MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31a80f0d85b3ab33bc5d45b3f1c850eebf1c6318b732a9e48d0b2accbc3754ce. 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: 31a80f0d85b3ab33bc5d45b3f1c850eebf1c6318b732a9e48d0b2accbc3754ce
SHA3-384 hash: ccb5ec46fc64a4fa793edb7128d1e486f5335d88833537aa989e4e994af9d00a054ef45e8b8a7d73a508a04094132f67
SHA1 hash: c6b5398703e6bdd23254e07a4c1d1049498bbacc
MD5 hash: f06353c9fce6631e1338f9d509a08f60
humanhash: double-mockingbird-bacon-kilo
File name:setup.exe
Download: download sample
Signature Stop
Create hunting rule
File size:733'184 bytes
First seen:2023-03-24 01:16:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e5d844fa3edf48de21502f4c833cd751 (2 x Stop)
ssdeep 12288:ZiYT5624m1nKnTIyemMdibjM2pPyigwnz8UIj79C:U8p4m1qTjMdibY2pqgz0j79
Threatray 2'232 similar samples on MalwareBazaar
TLSH T1DCF4123336F1C437E09B4934C5A6CB90BA7BB83256658A877324273E1D716A157BE30B
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 000545391c24a000 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-24 01:19:26 UTC
Tags:
loader ransomware stop
Link:
https://app.any.run/tasks/4ae3a0c3-8e6f-4173-a96d-52dc0bba15db

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/376974/
Detection(s):
Sanesecurity.Malware.29068.BadIN.UNOFFICIAL
Create hunting rule

Win.Packer.pkr_ce1a-9980177-0
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
DNS 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
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74505/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed
Link:
https://www.filescan.io/uploads/641cfa10318b503355a8b0ea/reports/8582b621-2b9d-4c53-b361-28fb8d5125a5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/31a80f0d85b3ab33bc5d45b3f1c850eebf1c6318b732a9e48d0b2accbc3754ce
Result
Verdict:
UNKNOWN
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/374c3950-2623-48cc-97e1-fd0127f9ee6d
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200910
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 ransom note / readme
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 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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
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 Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 833815 Sample: setup.exe Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 11 other signatures 2->78 11 setup.exe 2->11         started        14 setup.exe 2->14         started        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 2 other signatures 11->94 16 setup.exe 1 16 11->16         started        process5 dnsIp6 60 api.2ip.ua 162.0.217.254, 443, 49696, 49697 ACPCA Canada 16->60 46 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 16->46 dropped 48 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 16->48 dropped 20 setup.exe 16->20         started        23 icacls.exe 16->23         started        file7 process8 signatures9 80 Injects a PE file into a foreign processes 20->80 25 setup.exe 1 25 20->25         started        process10 dnsIp11 66 zexeq.com 187.245.185.123, 49701, 49702, 80 MegaCableSAdeCVMX Mexico 25->66 68 uaery.top 211.40.39.251, 49700, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 25->68 70 api.2ip.ua 25->70 52 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 25->52 dropped 54 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 25->54 dropped 56 C:\_readme.txt, ASCII 25->56 dropped 58 141 other malicious files 25->58 dropped 96 Modifies existing user documents (likely ransomware behavior) 25->96 30 build2.exe 25->30         started        33 build3.exe 1 25->33         started        file12 signatures13 process14 file15 98 Detected unpacking (changes PE section rights) 30->98 100 Detected unpacking (overwrites its own PE header) 30->100 36 build2.exe 18 30->36         started        50 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 33->50 dropped 102 Uses schtasks.exe or at.exe to add and modify task schedules 33->102 40 schtasks.exe 1 33->40         started        signatures16 process17 dnsIp18 62 t.me 149.154.167.99, 443, 49703 TELEGRAMRU United Kingdom 36->62 64 195.201.45.203, 49704, 80 HETZNER-ASDE Germany 36->64 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->82 84 Tries to harvest and steal browser information (history, passwords, etc) 36->84 86 Tries to steal Crypto Currency Wallets 36->86 42 WerFault.exe 36->42         started        44 conhost.exe 40->44         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31a80f0d85b3ab33bc5d45b3f1c850eebf1c6318b732a9e48d0b2accbc3754ce/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-03-23 21:40:10 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ggua6dmfwovthpc5iwz7dscq527ryyyyw4zktzenbmvmzpbxktha._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
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6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
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a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
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b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
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d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
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+ 2'222 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:00d92484c9b27bc8482a2cc94cacc508 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230324-bndejabc82/
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 AdjustPrivilegeToken
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/raud/get.php
https://steamcommunity.com/profiles/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
Unpacked files
SH256 hash:
828c402f8a5a97b9ff2ffc19b4dda92e34854fa9950deb7eafd0cf5adf599792
MD5 hash:
00ed638d949ffb1398d1825e918d3df0
SHA1 hash:
188f5e21fecf83a745098d10ef7f62b10129e0b1
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/d5360312-e664-4e07-86bd-ef52ffde5868/
Parent samples :
d6fa27ddc043e34425a257f7e5a4af46e12209b838e6ba0587800fbaa58bd303
8e353469e9a3238883c19d9471e6c9c9b6a487e25a7ba67ff0a94b89ebd2c610
27ebb84c6116af03e64a773a83816cc45a9dda1e4ea372229633decf59edd0a6
7dd575b4960d6489a8d2e254a11c281fb0a584cdb3ed4e247e77f03352e5c3e3
a5bced2e4d51bfcbc4096302d56b663a05b599a7718f9ac84973b132893fcf09
d21afc25b1e3c40194e0197a14b179210ed01e5a1fc481b540de3d46fd04b1a6
099f958fb2f5294e668b1f1aec49a344018e89c0250b9a787f7ca130469111eb
31a80f0d85b3ab33bc5d45b3f1c850eebf1c6318b732a9e48d0b2accbc3754ce
217480c37c98f9bf2cc0ae64c2fe58c5df5be4b005bf6460a83b7c460fb3a257
374066adde3b0759cb714dc69f81022ff93c36e759cbe7594d3ca3600be94194
19068810ffa556e922759d7652f4a16f35fc04a5bd708c56a8d601db3cec8708
52df416537250c88db017edd6a56282707f80ea38e3c7d4f9101d88c171bc49e
a5178d151f0c3056d631cc4d52dde49c19a08fdde23972a220869360d078fa76
SH256 hash:
31a80f0d85b3ab33bc5d45b3f1c850eebf1c6318b732a9e48d0b2accbc3754ce
MD5 hash:
f06353c9fce6631e1338f9d509a08f60
SHA1 hash:
c6b5398703e6bdd23254e07a4c1d1049498bbacc
Link:
https://www.unpac.me/results/d5360312-e664-4e07-86bd-ef52ffde5868/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/31a80f0d85b3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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 31a80f0d85b3ab33bc5d45b3f1c850eebf1c6318b732a9e48d0b2accbc3754ce

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/376974/

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