MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798. 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: 15

Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash:	71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798
SHA3-384 hash:	960e71a12787c056d6af8032d03d34da2341f86c0224c8c57356319d754ec39357d6c6b7eacfa24d1a0fbc9babeec438
SHA1 hash:	3f83a7beba10482293899728cd505775f250c25f
MD5 hash:	91d22c615a675708fad7ddb68a64cf3f
humanhash:	gee-connecticut-xray-fish
File name:	91d22c615a675708fad7ddb68a64cf3f.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	4'522'496 bytes
First seen:	2024-12-27 07:39:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	98304:amOieu7Ainw0RHGRsjjE7oi/9NDm9JV/8nF8XV+TteZ:amOieIAiFmRsjjMomNDBnbhe
TLSH	T1732633901E8E99B3C256DD7D621340A2AC898FBB1B513A84AD817F24CE17DF439F7C85
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.5% (.EXE) Win32 Executable (generic) (4504/4/1) 8.4% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	abuse_ch
Tags:	CryptBot exe

Intelligence

File Origin

# of uploads :

# of downloads :

388

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

91d22c615a675708fad7ddb68a64cf3f.exe

Verdict:

Malicious activity

Analysis date:

2024-12-27 08:00:10 UTC

Tags:

cryptbot stealer antivm themida crypto-regex

Link:

https://app.any.run/tasks/c51853ae-07a6-4b32-8ca3-3f385fbda4cd

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.DownLoader47.61259.9403.7853.UNOFFICIAL

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=676e59e68a4d48ee35fff1d8

Tags:

vmdetect phishing

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Searching for the window

Connection attempt to an infection source

Creating a window

DNS request

Connection attempt

Sending an HTTP POST request

Query of malicious DNS domain

Sending a TCP request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm crypto packed packed packer_detected

Link:

https://www.filescan.io/uploads/676e59dd0020a55afdf1787f/reports/a0067813-5a21-42eb-b4ad-ba5270e445a5/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798

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.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/837b5f67-0bac-4a78-b292-2b5b41082eae

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1581253

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Detected unpacking (changes PE section rights)

Hides threads from debuggers

Infostealer behavior detected

Leaks process information

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Potentially malicious time measurement code found

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798/

Threat name:

Win32.Trojan.CryptBot

Status:

Malicious

First seen:

2024-12-26 19:27:33 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

26 of 37 (70.27%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=og7ohfg2n2c5xqvr2zqn2ikti2r2sv6pfk5evm6vawue675re6ma._file

Result

Malware family:

cryptbot

Score:

10/10

Tags:

family:cryptbot discovery evasion spyware stealer

Link:

https://tria.ge/reports/241227-jhl4gssrfz/

Behaviour

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks installed software on the system

Checks BIOS information in registry

Identifies Wine through registry keys

Enumerates VirtualBox registry keys

Identifies VirtualBox via ACPI registry values (likely anti-VM)

CryptBot

Cryptbot family

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/b1f6b38e-a9ec-43f2-830e-059b253429b2

Unpacked files

SH256 hash:

4dca142e3e4e9a21dbe6222beb4b6535713754746b02b31c1ecfd3d07aa1cde2

MD5 hash:

a2cfc3e9f28ba926187e4deb2d8f389f

SHA1 hash:

b8e5ad0bab1e847a0601829c89ff3f5a9f7cafce

Detections:

CryptBot

Link:

https://www.unpac.me/results/f4b371fc-9c8f-4909-8aff-3a59f331fb5b/

SH256 hash:

71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798

MD5 hash:

91d22c615a675708fad7ddb68a64cf3f

SHA1 hash:

3f83a7beba10482293899728cd505775f250c25f

Link:

https://www.unpac.me/results/f4b371fc-9c8f-4909-8aff-3a59f331fb5b/

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/71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798

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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

CryptBot

exe 71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3346525/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3331763/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample