MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b27136291ca18c364454b29f1f76e4d97cec1c3bd2f2d7a7f1f7c4f7e49044e7. 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: 9


Intelligence 9 IOCs 2 YARA 6 File information Comments

SHA256 hash: b27136291ca18c364454b29f1f76e4d97cec1c3bd2f2d7a7f1f7c4f7e49044e7
SHA3-384 hash: 77b8739e24a1441a91e696e19008a8241a2d9bec77817be1a1545c87d6b05f5c094c0bab1d6d197fc291c153eaee9d07
SHA1 hash: 4e03bbbdee217839b6376d87a9ce4ab0ec6b9357
MD5 hash: 28a8f63be71f6d426408427ec83766d8
humanhash: tennessee-jersey-uniform-twelve
File name:28a8f63be71f6d426408427ec83766d8.exe
Download: download sample
Signature CryptBot
File size:775'168 bytes
First seen:2021-06-18 10:16:17 UTC
Last seen:2021-06-18 10:53:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 866e8b0fa01ec6fd81db7579c1be52ae (3 x Stop, 1 x CryptBot, 1 x Smoke Loader)
ssdeep 12288:dki76uZ5O0uVgh34bWBr/A8Ozc3u5nq7rZpbHGsO2sO8BppAyPcNA/:v6u5ptPdAdce5nq7zb3OVJBpp8
Threatray 227 similar samples on MalwareBazaar
TLSH 5EF4F110AB50C035F4B712F899769329A52C7FA0673854CB62D92BEE17796E0FC31E4B
Reporter abuse_ch
Tags:CryptBot exe


Avatar
abuse_ch
CryptBot C2:
http://kiydbi52.top/index.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://kiydbi52.top/index.php https://threatfox.abuse.ch/ioc/136298/
http://morunx05.top/index.php https://threatfox.abuse.ch/ioc/136300/

Intelligence


File Origin
# of uploads :
2
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
28a8f63be71f6d426408427ec83766d8.exe
Verdict:
Malicious activity
Analysis date:
2021-06-18 10:19:54 UTC
Tags:
stealer trojan loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
Clipboard Hijacker Cryptbot Glupteba
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Delayed program exit found
Detected unpacking (overwrites its own PE header)
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
Yara detected Glupteba
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 436675 Sample: gfafOVZl9I.exe Startdate: 18/06/2021 Architecture: WINDOWS Score: 100 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 Multi AV Scanner detection for submitted file 2->88 90 10 other signatures 2->90 12 gfafOVZl9I.exe 48 2->12         started        17 SmartClock.exe 2->17         started        19 SmartClock.exe 2->19         started        process3 dnsIp4 78 morunx05.top 209.97.130.151, 49768, 80 DIGITALOCEAN-ASNUS United States 12->78 80 kiydbi52.top 34.94.196.212, 49767, 80 GOOGLEUS United States 12->80 82 peoscn07.top 34.95.172.180, 49769, 49770, 80 GOOGLEUS United States 12->82 70 C:\Users\user\AppData\Local\Temp70eXoO.exe, PE32 12->70 dropped 108 Detected unpacking (overwrites its own PE header) 12->108 110 Tries to harvest and steal browser information (history, passwords, etc) 12->110 21 cmd.exe 1 12->21         started        24 cmd.exe 1 12->24         started        file5 signatures6 process7 signatures8 92 Submitted sample is a known malware sample 21->92 94 Obfuscated command line found 21->94 96 Uses ping.exe to sleep 21->96 98 Uses ping.exe to check the status of other devices and networks 21->98 26 NeXoO.exe 25 21->26         started        30 conhost.exe 21->30         started        32 conhost.exe 24->32         started        34 timeout.exe 1 24->34         started        process9 file10 62 C:\Users\user\AppData\Local\Temp\...\vpn.exe, PE32 26->62 dropped 64 C:\Users\user\AppData\Local\Temp\...\4.exe, PE32 26->64 dropped 66 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 26->66 dropped 68 3 other files (none is malicious) 26->68 dropped 100 Antivirus detection for dropped file 26->100 102 Machine Learning detection for dropped file 26->102 36 vpn.exe 7 26->36         started        38 4.exe 4 26->38         started        signatures11 process12 file13 41 cmd.exe 1 36->41         started        60 C:\Users\user\AppData\...\SmartClock.exe, PE32 38->60 dropped 43 SmartClock.exe 38->43         started        process14 process15 45 cmd.exe 3 41->45         started        48 conhost.exe 41->48         started        signatures16 104 Obfuscated command line found 45->104 106 Uses ping.exe to sleep 45->106 50 PING.EXE 1 45->50         started        53 Dio.exe.com 45->53         started        55 findstr.exe 1 45->55         started        process17 dnsIp18 72 127.0.0.1 unknown unknown 50->72 74 192.168.2.1 unknown unknown 50->74 57 Dio.exe.com 53->57         started        process19 dnsIp20 76 PNDaiggmvZaTOoafARIXExnsVhLeK.PNDaiggmvZaTOoafARIXExnsVhLeK 57->76
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2021-06-18 10:17:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery spyware stealer
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 behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
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
Malware Config
C2 Extraction:
kiydbi52.top
morunx05.top
Unpacked files
SH256 hash:
c32273f16322371d6820f8f602f99d4405d7e71199909c2dce3e44b508f3dc4d
MD5 hash:
35d512baebc3d33cf13ad433169a06bf
SHA1 hash:
99a5cd6b8a80d67b63e4d9313b08bbcf800db03b
SH256 hash:
b27136291ca18c364454b29f1f76e4d97cec1c3bd2f2d7a7f1f7c4f7e49044e7
MD5 hash:
28a8f63be71f6d426408427ec83766d8
SHA1 hash:
4e03bbbdee217839b6376d87a9ce4ab0ec6b9357
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:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_CryptBot
Author:ditekSHen
Description:CryptBot/Fugrafa stealer payload
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Web download

CryptBot

Executable exe b27136291ca18c364454b29f1f76e4d97cec1c3bd2f2d7a7f1f7c4f7e49044e7

(this sample)

  
Delivery method
Distributed via web download

Comments