MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b66937aa53c2d41ff581294c755c0398d9b0e908ceeb90294a08342645269d5. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b66937aa53c2d41ff581294c755c0398d9b0e908ceeb90294a08342645269d5
SHA3-384 hash: 132d1eb3fe57322911fe470a67509a6bc9ed4e9bc12d1619d75bd2731f9816d4fdb9f0f9bab3a052927ba9ad79bf018b
SHA1 hash: 3aa1ead49c63992595ec6c96887cb8fa79fee758
MD5 hash: 644fe68426d5ea6660a8f6e4afc46c8f
humanhash: alabama-florida-fruit-magazine
File name:setup.exe
Download: download sample
Signature Stop
Create hunting rule
File size:775'168 bytes
First seen:2023-03-23 01:44:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0c7d5e3cc418522bc761bfea9cf074f4 (5 x Smoke Loader, 4 x RedLineStealer, 2 x Stop)
ssdeep 12288:GzuyNAWXWxNOKya9fustB5GCLtko3XbBjIAqplH0SpNJzLu5Xuu5M3pbd:GKWXcsKBfztzGbeXbBUAYlFZUjWl
Threatray 1'430 similar samples on MalwareBazaar
TLSH T1D1F4F10253E37861EF1746328E2AC3F82A5FB9629D5BBB5E161CEE3F09B41B1C542711
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 0842824900505250 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
272
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-23 01:44:38 UTC
Tags:
loader ransomware stop
Link:
https://app.any.run/tasks/73ba9fd5-bdeb-4ffb-8b4c-31d6dbb433b1

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/376721/
Detection(s):
Win.Dropper.Tofsee-9994098-0
Create hunting rule

