MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8253a9b4fa341be7f3c7d3be4a50fd18a9e72afd0cca02053c43262d7f8fe5bd. 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


CryptBot


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8253a9b4fa341be7f3c7d3be4a50fd18a9e72afd0cca02053c43262d7f8fe5bd
SHA3-384 hash: 9efc8947682e1ab557a96e9d0b4e6b44dcd4ca9cb8a3182556d77f3fb14de52948291a09a083f5db2c8f34fdfb7e5b89
SHA1 hash: 636ba75dda14b2ced97090f490fac8bb699f6768
MD5 hash: d4c03c86b24c6b5a83c0524e1a9af692
humanhash: zebra-oranges-hamper-tennis
File name:d4c03c86b24c6b5a83c0524e1a9af692
Download: download sample
Signature CryptBot
Create hunting rule
File size:627'200 bytes
First seen:2021-08-22 10:24:16 UTC
Last seen:2021-08-22 10:52:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 535299e581f29afc654ac18a997959f4 (5 x RedLineStealer, 2 x RaccoonStealer, 1 x CryptBot)
ssdeep 12288:In8lWFmgZCAT+Fnt956lqjzPfeWnyZ0lruANYqju+jEphS:cFmgonthny01fNe0+U
TLSH T1E3D4E034B7A0C035F5A612F99975C76969297AB0DB30D2CB63D126EE62787E0DC3034B
dhash icon ead8ac9cc6e68ee0 (118 x RaccoonStealer, 102 x RedLineStealer, 46 x Smoke Loader)
Reporter zbetcheckin
Tags:32 CryptBot exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d4c03c86b24c6b5a83c0524e1a9af692
Verdict:
Malicious activity
Analysis date:
2021-08-22 10:26:53 UTC
Tags:
trojan stealer loader
Link:
https://app.any.run/tasks/2bd939c4-c591-41e4-afcc-61639729b219

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CryptBot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/181200/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.10550.17798.26382.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Reading critical registry keys
Delayed reading of the file
Deleting a recently created file
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the Program Files subdirectories
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Stealing user critical data
Enabling autorun by creating a file
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:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/297f848f-8a27-41fe-85da-3468eda6f65d
Result
Threat name:
Clipboard Hijacker Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837005
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Delayed program exit found
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Submitted sample is a known malware sample
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Clipboard Hijacker
Yara detected Cryptbot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 469436 Sample: eTw2H9bTMo Startdate: 22/08/2021 Architecture: WINDOWS Score: 100 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 9 other signatures 2->86 11 eTw2H9bTMo.exe 47 2->11         started        16 SmartClock.exe 2->16         started        18 rundll32.exe 2->18         started        20 SmartClock.exe 2->20         started        process3 dnsIp4 74 knudin72.top 95.182.123.214, 49707, 80 TEAM-HOSTASRU Russian Federation 11->74 76 sarafc10.top 93.170.123.188, 49710, 49711, 80 IHOR-ASRU Czech Republic 11->76 78 2 other IPs or domains 11->78 66 C:\Users\user\AppData\Local\Temp\Filett.exe, PE32 11->66 dropped 68 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 11->68 dropped 102 Detected unpacking (changes PE section rights) 11->102 104 Tries to harvest and steal browser information (history, passwords, etc) 11->104 22 Filett.exe 25 11->22         started        26 cmd.exe 1 11->26         started        file5 signatures6 process7 file8 58 C:\Users\user\AppData\Local\Temp\...\van.exe, PE32 22->58 dropped 60 C:\Users\user\AppData\Local\Temp\...\fan.exe, PE32 22->60 dropped 62 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 22->62 dropped 64 3 other files (none is malicious) 22->64 dropped 88 Machine Learning detection for dropped file 22->88 28 fan.exe 4 22->28         started        32 van.exe 1 6 22->32         started        90 Submitted sample is a known malware sample 26->90 92 Obfuscated command line found 26->92 94 Uses ping.exe to sleep 26->94 96 Uses ping.exe to check the status of other devices and networks 26->96 34 conhost.exe 26->34         started        36 timeout.exe 1 26->36         started        signatures9 process10 file11 70 C:\Users\user\AppData\...\SmartClock.exe, PE32 28->70 dropped 106 Detected unpacking (changes PE section rights) 28->106 108 Machine Learning detection for dropped file 28->108 110 Delayed program exit found 28->110 38 SmartClock.exe 28->38         started        40 cmd.exe 1 32->40         started        42 dllhost.exe 32->42         started        signatures12 process13 process14 44 cmd.exe 3 40->44         started        47 conhost.exe 40->47         started        signatures15 98 Obfuscated command line found 44->98 100 Uses ping.exe to sleep 44->100 49 Calpestare.exe.com 44->49         started        51 findstr.exe 1 44->51         started        53 PING.EXE 1 44->53         started        process16 process17 55 Calpestare.exe.com 49->55         started        dnsIp18 72 RGCxjLhGJCAxzKnWfsXbELUuQDG.RGCxjLhGJCAxzKnWfsXbELUuQDG 55->72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8253a9b4fa341be7f3c7d3be4a50fd18a9e72afd0cca02053c43262d7f8fe5bd/
Threat name:
Win32.Ransomware.Stopcrypt
Create hunting rule
Status:
Malicious
First seen:
2021-08-22 10:25:13 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qjj2tnh2gqn6p46h2o7euuh5dcu6okx5btfaebj4imtc274p4w6q._file
Result
Malware family:
danabot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot family:danabot banker discovery persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/210822-tg1fjkdyyj/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies registry class
Modifies system certificate store
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Deletes itself
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
CryptBot
CryptBot Payload
Danabot
Danabot Loader Component
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware Config
C2 Extraction:
knudin72.top
moreag07.top
23.229.29.48:443
192.210.222.81:443
Unpacked files
SH256 hash:
ac7223619c5d7360e1107d78954da5ecab7065f511c7524ecc69d8be02448a1e
MD5 hash:
9f4048bd9667b390952b0b01c96b5daa
SHA1 hash:
d281e18bdb7b7331a56702c5e65796844930b22f
Detections:
win_cryptbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/717e54e0-b9ae-484e-9ebb-0fef0c11fe1e/
Parent samples :
8253a9b4fa341be7f3c7d3be4a50fd18a9e72afd0cca02053c43262d7f8fe5bd
199bbc42e66411fd345d097585df9bddba75ff75d0b927fc27d1259348f49793
SH256 hash:
8253a9b4fa341be7f3c7d3be4a50fd18a9e72afd0cca02053c43262d7f8fe5bd
MD5 hash:
d4c03c86b24c6b5a83c0524e1a9af692
SHA1 hash:
636ba75dda14b2ced97090f490fac8bb699f6768
Link:
https://www.unpac.me/results/717e54e0-b9ae-484e-9ebb-0fef0c11fe1e/
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/8253a9b4fa341be7f3c7d3be4a50fd18a9e72afd0cca02053c43262d7f8fe5bd

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:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_CryptBot
Create hunting rule
Author:ditekSHen
Description:CryptBot/Fugrafa stealer payload
Rule name:win_cryptbot_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cryptbot.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

CryptBot

Executable exe 8253a9b4fa341be7f3c7d3be4a50fd18a9e72afd0cca02053c43262d7f8fe5bd

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/181200/
  
URLhaus
https://urlhaus.abuse.ch/url/1554262/
  
URLhaus
https://urlhaus.abuse.ch/url/1554880/

Comments


Avatar
zbet commented on 2021-08-22 10:24:17 UTC

url : hxxp://sarcef08.top/downfiles/file.exe