MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a. 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: 17


Intelligence 17 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
SHA3-384 hash: be6758fb4a8b67c68a32432725ec06020143e0ecbdb01fea0853f7add34f4808b7ecaab099f779cc6d6a90f0f6a81284
SHA1 hash: f2f3c4fd6b0db9cbced2ece93f0fbb6982ec36fd
MD5 hash: 4df8e589bcc9458c58cd6e0c4ccf7289
humanhash: india-happy-hydrogen-minnesota
File name:8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a.exe
Download: download sample
Signature Stop
Create hunting rule
File size:723'456 bytes
First seen:2023-03-10 14:00:29 UTC
Last seen:2023-03-10 15:28:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1615c5feb33ca5d2b1f5d88317cbfd3a (1 x Amadey, 1 x RedLineStealer, 1 x Stop)
ssdeep 12288:miTsvu+9IP5qsrZXSvIb73kPB7UAibY4amaysXsfMxz3PAH:mjvmPssrZLk1DmaF7P
Threatray 295 similar samples on MalwareBazaar
TLSH T109F4121192E1E825E7E3EA32ED3EC1E02B2FB6A18D79775912188B3F1CB11D1C952753
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9292c4cac4d4c050 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a.exe
Verdict:
Malicious activity
Analysis date:
2023-03-10 14:01:04 UTC
Tags:
loader ransomware stop stealer
Link:
https://app.any.run/tasks/cd51c717-abc2-4946-837d-1ae12db03df4

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/373420/
Detection(s):
SecuriteInfo.com.Variant.Zusy.452500.28501.28336.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
DNS request
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed shell32.dll
Link:
https://www.filescan.io/uploads/640b38217975027880145b15/reports/12ea6988-7d07-40ed-aa8e-f94cdb30426d/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
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/6ad8fdb6-49a8-4587-8008-0d7d61dd11a2
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1191269
Signature
C2 URLs / IPs found in malware configuration
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
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Writes a notice file (html or txt) to demand a ransom
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 824145 Sample: oeyNFLv6vk.exe Startdate: 10/03/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 5 other signatures 2->62 8 oeyNFLv6vk.exe 2->8         started        11 oeyNFLv6vk.exe 2->11         started        13 oeyNFLv6vk.exe 2->13         started        15 oeyNFLv6vk.exe 2->15         started        process3 signatures4 66 Detected unpacking (changes PE section rights) 8->66 68 Detected unpacking (overwrites its own PE header) 8->68 70 Machine Learning detection for dropped file 8->70 72 Writes a notice file (html or txt) to demand a ransom 8->72 17 oeyNFLv6vk.exe 1 19 8->17         started        74 Injects a PE file into a foreign processes 11->74 22 oeyNFLv6vk.exe 1 16 11->22         started        24 oeyNFLv6vk.exe 12 13->24         started        26 oeyNFLv6vk.exe 15->26         started        process5 dnsIp6 48 zexeq.com 2.180.10.7, 49701, 80 TCIIR Iran (ISLAMIC Republic Of) 17->48 36 C:\Users\user\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\...\ChromeSetup.exe.cosw (copy), MS-DOS 17->38 dropped 40 C:\Users\user\Downloads\ChromeSetup.exe, MS-DOS 17->40 dropped 46 6 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 162.0.217.254, 443, 49697, 49698 ACPCA Canada 22->50 52 192.168.2.1 unknown unknown 22->52 42 C:\Users\user\AppData\...\oeyNFLv6vk.exe, PE32 22->42 dropped 44 C:\Users\...\oeyNFLv6vk.exe:Zone.Identifier, ASCII 22->44 dropped 28 oeyNFLv6vk.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 oeyNFLv6vk.exe 12 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a/
Threat name:
Win32.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2023-03-10 14:25:35 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rksrr5fzwqsyqbx7j2d4tozuf43i3lt2zcm3h3ln6iporrl6mm5a._file
Verdict:
malicious
Similar samples:
2a1884b9a7105976a3337292739cc3b803494c670ba49e974bda2a1b2fd39ff9
Stop
35a289dffa420556d0ae105d13b138fae7207dee808971fef93f642556b16e6c
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3c3ad1fd2a9083af9ffd64714e7b3dd7cc629c06f59eb52e03bfacd2ef2a2553
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3df572ecd8ad88b1b744adc3323998b64d8303ef1a19eba3d7fd6e76aeb67532
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5a7eee6544891c81cbeb11840147702208d7af4b076aa850e1d0adcfdbcfd338
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8b08628b3b7ad95bef5be23120ed741dcfca5d30f0d2dfdf83166b94c56f15d1
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8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
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b43b91f6495c2d4c9c48f707f17cf7d09e3dc46b9ca0759372945bd40d77a6b7
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f6db72c05e52647a5876470d56f4fb7751f4f0947d9aba5ef21eac60528c73ba
Stop
+ 285 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:694f12963bedb0c6040fb3c74aac71e5 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230310-rbjnsaea53/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
https://t.me/nemesisgrow
https://steamcommunity.com/profiles/76561199471222742
http://65.109.12.165:80
Unpacked files
SH256 hash:
776b274e88d253394b58136f330fc470100a94023099624c87c61b91013d2ed8
MD5 hash:
52f716c7c7e6a25ffaba8a96aa96d3e8
SHA1 hash:
36cc49b06c226409b13815c4b24f92f1963f5eba
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/e1bd27c8-fd98-4af8-a8ae-bf9241c61cc9/
Parent samples :
a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3
d1167128772b30c0143291247ebc0387d91dcead32f22d7abfc8a9cb0838ac5e
8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
10d0bc55f0ea7ba253b93e5a0e5ae0d29f1a652e94be31367e34f26a978f24f0
SH256 hash:
8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
MD5 hash:
4df8e589bcc9458c58cd6e0c4ccf7289
SHA1 hash:
f2f3c4fd6b0db9cbced2ece93f0fbb6982ec36fd
Link:
https://www.unpac.me/results/e1bd27c8-fd98-4af8-a8ae-bf9241c61cc9/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8aa518f4b9b4/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/8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:Telegram_Links
Create hunting rule
Rule name:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
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.

Web download

Stop

Executable exe 8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/373420/

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