MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acf5a0702538d69871c917a13a45effbcc2dd9161578b270a6b56f8447062dbf. 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 1

SHA256 hash:	acf5a0702538d69871c917a13a45effbcc2dd9161578b270a6b56f8447062dbf
SHA3-384 hash:	370dee1366d4ac507dc7676a6d05fa4d122c83d79c567e0931fd433c0db8d1ac7a0fc38059e549e36a46b156a1263d4f
SHA1 hash:	5b52a1c1775fa6de222eb1ab74e1e2727bdcfa22
MD5 hash:	133e64e417a18aa63318a7568506f612
humanhash:	ten-ink-maine-comet
File name:	acf5a0702538d69871c917a13a45effbcc2dd9161578b.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	761'856 bytes
First seen:	2021-05-05 10:45:53 UTC
Last seen:	2021-05-05 11:02:37 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	3f0bb6d287b9e16ba7a6d818a8a26ed6 (1 x CryptBot)
ssdeep	12288:w+9LtXJi3L2mdQAom+LOCIblgBEoNEZT3ho+6ov5d9bzmr:vlo36mdQzm+LJIBgOq6Tq5m9bzy
Threatray	106 similar samples on MalwareBazaar
TLSH	33F41221F180C0B6EC5355768828D7B54FAA7C6215162A7F2BDC7EFAEF34282B91530D
Reporter	abuse_ch
Tags:	CryptBot exe

abuse_ch

CryptBot C2:
http://morczs02.top/index.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://morczs02.top/index.php	https://threatfox.abuse.ch/ioc/29090/
http://eostco22.top/index.php	https://threatfox.abuse.ch/ioc/29091/

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

CryptBot

Link:

https://www.capesandbox.com/analysis/150391/

Detection(s):

SecuriteInfo.com.Dropper.Generic.VZR.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS 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

Launching the default Windows debugger (dwwin.exe)

Creating a window

Sending a UDP request

Connection attempt

Sending an HTTP POST request

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.

Result

Threat name:

Cryptbot

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/711818

Signature

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Tries to harvest and steal browser information (history, passwords, etc)

Yara detected Cryptbot

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/acf5a0702538d69871c917a13a45effbcc2dd9161578b270a6b56f8447062dbf/

Threat name:

Win32.Trojan.Graftor

Status:

Malicious

First seen:

2021-05-04 20:10:05 UTC

AV detection:

16 of 28 (57.14%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vt22a4bfhdljq4ojc6qturpp7pgc3wiwcv4le4fgwvxyirygfw7q._file

Verdict:

malicious

Result

Malware family:

cryptbot

Score:

10/10

Tags:

family:cryptbot discovery spyware stealer

Link:

https://tria.ge/reports/210505-m888enhtxj/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Program crash

Checks installed software on the system

Reads user/profile data of web browsers

CryptBot

CryptBot Payload

Suspicious use of NtCreateProcessExOtherParentProcess

Unpacked files

SH256 hash:

eb4221af4cd20d02a43613e8e5b7a511e951b72498f44516c50f07d56260cbb8

MD5 hash:

71278ab8642218bf69c9e898533420e0

SHA1 hash:

e9bd2bd730c31dfe7f62bdcf5c0b44f64b178585

Link:

https://www.unpac.me/results/3c87c12d-eec8-4d82-9d6e-40f2bab9101d/

SH256 hash:

acf5a0702538d69871c917a13a45effbcc2dd9161578b270a6b56f8447062dbf

MD5 hash:

133e64e417a18aa63318a7568506f612

SHA1 hash:

5b52a1c1775fa6de222eb1ab74e1e2727bdcfa22

Link:

https://www.unpac.me/results/3c87c12d-eec8-4d82-9d6e-40f2bab9101d/

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 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.

Cape

https://www.capesandbox.com/analysis/150391/

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-05 11:08:50 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0049] File System Micro-objective::Get File Attributes
4) [C0051] File System Micro-objective::Read File
5) [C0052] File System Micro-objective::Writes File
6) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
7) [C0040] Process Micro-objective::Allocate Thread Local Storage
8) [C0041] Process Micro-objective::Set Thread Local Storage Value
9) [C0018] Process Micro-objective::Terminate Process