MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd
SHA3-384 hash: b95f2576dad44fa439042833736d9232716b3773b3e6607754453a005a7e2694814445864b439e58962bf28f01c9f09a
SHA1 hash: 444d08535d4d700a4259f27a056275d5b0a4610d
MD5 hash: 03483bad9b960538fe39ff5aab1a907a
humanhash: ceiling-oranges-ceiling-fifteen
File name:file.exe
Download: download sample
Signature Stop
Create hunting rule
File size:768'000 bytes
First seen:2023-06-07 01:32:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 73f55c9a8ec43dc84ad4d9211db141b3 (1 x RedLineStealer, 1 x LummaStealer, 1 x Rhadamanthys)
ssdeep 12288:T5fbu5mbzSITzDOR3TgKOl1XHcaeS+lQS4qEuqLMUmLjpLfP+b0:T5fdnSWOXcHBeS+W/qEdMUmRL3+
Threatray 1'943 similar samples on MalwareBazaar
TLSH T153F4F113A2E17D54EA264F32DE2EC2E9771DFA508F58BB7622189EAF04700B1C772745
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0808008a240a1000 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
324
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-06-07 01:33:56 UTC
Tags:
ransomware stop loader
Link:
https://app.any.run/tasks/6c07a208-8c7f-4d8a-8c78-976009d233e7

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/396289/
Detection(s):
SecuriteInfo.com.Variant.Ser.Zusy.4331.2457.9800.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
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:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/647fde4f7798c0cc4acd5da6/reports/38e63e47-1983-4fc9-8335-8310d623a85c/overview
Verdict:
Malicious
Labled as:
Ser.Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd
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/f54a9453-86d2-4783-860f-fc466e580240
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1249975
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
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 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected ZipBomb
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 882995 Sample: file.exe Startdate: 07/06/2023 Architecture: WINDOWS Score: 100 78 Snort IDS alert for network traffic 2->78 80 Multi AV Scanner detection for domain / URL 2->80 82 Found malware configuration 2->82 84 12 other signatures 2->84 11 file.exe 2->11         started        14 file.exe 2->14         started        16 file.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 88 Detected unpacking (changes PE section rights) 11->88 90 Detected unpacking (overwrites its own PE header) 11->90 92 Writes a notice file (html or txt) to demand a ransom 11->92 94 Writes many files with high entropy 11->94 20 file.exe 1 17 11->20         started        96 Multi AV Scanner detection for dropped file 14->96 98 Machine Learning detection for dropped file 14->98 100 Injects a PE file into a foreign processes 14->100 24 file.exe 13 14->24         started        26 file.exe 16->26         started        28 file.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 66 api.2ip.ua 162.0.217.254, 443, 49698, 49699 ACPCA Canada 20->66 52 C:\Users\user\AppData\Local\...\file.exe, PE32 20->52 dropped 54 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 20->54 dropped 32 file.exe 20->32         started        35 icacls.exe 20->35         started        68 192.168.2.1 unknown unknown 26->68 37 conhost.exe 30->37         started        file7 process8 signatures9 76 Injects a PE file into a foreign processes 32->76 39 file.exe 1 23 32->39         started        process10 dnsIp11 70 colisumy.com 175.120.254.9, 49701, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 39->70 72 zexeq.com 177.254.85.20, 49700, 49703, 80 ColombiaMovilCO Colombia 39->72 74 api.2ip.ua 39->74 56 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->56 dropped 58 C:\_readme.txt, ASCII 39->58 dropped 60 C:\Users\user\_readme.txt, ASCII 39->60 dropped 62 142 other malicious files 39->62 dropped 86 Modifies existing user documents (likely ransomware behavior) 39->86 44 build3.exe 39->44         started        file12 signatures13 process14 file15 64 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 44->64 dropped 102 Uses schtasks.exe or at.exe to add and modify task schedules 44->102 48 schtasks.exe 44->48         started        signatures16 process17 process18 50 conhost.exe 48->50         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd/
Threat name:
Win32.Trojan.RedLine
Create hunting rule
Status:
Malicious
First seen:
2023-06-06 12:28:23 UTC
File Type:
PE (Exe)
Extracted files:
55
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yba4fjxeqayjkcdmy4clxbhzy6zxprweoif4ix3w7sj7wu56wh6q._file
Verdict:
malicious
Similar samples:
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Stop
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+ 1'933 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware
Link:
https://tria.ge/reports/230607-byh3rsgd33/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
Unpacked files
SH256 hash:
82a907d43d97d9426c8bcb21ba10d2232d774942618cc6e136a1e064ec7d1410
MD5 hash:
6d249d9582aa18274262fe80e21766ea
SHA1 hash:
5fe207eedc629060e6a30444051472555c1d32d5
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/9dd62cdc-df9a-4c6f-8bd8-c77f30fbb790/
Parent samples :
c402ab915a89ed76f00e7d86dd1fa1aa6ca69b7ca34344995c7ce3a1b51b7b25
d6d3b8afca43e956e5d243b5fe86ffc7c5e5eacf31974108035d2678bde1ac73
e91bc5755d9f1aa37e718b3f5350f7d1474e930898b177fe9cc1cc18c54ea296
55d5702e6d30bfef8c4c036744bfe2330137d52dc32ee3399b1375614f815a9b
db5a87871265beac473e5be77b89d354e8ecc5039a680c23403dd2e9ba9f4308
e2d46d2b425da9d93663333937e8c28c5464a4daaf3e6c59ca0bbcf4478160ce
8e50809f79d9ae944f80e9c4ce75e1dde928ddf4e34663607bccc7463d922f27
c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd
90694193de42805e79e29e2dd0de34482f3e2c808bc7798def94ffdffafa71cc
21f88b697a09920cff8e006f16c4ff42b22cedbe894c8f0a0c381ef2f8f393ca
2bb69d10c71e28bbb51a7f6d261ee78b31c289abef0fdb8af28d6c7b4de5f5cc
SH256 hash:
c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd
MD5 hash:
03483bad9b960538fe39ff5aab1a907a
SHA1 hash:
444d08535d4d700a4259f27a056275d5b0a4610d
Link:
https://www.unpac.me/results/9dd62cdc-df9a-4c6f-8bd8-c77f30fbb790/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c041c2a6e480/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/c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd

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: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 c041c2a6e4803095086cc704bb84f9c7b377c6c4720bc45f76fc93fb53beb1fd

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/396289/

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