3e72
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99ee06f5fb4f0aa90678d6a6405d2d01138bcd128c6d2aabecda07c110361ba2
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c3ade1984ff9031d528776a359b03e496cecb26c332bd826465eef2da60f41b1
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da7263588f95278e91f5ddb2898d18735d6c6abfa1e872d1358aafa4e044adca
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e5a536df45ce59beb16c30352f72f0d84af2f478b3fb1e090ff53741f946dfdc
Stop
+ 690 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/210923-txh1gsegh3/
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
Modifies extensions of user files
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
Unpacked files
SH256 hash:
e262e9ebcd2063c95672d7903c2d737903043c646211e2c65581b24fe06bac77
MD5 hash:
c64898970ef5c32165ea1a4b5a6a470a
SHA1 hash:
31469dd38f4741e7cb883d5f683a1a26b497d441
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/612f85bf-c0d8-4b8b-a4e0-203fe2eb6a40/
Parent samples :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 hash:
ff5bf2e37ef46ff9d905582aaccdea4fa9c3df9870c5829086de281e84b4fb36
MD5 hash:
ffe53be3b68e2149f19c5f8cfb495c53
SHA1 hash:
6f53851c8529605f19a29aa12099600d73c4d444
Link:
https://www.unpac.me/results/612f85bf-c0d8-4b8b-a4e0-203fe2eb6a40/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ff5bf2e37ef4/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/ff5bf2e37ef46ff9d905582aaccdea4fa9c3df9870c5829086de281e84b4fb36

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/190834/

Comments