MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88d72c7267e4bd769e27280525a6de98fd5c9e1689f2d91e1fc818b868b348f8. 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: 8

Intelligence 8 IOCs 1 YARA 6 File information Comments 1

SHA256 hash:	88d72c7267e4bd769e27280525a6de98fd5c9e1689f2d91e1fc818b868b348f8
SHA3-384 hash:	099622f9b8e2214b6aa73cbb735050f7dc439d120bc85cf13a54c05350558221ee37106d6935f3a287ff3965ca33c4f4
SHA1 hash:	dce9ff4751b9f65eb7614d389188ff1f4aca885c
MD5 hash:	39af410be83df2ea318ff40ebd292201
humanhash:	floor-fruit-muppet-burger
File name:	88d72c7267e4bd769e27280525a6de98fd5c9e1689f2d.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	802'304 bytes
First seen:	2021-05-06 21:31:14 UTC
Last seen:	2021-05-06 22:02:42 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f7ec5170de034aa3644c4457a2b957d4 (5 x RaccoonStealer, 2 x Stop, 1 x DanaBot)
ssdeep	12288:GaH0WYXfBRawMRw54VmaPodGGon8tefXTASqnuSg+BlHCzmr:Gg0jvTzMRlsxGG7tePcS2uqlHCzy
Threatray	63 similar samples on MalwareBazaar
TLSH	13050221B544C4B5ED1714724C11EBB08E6A786616715ABB3BCC3AB9EF383C1BA2534F
Reporter	abuse_ch
Tags:	CryptBot exe

abuse_ch

CryptBot C2:
http://morlrq04.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://morlrq04.top/index.php	https://threatfox.abuse.ch/ioc/30619/

Intelligence

File Origin

# of uploads :

# of downloads :

107

Origin country :

n/a

Vendor Threat Intelligence

Detection:

CryptBot

Link:

https://www.capesandbox.com/analysis/151964/

Detection(s):

SecuriteInfo.com.Dropper.Generic.VZR.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

Launching the default Windows debugger (dwwin.exe)

Creating a window

DNS request

Connection attempt

Sending an HTTP POST request

Running batch commands

Creating a process with a hidden window

Launching a process

Stealing user critical data

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:

Cryptbot

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/714885

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)

Tries to harvest and steal ftp login credentials

Yara detected Cryptbot

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/88d72c7267e4bd769e27280525a6de98fd5c9e1689f2d91e1fc818b868b348f8/

Threat name:

Win32.Packed.Generic

Status:

Suspicious

First seen:

2021-05-06 18:54:00 UTC

AV detection:

18 of 29 (62.07%)

Threat level:

1/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rdlsy4th4s6xnhrhfacsljw6td6vzhqwrhznshq7zamlq2ftjd4a._file

Verdict:

unknown

Result

Malware family:

cryptbot

Score:

10/10

Tags:

family:cryptbot discovery spyware stealer

Link:

https://tria.ge/reports/210506-zvrvvhcrrx/

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:

0ec62de9907d2c7c19cb88051a3d85fdd34eacbac6c7ff985c97d1e4a6ac2c4e

MD5 hash:

f9d9a4a2f8097c9e6abc54886f6137e3

SHA1 hash:

8c2ea44c0b61b57cc2cf76188bbc6a321fcc7c55

Link:

https://www.unpac.me/results/53c8b06f-d8d3-40bb-833e-e7b0a3073e2d/

SH256 hash:

88d72c7267e4bd769e27280525a6de98fd5c9e1689f2d91e1fc818b868b348f8

MD5 hash:

39af410be83df2ea318ff40ebd292201

SHA1 hash:

dce9ff4751b9f65eb7614d389188ff1f4aca885c

Link:

https://www.unpac.me/results/53c8b06f-d8d3-40bb-833e-e7b0a3073e2d/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/88d72c7267e4bd769e27280525a6de98fd5c9e1689f2d91e1fc818b868b348f8

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/151964/

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-06 22:02:12 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
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) [C0052] File System Micro-objective::Writes File
5) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
6) [C0040] Process Micro-objective::Allocate Thread Local Storage
7) [C0041] Process Micro-objective::Set Thread Local Storage Value
8) [C0018] Process Micro-objective::Terminate Process