MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7b4ca17055e4d1b58841d6e9208fa2c2581f9ef3a13423956503faadbf1e04b. 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: f7b4ca17055e4d1b58841d6e9208fa2c2581f9ef3a13423956503faadbf1e04b
SHA3-384 hash: 414ae2fc36e24efe29416a1a559353cabceafbcfaa3fb1118353564534f67a65eebf6898dbd3b3a5e638cdcbb76912e6
SHA1 hash: 2bb298745d9a18d967fb546f0c508b3d90fa9a7a
MD5 hash: 7da4585851447c8cc6639cf3552d6a0a
humanhash: moon-twenty-timing-batman
File name:installer.exe
Download: download sample
Signature Stop
Create hunting rule
File size:712'704 bytes
First seen:2023-03-14 14:20:06 UTC
Last seen:2023-03-14 15:32:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 479608e06cc12a8fdc6e43a7370e252b (2 x Smoke Loader, 2 x Stop, 1 x Rhadamanthys)
ssdeep 12288:nDGYlML2TFib/yhwNy2ZZA2pga4t1fuQJ5pxyjUKi74Qgh4RdLa8W8h:quxizy8ZAI61fDHxyjU37bgCRNa8W8h
Threatray 1'342 similar samples on MalwareBazaar
TLSH T1D3E4F11352B1BC15E6328B33BE2ED2E9F61FF955EF4827752218AE1F48B1062CD62711
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 91626a6a6a6a6a68 (3 x Smoke Loader, 1 x RedLineStealer, 1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
2
# of downloads :
238
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
installer.exe
Verdict:
Malicious activity
Analysis date:
2023-03-14 14:23:20 UTC
Tags:
ransomware stop loader stealer
Link:
https://app.any.run/tasks/91338cb2-10c8-4261-82c8-f69786776467

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/374257/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.24202.12743.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Searching for synchronization primitives
Searching for the window
Creating a window
Unauthorized injection to a recently created process
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:
greyware lockbit packed
Link:
https://www.filescan.io/uploads/641082cf3ed78da2693def05/reports/0c7c8c9c-4069-4bcb-a803-36d30096cd6e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f7b4ca17055e4d1b58841d6e9208fa2c2581f9ef3a13423956503faadbf1e04b
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/d2516199-42b9-498b-a6cc-b9a57755cec4
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/1193375
Signature
Antivirus detection for URL or domain
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)
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: 826277 Sample: installer.exe Startdate: 14/03/2023 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for URL or domain 2->87 89 10 other signatures 2->89 11 installer.exe 2->11         started        14 installer.exe 2->14         started        16 installer.exe 2->16         started        18 4 other processes 2->18 process3 signatures4 101 Detected unpacking (changes PE section rights) 11->101 103 Detected unpacking (overwrites its own PE header) 11->103 105 Writes a notice file (html or txt) to demand a ransom 11->105 107 Writes many files with high entropy 11->107 20 installer.exe 1 18 11->20         started        109 Injects a PE file into a foreign processes 16->109 24 installer.exe 16->24         started        111 Multi AV Scanner detection for dropped file 18->111 26 installer.exe 18->26         started        28 schtasks.exe 18->28         started        process5 dnsIp6 75 api.2ip.ua 162.0.217.254, 443, 49691, 49692 ACPCA Canada 20->75 57 C:\Users\...\installer.exe:Zone.Identifier, ASCII 20->57 dropped 59 C:\Users\user\AppData\Local\...\installer.exe, MS-DOS 20->59 dropped 30 installer.exe 20->30         started        33 icacls.exe 20->33         started        35 conhost.exe 28->35         started        file7 process8 signatures9 113 Injects a PE file into a foreign processes 30->113 37 installer.exe 1 25 30->37         started        process10 dnsIp11 77 zexeq.com 201.124.81.159, 49693, 49696, 80 UninetSAdeCVMX Mexico 37->77 79 uaery.top 190.218.32.226, 49694, 80 CableOndaPA Panama 37->79 81 api.2ip.ua 37->81 61 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 37->61 dropped 63 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 37->63 dropped 65 C:\_readme.txt, ASCII 37->65 dropped 67 141 other malicious files 37->67 dropped 91 Modifies existing user documents (likely ransomware behavior) 37->91 42 build2.exe 37->42         started        45 build3.exe 37->45         started        file12 signatures13 process14 file15 93 Detected unpacking (changes PE section rights) 42->93 95 Detected unpacking (overwrites its own PE header) 42->95 97 Injects a PE file into a foreign processes 42->97 48 build2.exe 12 42->48         started        69 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 45->69 dropped 99 Uses schtasks.exe or at.exe to add and modify task schedules 45->99 51 schtasks.exe 45->51         started        signatures16 process17 dnsIp18 71 t.me 149.154.167.99, 443, 49703 TELEGRAMRU United Kingdom 48->71 73 91.107.229.3, 49704, 80 HETZNER-ASDE Germany 48->73 53 WerFault.exe 48->53         started        55 conhost.exe 51->55         started        process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7b4ca17055e4d1b58841d6e9208fa2c2581f9ef3a13423956503faadbf1e04b/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2023-03-14 14:21:08 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=662mufyflzgrwweedvxjech2fqsyd6pphijueokwka72vw7r4bfq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
5aad6ebccf994b06ae04f81acb19cbf976cea52e91671b5375c9c5d37dbb7098
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6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
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a5c5875892fcf16b14b95f13bc01d686f6127877cc1562721a8182db00c92912
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b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
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d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'332 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d6ef050131e7d5a1d595c51613328971 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230314-rn1g3ahg4s/
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://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
Unpacked files
SH256 hash:
fd397d3fe36fba71e823826d20d5172e3a931897a6c29792d4daab4addead614
MD5 hash:
8c1cb32901a4c1555453ea57e1fcef7a
SHA1 hash:
15540c07a3525edf88577ebe9ad6bd21aa74c188
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/609c2749-d629-4f8d-8e37-3e1c15852914/
Parent samples :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 hash:
f7b4ca17055e4d1b58841d6e9208fa2c2581f9ef3a13423956503faadbf1e04b
MD5 hash:
7da4585851447c8cc6639cf3552d6a0a
SHA1 hash:
2bb298745d9a18d967fb546f0c508b3d90fa9a7a
Link:
https://www.unpac.me/results/609c2749-d629-4f8d-8e37-3e1c15852914/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f7b4ca17055e/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/f7b4ca17055e4d1b58841d6e9208fa2c2581f9ef3a13423956503faadbf1e04b

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 f7b4ca17055e4d1b58841d6e9208fa2c2581f9ef3a13423956503faadbf1e04b

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/374257/
  
URLhaus
https://urlhaus.abuse.ch/url/2566096/

Comments