MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a706c1d0d748f3847de78ea63f7b3b6a6336f5750c84241e6b7fd0d45cd43765. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a706c1d0d748f3847de78ea63f7b3b6a6336f5750c84241e6b7fd0d45cd43765
SHA3-384 hash: 479250e0b4d7fc714c021e358566d235711745cf7c61018d0a6d619d477febc7dbd3e2fd82f4da2be4b4d28fcd91b048
SHA1 hash: 37e9024c5d64d51d01a1b1c9b3f1b5758693cedb
MD5 hash: 147f66a4ab5d877e9cd347e9c16fcd72
humanhash: hamper-oregon-island-skylark
File name:file
Download: download sample
Signature Stop
Create hunting rule
File size:776'192 bytes
First seen:2023-11-03 20:58:48 UTC
Last seen:2023-11-07 09:21:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ce8b02cf0e0e47bfce02667d7460664f (2 x Stealc, 2 x Glupteba, 1 x Stop)
ssdeep 12288:uA8auX4Zp7MC2bkWKvkfsIvkjAvh1rJyjvQe4XcIVvfdquBAsbDG:uZXcV7kkkfsI2qXF8vQe4XcILAs+
TLSH T140F4F15363916CA0F6236B338FDEC6F4F61EF9618F553B9A1254AA2F05701B2C5B2702
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 0040687260606440 (1 x Stop)
Reporter andretavare5
Tags:exe Stop


Avatar
andretavare5
Sample downloaded from https://vk.com/doc26060933_667308364?hash=p1GNfmBszTx4xyiyMmHgD2G6gamnOS6Qs3qnmrPFKHD&dl=o2oV7mrCcgrmkinSseauvXVuXZ6QwvOSPW95WlRGhv4&api=1&no_preview=1#test22

Intelligence

File Origin
# of uploads :
56
# of downloads :
397
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-11-03 22:56:19 UTC
Tags:
ransomware stop
Link:
https://app.any.run/tasks/af6402a6-8bc7-4773-90c4-fc598d95d0cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Pitou.17.25940.14461.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
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
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin packed xpack
Link:
https://www.filescan.io/uploads/65455f1b2546bd423f10a6e2/reports/8ef33ea9-41ef-430f-a4b0-2150ed5abbca/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a706c1d0d748f3847de78ea63f7b3b6a6336f5750c84241e6b7fd0d45cd43765
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/fc0314b9-82ec-44a9-b0c6-ba1d1b99ffde
Result
Threat name:
Babuk, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1336922
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1336922 Sample: file.exe Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 47 zexeq.com 2->47 49 api.2ip.ua 2->49 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 8 other signatures 2->67 9 file.exe 2->9         started        12 file.exe 2->12         started        14 file.exe 2->14         started        16 file.exe 2->16         started        signatures3 process4 signatures5 69 Detected unpacking (changes PE section rights) 9->69 71 Detected unpacking (overwrites its own PE header) 9->71 73 Writes a notice file (html or txt) to demand a ransom 9->73 83 2 other signatures 9->83 18 file.exe 1 17 9->18         started        75 Antivirus detection for dropped file 12->75 77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 22 file.exe 14 12->22         started        81 Injects a PE file into a foreign processes 14->81 24 file.exe 13 14->24         started        26 file.exe 16->26         started        process6 dnsIp7 51 api.2ip.ua 104.21.65.24, 443, 49729, 49730 CLOUDFLARENETUS United States 18->51 45 C:\Users\user\AppData\Local\...\file.exe, PE32 18->45 dropped 28 file.exe 18->28         started        31 icacls.exe 18->31         started        53 zexeq.com 185.12.79.25, 49732, 49733, 80 BIHNETBIHNETAutonomusSystemBA Bosnia and Herzegowina 22->53 file8 process9 signatures10 85 Injects a PE file into a foreign processes 28->85 33 file.exe 1 21 28->33         started        process11 file12 37 C:\_readme.txt, ASCII 33->37 dropped 39 C:\Users\user\_readme.txt, ASCII 33->39 dropped 41 C:\Users\user\AppData\...\ls-archive.sqlite, data 33->41 dropped 43 49 other malicious files 33->43 dropped 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 33->55 57 Infects executable files (exe, dll, sys, html) 33->57 59 Modifies existing user documents (likely ransomware behavior) 33->59 signatures13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a706c1d0d748f3847de78ea63f7b3b6a6336f5750c84241e6b7fd0d45cd43765
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a706c1d0d748f3847de78ea63f7b3b6a6336f5750c84241e6b7fd0d45cd43765/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-03 18:53:54 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u4dmdugxjdzyi7phr2td66z3njrtn5lvbsccihtlp7inixgug5sq._file
Verdict:
malicious
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/231103-zsp6wscd45/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://zexeq.com/test2/get.php
Unpacked files
SH256 hash:
b0a349b0744c7a14d47076d7cabb611640625f390dbe90ddbf93d914354b3ab0
MD5 hash:
61df5174883e8ffce5464602fd380b34
SHA1 hash:
9bc0c8cc1f6bdd025c0a71d06c0a56ceb6942db9
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/71e46ffc-f7ec-4f0e-bdbf-c7f450514ece/
SH256 hash:
a706c1d0d748f3847de78ea63f7b3b6a6336f5750c84241e6b7fd0d45cd43765
MD5 hash:
147f66a4ab5d877e9cd347e9c16fcd72
SHA1 hash:
37e9024c5d64d51d01a1b1c9b3f1b5758693cedb
Link:
https://www.unpac.me/results/71e46ffc-f7ec-4f0e-bdbf-c7f450514ece/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a706c1d0d748/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/a706c1d0d748f3847de78ea63f7b3b6a6336f5750c84241e6b7fd0d45cd43765

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2635570/

Comments