Win.Dropper.Tofsee-9994099-0
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
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
DNS request
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:
100%
Tags:
azorult greyware lockbit packed
Link:
https://www.filescan.io/uploads/641baf1ec60b3295f52cc9bb/reports/0f0f824a-91bb-4d4b-b2ea-9634c03a3af3/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/7b66937aa53c2d41ff581294c755c0398d9b0e908ceeb90294a08342645269d5
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/ef2a303f-601d-4243-850c-b28ba1a6c366
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, HTMLPhi
Create hunting rule
Detection:
malicious
Classification:
rans.spre.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200033
Signature
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 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 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 HtmlPhish10
Yara detected Zorab Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 832938 Sample: setup.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 12 other signatures 2->76 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 82 Detected unpacking (changes PE section rights) 11->82 84 Detected unpacking (overwrites its own PE header) 11->84 86 Writes a notice file (html or txt) to demand a ransom 11->86 90 3 other signatures 11->90 18 setup.exe 1 16 11->18         started        88 Multi AV Scanner detection for dropped file 14->88 22 schtasks.exe 1 14->22         started        process5 dnsIp6 58 api.2ip.ua 162.0.217.254, 443, 49692, 49693 ACPCA Canada 18->58 52 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->52 dropped 54 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->54 dropped 24 setup.exe 18->24         started        27 icacls.exe 18->27         started        29 conhost.exe 22->29         started        file7 process8 signatures9 80 Injects a PE file into a foreign processes 24->80 31 setup.exe 1 24 24->31         started        process10 dnsIp11 60 zexeq.com 2.180.10.7, 49695, 49696, 80 TCIIR Iran (ISLAMIC Republic Of) 31->60 62 uaery.top 175.126.109.15, 49694, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 31->62 64 2 other IPs or domains 31->64 44 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 31->44 dropped 46 C:\_readme.txt, ASCII 31->46 dropped 48 C:\Users\user\_readme.txt, ASCII 31->48 dropped 50 224 other files (223 malicious) 31->50 dropped 66 Infects executable files (exe, dll, sys, html) 31->66 68 Modifies existing user documents (likely ransomware behavior) 31->68 36 build3.exe 1 31->36         started        file12 signatures13 process14 file15 56 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 36->56 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 36->78 40 schtasks.exe 1 36->40         started        signatures16 process17 process18 42 conhost.exe 40->42         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b66937aa53c2d41ff581294c755c0398d9b0e908ceeb90294a08342645269d5/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2023-03-23 01:46:37 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pntjg6vfhqwud72yckkmovoahggzwduqrtxlsauuucbuezcsnhkq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Stop
a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
Stop
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'420 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230323-b5v1xacg57/
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/test2/get.php
https://steamcommunity.com/profiles/76561199472266392
Unpacked files
SH256 hash:
55c0548cb65388c832a83b1e7a288e025605ab8a7361a81871ced16aba8e2c18
MD5 hash:
8e509e7a654c2cb66aebd6dbe396a9ff
SHA1 hash:
4d3d432a08c2d9b1204b0e65276378004095b50b
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/df6631ed-dae3-4a95-ad63-066468c3fdac/
Parent samples :
f3917bfe3837372f34af459f01c0af768a616fb9c8a20c04994237695af925fd
82515bb4fb5f3c67b48addca1f08cc2465690f8fac991ea30c68ceceba22a1d3
2a689712dc01a555fd756f77e8c63b5c0ed4b1d7632a1fc97b7810a121fdcfc5
7b66937aa53c2d41ff581294c755c0398d9b0e908ceeb90294a08342645269d5
2144fcba25786b3a40a26396f540ac398602956c826402a96f191abe73ac1bca
84d1ac925dd48927aa12e4c519e081c39f0f41c2d226ec55d28fa2095c19be1e
245247efeee2675a380f791323dd3b2b52eeddc0c1c033b7772c03a8c699b4e2
3281c9ae9c603fab9293b71fd9f6955e4216f6418047b29a08446c9b540c7a5d
f470607204e84fa606ac7d37b59c646e1ece99380093a95ff79ab66289c47f40
38c4970c7f338a44d531efbff4737bac904c9ea1720b31f07ed2f70ad8b0ad27
78cd97ec2dd4ee8922a48327c44b2b040b3e817d87acd0386f040932557a9ef8
6de170d20061599ced85f74630cb8dfbe6ec11592fd3f61d261a5e92e8e5b4d8
4ef4bd047ca7a31b0bb1232236a1d4075031bf9c5b0128ab33a6948fcbe65c1f
1ac4c935700aeb5018ac473ec6a180bfc332ec686e7efb8617017ea93481ea79
c5cbb1cab733c0ea594d67991586f12e7fa8396e68a7067b26da469be0ab6ed1
9b4035690f4f987f5ec426086467dfec31a9f91cf0b23ffc13d45a25def1bdfe
3a0ec30b86a42ae13b311f023c748dc14918cee78593f5e6786bf98a2c4b0f22
12f6e0e9adea28f0619bddd3a51515af45ddfd29f545b21e93c69edffe69fdc1
f440e684a6b70b84437dc0a5becbecc67f8bf8239d86a3c47f0bf60a18b69154
f8aff7f6db8e4ccef61761b993280d3a889853e30a060aa16298aa6b69cab165
da7cbbf56f929fa425250a13156cc82ab540353716578558acd23f7ee6f5406f
d935d3deb9f86f85e9eb8ac73c617a4d0eac4c9bbe54e97522c02f79a34685e7
SH256 hash:
7b66937aa53c2d41ff581294c755c0398d9b0e908ceeb90294a08342645269d5
MD5 hash:
644fe68426d5ea6660a8f6e4afc46c8f
SHA1 hash:
3aa1ead49c63992595ec6c96887cb8fa79fee758
Link:
https://www.unpac.me/results/df6631ed-dae3-4a95-ad63-066468c3fdac/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b66937aa53c/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 7b66937aa53c2d41ff581294c755c0398d9b0e908ceeb90294a08342645269d5

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/376721/

Comments