MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bf9a15445a908fdcd7d4a5a0584678a1efb086d1eccbf0ae60393f6be208919. 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 YARA 6 File information Comments 1

SHA256 hash:	1bf9a15445a908fdcd7d4a5a0584678a1efb086d1eccbf0ae60393f6be208919
SHA3-384 hash:	91e5c3a25184ba2af58cc6e565846bcea841ee9d67445504c2bb4eee1f6ce0f8e95893f41f40fafee753834e5b1802c0
SHA1 hash:	9133156789a5b0d730c5d059948edc14bfb7ead4
MD5 hash:	4fc81ed7e14c996685d930fc25d89d0f
humanhash:	autumn-social-uniform-missouri
File name:	4fc81ed7e14c996685d930fc25d89d0f.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	760'832 bytes
First seen:	2021-05-20 15:18:45 UTC
Last seen:	2021-05-20 17:15:10 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	b7513c9180d9c4b81797d95ecb76f0a9 (1 x DanaBot, 1 x RedLineStealer, 1 x Stop)
ssdeep	12288:BbGZjFdpCpe7gRuoRlnnRt7zXYLo6Evgra7uGsDO0MZzLyEytEyBWUdIRUEo99Iq:BYjF+qoR9nRd8knp7u9DC1PypIRU73ig
Threatray	134 similar samples on MalwareBazaar
TLSH	A7F4F130A6A2C035F5F312F849FA7279793E7BA16B3554CF12C426EA56706E4AC3035B
Reporter	abuse_ch
Tags:	CryptBot exe

Intelligence

File Origin

# of uploads :

# of downloads :

111

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

778202b3ab21bc6c566c5464762fbd1f.exe

Verdict:

Malicious activity

Analysis date:

2021-05-20 14:41:44 UTC

Tags:

trojan loader stealer vidar

Link:

https://app.any.run/tasks/b1e94d60-cad7-4910-8661-4a282b3e43d8

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

CryptBot

Link:

https://www.capesandbox.com/analysis/159773/

Detection(s):

Win.Malware.Pwsx-9863541-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the Program Files subdirectories

Launching a process

Sending a UDP request

Creating a file in the %temp% directory

Deleting a recently created file

Creating a file

Delayed reading of the file

Reading critical registry keys

Creating a window

DNS request

Sending an HTTP POST request

Sending an HTTP GET request

Running batch commands

Creating a process with a hidden window

Creating a process from a recently created file

Stealing user critical data

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.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1bf9a15445a908fdcd7d4a5a0584678a1efb086d1eccbf0ae60393f6be208919/

Threat name:

Win32.Trojan.Azorult

Status:

Malicious

First seen:

2021-05-20 11:38:48 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=dp42cvcfveep3tl5jjnalbdhrippwcdnd3gl6cxgaoj7npraremq._file

Verdict:

suspicious

Result

Malware family:

danabot

Score:

10/10

Tags:

family:cryptbot family:danabot botnet:3 banker discovery spyware stealer trojan

Link:

https://tria.ge/reports/210520-p5v12rtbw2/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Modifies registry class

Modifies system certificate store

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

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

Danabot

Malware Config

C2 Extraction:

184.95.51.183:443
184.95.51.175:443
192.210.198.12:443
184.95.51.180:443

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/1bf9a15445a908fdcd7d4a5a0584678a1efb086d1eccbf0ae60393f6be208919

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:	Ping_Del_method_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	cmd ping IP nul del

Rule name:	with_sqlite Create hunting rule
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

exe 1bf9a15445a908fdcd7d4a5a0584678a1efb086d1eccbf0ae60393f6be208919

(this sample)

Cape

https://www.capesandbox.com/analysis/159773/

URLhaus

https://urlhaus.abuse.ch/url/1261250/

Delivery method

Distributed via web download

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-20 16:37:00 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0012.001] Anti-Static Analysis::Argument Obfuscation
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0045] File System Micro-objective::Copy File
4) [C0047] File System Micro-objective::Delete File
5) [C0049] File System Micro-objective::Get File Attributes
6) [C0051] File System Micro-objective::Read File
7) [C0052] File System Micro-objective::Writes File
8) [C0033] Operating System Micro-objective::Console
9) [C0040] Process Micro-objective::Allocate Thread Local Storage
10) [C0043] Process Micro-objective::Check Mutex
11) [C0041] Process Micro-objective::Set Thread Local Storage Value
12) [C0018] Process Micro-objective::Terminate Process
13) [C0039] Process Micro-objective::Terminate Thread