MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a78ca23dd7928b9580bb361e6e1c5d15e6ecd5f91371c88b22563d7bf13dd8da. 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: 15


Intelligence 15 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a78ca23dd7928b9580bb361e6e1c5d15e6ecd5f91371c88b22563d7bf13dd8da
SHA3-384 hash: 4062ac16bfd25fbb29b249057eb1f59d4ab07bceb60a856f3a7610a7debbe855a69fb85c45f1382a0f664771f96c7c5b
SHA1 hash: 62978c2be5f684efff51b2dceb3400ddf6861569
MD5 hash: 7cee454a0fa55f668ae78efa9bf1eea7
humanhash: violet-cold-april-yankee
File name:7cee454a0fa55f668ae78efa9bf1eea7.exe
Download: download sample
Signature Stop
Create hunting rule
File size:847'872 bytes
First seen:2022-08-07 07:45:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 09220c43a48769a57a51fe2bf629b1f2 (4 x Stop)
ssdeep 24576:TJqCjOq7Vxv6NzM8icOrBu6S/rRgjpN53uojDv9:TIM/dNu6Sj+p7xv
TLSH T1E7050200BA50C439F5B715F48ABA82B8752E7ED1AB6650CB22D43BED57385E0EC32357
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2dacabecee6baa6 (148 x RedLineStealer, 145 x Stop, 100 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://159.69.102.194:1080/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://159.69.102.194:1080/ https://threatfox.abuse.ch/ioc/841762/

Intelligence

File Origin
# of uploads :
1
# of downloads :
424
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7cee454a0fa55f668ae78efa9bf1eea7.exe
Verdict:
Malicious activity
Analysis date:
2022-08-07 07:46:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/80d5006f-1c97-4ad4-a176-55a8199c8c8c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/296940/
Detection(s):
Win.Packed.Crypterx-9954995-0
Create hunting rule

Win.Packed.Ransomx-9960871-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/28277/overview
Behaviour
MalwareBazaar
SystemUptime
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed wacatac
Link:
https://www.filescan.io/uploads/62ef6e026336465f2a1ec629/reports/dcc2c01c-3868-462e-8fee-e79e15da178e/overview
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/d2a0e439-6004-4576-ad2b-7cc619d8561a
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047462
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 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 many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 679956 Sample: vSPGsfU57w.exe Startdate: 07/08/2022 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for domain / URL 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 6 other signatures 2->67 8 vSPGsfU57w.exe 2->8         started        11 vSPGsfU57w.exe 2->11         started        13 vSPGsfU57w.exe 2->13         started        15 vSPGsfU57w.exe 2->15         started        process3 signatures4 73 Writes many files with high entropy 8->73 75 Injects a PE file into a foreign processes 8->75 17 vSPGsfU57w.exe 1 17 8->17         started        21 vSPGsfU57w.exe 13 11->21         started        23 vSPGsfU57w.exe 13 13->23         started        25 vSPGsfU57w.exe 15->25         started        process5 dnsIp6 55 api.2ip.ua 162.0.217.254, 443, 49741, 49743 ACPCA Canada 17->55 45 C:\Users\...\vSPGsfU57w.exe:Zone.Identifier, ASCII 17->45 dropped 47 C:\Users\user\AppData\...\vSPGsfU57w.exe, MS-DOS 17->47 dropped 27 vSPGsfU57w.exe 17->27         started        30 icacls.exe 17->30         started        57 115.88.24.202, 49750, 49752, 49756 LGDACOMLGDACOMCorporationKR Korea Republic of 21->57 59 acacaca.org 21->59 file7 process8 signatures9 77 Injects a PE file into a foreign processes 27->77 32 vSPGsfU57w.exe 1 18 27->32         started        process10 dnsIp11 49 rgyui.top 222.236.49.124, 49745, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 32->49 51 acacaca.org 31.166.90.88, 49744, 49746, 49747 MOBILY-ASEtihadEtisalatCompanyMobilySA Saudi Arabia 32->51 53 api.2ip.ua 32->53 37 C:\_readme.txt, ASCII 32->37 dropped 39 C:\Users\...\SmartScreenCache.dat.ccew (copy), data 32->39 dropped 41 C:\Users\user\...\MSIMGSIZ.DAT.ccew (copy), data 32->41 dropped 43 28 other files (25 malicious) 32->43 dropped 69 Infects executable files (exe, dll, sys, html) 32->69 71 Modifies existing user documents (likely ransomware behavior) 32->71 file12 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a78ca23dd7928b9580bb361e6e1c5d15e6ecd5f91371c88b22563d7bf13dd8da/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-08-07 00:43:34 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6gkepoxskfzlaf3gypg4hc5cxtozvpzcny4rczcky6xx4j53dna._file
Verdict:
malicious
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/220807-jly78aaeb4/
Behaviour
Checks processor information in registry
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://acacaca.org/test1/get.php
Unpacked files
SH256 hash:
11c2cb8e80334aa848b7e791139e777142cac4b6ccd5aa97364f527e37c973d3
MD5 hash:
972b3b562e38d5089637b1e57bc05057
SHA1 hash:
eb3a3c1c540d6d90d68628a035dfcde66b3dee5f
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/098235ea-c179-491f-bff8-e02b6d7cd65e/
Parent samples :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 hash:
a78ca23dd7928b9580bb361e6e1c5d15e6ecd5f91371c88b22563d7bf13dd8da
MD5 hash:
7cee454a0fa55f668ae78efa9bf1eea7
SHA1 hash:
62978c2be5f684efff51b2dceb3400ddf6861569
Link:
https://www.unpac.me/results/098235ea-c179-491f-bff8-e02b6d7cd65e/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a78ca23dd792/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/a78ca23dd7928b9580bb361e6e1c5d15e6ecd5f91371c88b22563d7bf13dd8da

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
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: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 a78ca23dd7928b9580bb361e6e1c5d15e6ecd5f91371c88b22563d7bf13dd8da

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2261244/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/296940/

Comments