MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b57b2c143036ce5ee287e63f717278933a2d9b64a9c85999343f715d91f2f6e1. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments 1

SHA256 hash: b57b2c143036ce5ee287e63f717278933a2d9b64a9c85999343f715d91f2f6e1
SHA3-384 hash: e2487ef356f6c9c1d842c745c6ac8a4e52bb5d1eba714f7b68ba07432dfbe9bcbe4771e42050280f19b7c4ee518277d0
SHA1 hash: 9730e09f3c4548536180283b89f9046237a4c258
MD5 hash: 7f1768f8d49b2339e0fb39e6cb19ed22
humanhash: hydrogen-glucose-floor-georgia
File name:7f1768f8d49b2339e0fb39e6cb19ed22
Download: download sample
Signature CryptBot
File size:645'632 bytes
First seen:2021-08-20 02:58:47 UTC
Last seen:2021-08-20 06:02:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c373d93df8b60680e045175a45030767 (7 x Amadey, 2 x Glupteba, 2 x DanaBot)
ssdeep 12288:I0ICiL0j9l7ZMibYBS2hlt9t5t7Qt6HPfJpEy3tO7jHTj4nri4sy7I6:IT0j9l7H0lt26oy3tiHTj4ri4syM6
TLSH T194D4E120B690C435E4A653F4697983AC7B29BDB45B2040EF73D536AE56382E4AC3137F
dhash icon ead8ac9cc6e68ea0 (38 x RaccoonStealer, 18 x RedLineStealer, 12 x Smoke Loader)
Reporter zbetcheckin
Tags:32 CryptBot exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2A4A2A81D7B64912B929D4ECFA94E2A6.exe
Verdict:
Malicious activity
Analysis date:
2021-08-19 20:31:25 UTC
Tags:
trojan stealer raccoon opendir evasion loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
Creating a file in the Program Files subdirectories
Launching a process
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Sending a UDP request
Sending a custom TCP request
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.
Result
Threat name:
Clipboard Hijacker Cryptbot Glupteba
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Delayed program exit found
Detected unpacking (changes PE section rights)
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 domain / URL
Multi AV Scanner detection for dropped file
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: 468595 Sample: SkQfQATBd5 Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 83 Multi AV Scanner detection for domain / URL 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 SkQfQATBd5.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 75 94.140.112.10, 49716, 80 TELEMACHBroadbandAccessCarrierServicesSI Latvia 11->75 77 sarfri06.top 45.130.151.13, 49718, 49719, 80 MARKTELRU Russian Federation 11->77 79 2 other IPs or domains 11->79 67 C:\Users\user\AppData\Local\Temp\Filett.exe, PE32 11->67 dropped 69 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 11->69 dropped 103 Detected unpacking (changes PE section rights) 11->103 105 Tries to harvest and steal browser information (history, passwords, etc) 11->105 22 Filett.exe 25 11->22         started        26 cmd.exe 1 11->26         started        file5 signatures6 process7 file8 59 C:\Users\user\AppData\Local\Temp\...\vts.exe, PE32 22->59 dropped 61 C:\Users\user\AppData\Local\Temp\...\frey.exe, PE32 22->61 dropped 63 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 22->63 dropped 65 3 other files (none is malicious) 22->65 dropped 91 Multi AV Scanner detection for dropped file 22->91 93 Machine Learning detection for dropped file 22->93 28 frey.exe 4 22->28         started        33 vts.exe 1 6 22->33         started        95 Submitted sample is a known malware sample 26->95 97 Obfuscated command line found 26->97 99 Uses ping.exe to sleep 26->99 101 Uses ping.exe to check the status of other devices and networks 26->101 35 conhost.exe 26->35         started        37 timeout.exe 1 26->37         started        signatures9 process10 dnsIp11 81 192.168.2.1 unknown unknown 28->81 71 C:\Users\user\AppData\...\SmartClock.exe, PE32 28->71 dropped 111 Multi AV Scanner detection for dropped file 28->111 113 Detected unpacking (changes PE section rights) 28->113 115 Machine Learning detection for dropped file 28->115 117 Delayed program exit found 28->117 39 SmartClock.exe 28->39         started        41 cmd.exe 1 33->41         started        43 dllhost.exe 33->43         started        file12 signatures13 process14 process15 45 cmd.exe 3 41->45         started        48 conhost.exe 41->48         started        signatures16 107 Obfuscated command line found 45->107 109 Uses ping.exe to sleep 45->109 50 Quel.exe.com 45->50         started        52 findstr.exe 1 45->52         started        54 PING.EXE 1 45->54         started        process17 process18 56 Quel.exe.com 50->56         started        dnsIp19 73 fYkRnLiyNmVjHRcBr.fYkRnLiyNmVjHRcBr 56->73
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-08-20 02:59:06 UTC
AV detection:
27 of 46 (58.70%)
Threat level:
  5/5
Result
Malware family:
danabot
Score:
  10/10
Tags:
family:cryptbot family:danabot botnet:4 banker discovery persistence spyware stealer suricata trojan
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 SendNotifyMessage
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
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:
knuxiq42.top
morumd04.top
23.229.29.48:443
152.89.247.31:443
192.210.222.81:443
Unpacked files
SH256 hash:
e1f311e4e5e4d04b476c56a021a7b68d18d558b7692628096dbdd3a65f8adf6f
MD5 hash:
d03946b612245665a03452f0915f876d
SHA1 hash:
a46a0a1a24467cf7de4fd395b91b992797e1c142
Detections:
win_cryptbot_auto
SH256 hash:
b57b2c143036ce5ee287e63f717278933a2d9b64a9c85999343f715d91f2f6e1
MD5 hash:
7f1768f8d49b2339e0fb39e6cb19ed22
SHA1 hash:
9730e09f3c4548536180283b89f9046237a4c258
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:win_cryptbot_auto
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 b57b2c143036ce5ee287e63f717278933a2d9b64a9c85999343f715d91f2f6e1

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-08-20 02:58:48 UTC

url : hxxp://saryes05.top/downfiles/file.exe