MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b571064c090d5a6b22aecf6df5a534bf2481c0d77962369c6c4fb1500c1ad47e. 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: 12

Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash:	b571064c090d5a6b22aecf6df5a534bf2481c0d77962369c6c4fb1500c1ad47e
SHA3-384 hash:	4ad10e0882b6b5d1ee2e469231adfa7e6510ba43f85fe251d96ec7ea118a4b018374ee04e8f15583cf60f4fa6350a347
SHA1 hash:	8c80da0f5e93622c881e82693715cc81927684fe
MD5 hash:	b6aa4b3886f2272b307df8dee7426a4f
humanhash:	robin-william-alaska-low
File name:	b6aa4b3886f2272b307df8dee7426a4f.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	4'480'512 bytes
First seen:	2024-12-20 15:04:18 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	98304:5R5O5EL5UyXsVwLEKx8pUcNEExPX1eGBqUoWWeTKWcXcouisWn/dPCvQ:5REElBwwoCb6vlFjcWWqKZsouiRnVsQ
TLSH	T1A4263314CD06F9CBE66D4E71102FC9A2E1896A296B30A53F3F110BB3B7951AC3F2655C
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 :

319

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-12-20 12:10:43 UTC

Tags:

amadey botnet stealer loader cryptbot lumma github telegram stealc gcleaner credentialflusher auto coinminer themida arch-exec antivm

Link:

https://app.any.run/tasks/8e61c02e-f1d5-414e-a92f-17fd0d743601

Note:

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

Detection(s):

SecuriteInfo.com.Variant.Zusy.568294.16481.23675.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=676587ac75bf3268d2fd382b

Tags:

phishing autorun

Result

Verdict:

Clean

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Searching for the window

DNS request

Connection attempt

Sending a custom TCP request

Creating a window

Sending an HTTP GET request

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed packed packer_detected

Link:

https://www.filescan.io/uploads/676587a6bda68b1c35283fd1/reports/6b3b7592-f2de-449e-bad1-1f72ae528cae/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/b571064c090d5a6b22aecf6df5a534bf2481c0d77962369c6c4fb1500c1ad47e

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/1b37a762-029c-4074-94c0-e290596c5369

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1578895

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

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/b571064c090d5a6b22aecf6df5a534bf2481c0d77962369c6c4fb1500c1ad47e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b571064c090d5a6b22aecf6df5a534bf2481c0d77962369c6c4fb1500c1ad47e/

Threat name:

Win32.Infostealer.Tinba

Status:

Malicious

First seen:

2024-12-20 12:40:54 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wvyqmtajbvngwivoz5w7ljjux4sidqgxpfrdnhdmj6yvada22r7a._file

Result

Malware family:

n/a

Score:

9/10

Tags:

discovery evasion

Link:

https://tria.ge/reports/241220-sf66bayngr/

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)

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/7c6110a2-3097-4358-afeb-aa2ae91d4369

Unpacked files

SH256 hash:

e8438573c689fb0624d71c2d4c57ce1c4ddcb62634861fd1ea2a4693006022fc

MD5 hash:

162433c3080573a0b92aab0dd7cf7a9b

SHA1 hash:

1dd217679c3d2291b38276cf5e788ffd1fed12e5

Detections:

CryptBot

Link:

https://www.unpac.me/results/80c26d67-2269-4c49-83d7-327c615c9f5c/

SH256 hash:

b571064c090d5a6b22aecf6df5a534bf2481c0d77962369c6c4fb1500c1ad47e

MD5 hash:

b6aa4b3886f2272b307df8dee7426a4f

SHA1 hash:

8c80da0f5e93622c881e82693715cc81927684fe

Link:

https://www.unpac.me/results/80c26d67-2269-4c49-83d7-327c615c9f5c/

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:	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)

File information

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

Web download

CryptBot

exe b571064c090d5a6b22aecf6df5a534bf2481c0d77962369c6c4fb1500c1ad47e

(this sample)

URLhaus

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

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3310377/

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

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