MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889
SHA3-384 hash: 49f43fb16c2cf7b990ea0abc1325ca03b400d9bcd1c5e6e49f3d25712be5df10bd8df534e54ebd3de6ae676ba8230d64
SHA1 hash: 793b8000997f2398b1c5d7dc6f8cac7a42ef10fa
MD5 hash: 7dedfb03c0417469da8b2e50c7b514c2
humanhash: grey-fish-florida-lithium
File name:cumloader584.exe
Download: download sample
Signature Stop
Create hunting rule
File size:848'384 bytes
First seen:2023-05-21 11:16:17 UTC
Last seen:2023-05-21 18:55:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3185d759d0419b7cf5b47864af3fc7f (3 x RedLineStealer, 2 x Stop, 1 x Amadey)
ssdeep 12288:Q1dvXT9ZhFnml5v+tX4OkmzogNx88niKZ+ABnrwCp/Fxgz9ijd6+:QPXT9ZnBIOkm8gNGadrwCjaxij4
Threatray 1'827 similar samples on MalwareBazaar
TLSH T15D05E00392D1ACE4F5225A728E2EC6E8761EF9614F197BEB22046BEF04711F2C573356
TrID 39.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.5% (.SCR) Windows screen saver (13097/50/3)
13.3% (.EXE) Win64 Executable (generic) (10523/12/4)
8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 90a0a0c0c0808020 (1 x Stop)
Reporter Neiki
Tags:Stop

Intelligence

File Origin
# of uploads :
3
# of downloads :
114
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
cumloader584.exe
Verdict:
Malicious activity
Analysis date:
2023-05-21 11:36:24 UTC
Tags:
ransomware stop loader stealer vidar trojan
Link:
https://app.any.run/tasks/05c12425-3080-4a4c-ac73-ade9a3cf1018

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29322.BadIN.UNOFFICIAL
Create hunting rule

Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a window
Unauthorized injection to a recently created process
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed smokeloader ursnif
Link:
https://www.filescan.io/uploads/6469fdb3dce377a01b63f659/reports/0d1d065e-fa07-4ac1-b600-7258c0247429/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889
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/4b4ae52b-d920-418b-90b6-e6d306bdab65
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1238619
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-05-19 22:46:29 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dcyr3jhqrdk6uyjxw6jhuk2eec3onq5tz5rrnug3ytow7zzqrceq._file
Verdict:
malicious
Similar samples:
3c3cee50db58610d6292c0f1c6ef8f40d519cf814a17ad7a6dada0194e0f3388
Stop
3e618b09bbab54dd0bd81e5ff61964768c527c998f5e9464a0239ca7ec23cadf
Stop
5cd87944f98dd4e2109b9059e40ea08ad8232bf41dc3b8437a1559ee93edd853
Stop
a73974aeb5bb412d8131ca7db4f5405b63a40e1cd5abb52028cc224be7fd9f4e
Stop
c78bc4fb8955940b3ac9b52cb16744a61f8bdaf673fd64fc106465241c56cc6c
Stop
d4323cb57c53ed1b6e083ac56a957594d02b0b9e7adf0e7f5ede88191ca39f69
Stop
d50fa4aed7916f94c37db4ab9b025c653056d7dddde7dce8e67186adaee63b68
Stop
eb16c4cc18648185ce5a68ff69b2bd66c26fd91d71412b405431d8b4647633be
Stop
ef2baff18e38c81563a209be46e0abf3bdc5e05da6c2a8872287edd64901af63
Stop
f0e303b9f53aa41b2acbf8f8567a7939fe5caefaf2c9d9e5c0ef4aafc7cec3b4
Stop
+ 1'817 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:9dfa7ee730fa2f1efb5ed51dbbec22f5 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230521-ndqckahh29/
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://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
Unpacked files
SH256 hash:
323433aa5db127cd22f84d5c4f862561abecdd7028ace323996ceecb2558561b
MD5 hash:
3a6e53b85b72559d0db268d278a72993
SHA1 hash:
2f57c0d76227473c07bf11d3ab3ff673bdd72562
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/972aeb74-9835-4637-8a19-54faae674d51/
Parent samples :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 hash:
18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889
MD5 hash:
7dedfb03c0417469da8b2e50c7b514c2
SHA1 hash:
793b8000997f2398b1c5d7dc6f8cac7a42ef10fa
Link:
https://www.unpac.me/results/972aeb74-9835-4637-8a19-54faae674d51/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/18b11da4f088/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/18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889

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: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: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 18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2615181/
  
Delivery method
Distributed via web download

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