MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f1d4edb0181437d5c6e270977eec68d3daf4bd63edbc4c29e691573ca2ed9e6. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f1d4edb0181437d5c6e270977eec68d3daf4bd63edbc4c29e691573ca2ed9e6
SHA3-384 hash: 25a617d5180a7bc247bea341e2174c7783858a4770803196ce367b7cbcb97a44ff5454bed277d224dd36951230ab4039
SHA1 hash: 9e77fe61ddeecd0dc26a77c3b20f72a03f9cfef2
MD5 hash: eaf7871769ce66ba1c864aa5cc02eba4
humanhash: jersey-solar-vermont-florida
File name:5f1d4edb0181437d5c6e270977eec68d3daf4bd63edbc4c29e691573ca2ed9e6
Download: download sample
Signature Stop
Create hunting rule
File size:825'856 bytes
First seen:2021-09-29 07:46:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash cc55eae86408874fd9cf40c59e028154 (3 x Stop, 1 x RaccoonStealer, 1 x ArkeiStealer)
ssdeep 24576:9HRyi64CMcm8cLVbJ3bQluI4il6vDL1x:9HOfm11lbQailiXT
Threatray 736 similar samples on MalwareBazaar
TLSH T15905022073D0C035F8FB52BA59BED378692DBAB1A72841CF92D016EA5674AF49C30357
File icon (PE):PE icon
dhash icon aad8ac9cc6a68ee0 (34 x RedLineStealer, 14 x RaccoonStealer, 11 x Smoke Loader)
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://23.88.111.187/ https://threatfox.abuse.ch/ioc/227508/

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/192965/
Detection(s):
Win.Ransomware.Ulise-9897604-0
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c20a1ed-b6f0-40ed-8774-f132aae36282
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/860830
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 493368 Sample: MYJR0Ln7E8 Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 38 79.124.78.139, 49761, 80 VERDINABZ Bulgaria 2->38 40 mas.to 88.99.75.82, 443, 49760 HETZNER-ASDE Germany 2->40 42 2 other IPs or domains 2->42 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Antivirus detection for URL or domain 2->58 60 6 other signatures 2->60 9 MYJR0Ln7E8.exe 2->9         started        12 MYJR0Ln7E8.exe 2->12         started        signatures3 process4 signatures5 62 Detected unpacking (overwrites its own PE header) 9->62 64 Contains functionality to inject code into remote processes 9->64 66 Writes many files with high entropy 9->66 14 MYJR0Ln7E8.exe 1 16 9->14         started        68 Sample uses process hollowing technique 12->68 70 Injects a PE file into a foreign processes 12->70 process6 dnsIp7 50 api.2ip.ua 77.123.139.190, 443, 49751, 49752 VOLIA-ASUA Ukraine 14->50 36 C:\Users\...\MYJR0Ln7E8.exe:Zone.Identifier, ASCII 14->36 dropped 18 MYJR0Ln7E8.exe 14->18         started        21 icacls.exe 14->21         started        file8 process9 signatures10 52 Injects a PE file into a foreign processes 18->52 23 MYJR0Ln7E8.exe 1 24 18->23         started        process11 dnsIp12 44 securebiz.org 222.236.49.124, 49754, 49755, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 23->44 46 znpst.top 186.6.242.231, 49753, 80 CompaniaDominicanadeTelefonosSADO Dominican Republic 23->46 48 api.2ip.ua 23->48 28 C:\Users\user\AppData\Local\...\js[1].js, DOS 23->28 dropped 30 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 23->30 dropped 32 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 23->32 dropped 34 219 other files (199 malicious) 23->34 dropped 72 Infects executable files (exe, dll, sys, html) 23->72 74 Modifies existing user documents (likely ransomware behavior) 23->74 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f1d4edb0181437d5c6e270977eec68d3daf4bd63edbc4c29e691573ca2ed9e6/
Threat name:
Win32.Trojan.Raccrypt
Create hunting rule
Status:
Malicious
First seen:
2021-09-28 14:51:08 UTC
AV detection:
29 of 45 (64.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l4ou5wybqfbx2xdoe4exp3wgru626s6wh3n4jqu6nekxhsro3hta._file
Verdict:
malicious
Similar samples:
20ebe8ff1da6f2023a43b3e3cbe14479961699f9dec0324f72070fa2b275eaae
Stop
496b5885ff8f521c91ca037338e188ea0374bf86816d0c804d3010fd2f5fec38
Stop
9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
Stop
9feb26b9550dbf46719374757468d95b6882c00fd3ca65a02e9edf2854e900a9
Stop
b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944
Stop
bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124
Stop
e81e9dfe89a98449992b1ca9e4acb9905b606dc3de186b9de94241bde3b230be
Stop
e8bcd430d48c430ced6992340cbce21ffc1a4d8cc60e6255b76870d33a5ea6b9
Stop
ff9e059a789e94573fb32a918657d5c5c59b5395fab873cbcec7b1543435fe93
Stop
+ 726 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/210929-jmjtxsebc4/
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:
5f2bb7899383d9e75afd1e4e6bb4b77281c35944598c865c2018563f662c00ef
MD5 hash:
1f4344483a27a452ef55e32870e05ed6
SHA1 hash:
032a3a8d46d823cd1405f2227df653178908f94a
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/3bffb270-6bcd-4d83-9ee4-ae736fdad51f/
Parent samples :
55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d
28987da061d42bee399b3cafd876c34826eea824758ae23ead826fe971cb978f
96888e3f86a786d67fe5d2df9f5d195721ec70de964fb1467a263eaa2a9c80bd
1662a370129d1175bb6064da3b8080158ebe848ab34e433c67e93d4f3481b148
5f1d4edb0181437d5c6e270977eec68d3daf4bd63edbc4c29e691573ca2ed9e6
d34b0333afa76522d268ba1886698f7f98550fa0da5cae603486127bae326c59
d58fb2c3a56ea6bce3e4d7979a1e6860db641e53a4821005ac4a58cf447ce876
795aa5cf33f918f0d642b2e47c67ef031e8297834be19030b7eb2c19700104a8
SH256 hash:
5f1d4edb0181437d5c6e270977eec68d3daf4bd63edbc4c29e691573ca2ed9e6
MD5 hash:
eaf7871769ce66ba1c864aa5cc02eba4
SHA1 hash:
9e77fe61ddeecd0dc26a77c3b20f72a03f9cfef2
Link:
https://www.unpac.me/results/3bffb270-6bcd-4d83-9ee4-ae736fdad51f/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5f1d4edb0181/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/5f1d4edb0181437d5c6e270977eec68d3daf4bd63edbc4c29e691573ca2ed9e6

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
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/192965/

Comments