MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac. 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: 16

Intelligence 16 IOCs YARA 14 File information Comments

SHA256 hash:	3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac
SHA3-384 hash:	88c9142d12dba22ff9a947f3994bb68dc3a15ac6ea317498c430c2568ec4c06bf9cf0723f21b697e9fbfcf4cd9a5372d
SHA1 hash:	4d67aef52ca4ff56130990bd789ba99887e8094f
MD5 hash:	368e676306818d9266f0d4948e0eb541
humanhash:	friend-fix-oranges-nineteen
File name:	random.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	6'605'312 bytes
First seen:	2025-02-15 16:22:27 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:yuDuKIqCMOWkhl9mPIiyZlpVbawv+MqdEjDYPVakdiNV2:5DuK7XOWXDyZlbVoVasiG
Threatray	662 similar samples on MalwareBazaar
TLSH	T14F66BFA2E50AB2CBD68F27BC9963CD81591D43B9871149C3E8BC74BF6E67DC012B5C24
TrID	25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 19.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.1% (.EXE) Win32 Executable (generic) (4504/4/1) 7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23) 7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
Reporter	aachum
Tags:	CryptBot exe

iamaachum

http://185.215.113.75/files/martin1/random.exe

CryptBot Botnet: 5
CryptBot C2: http://home.fivejj5sr.top/fWukggcxTlVTnBnJjsCp17

Intelligence

File Origin

# of uploads :

# of downloads :

435

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

http://185.215.113.209/soka/random.exe

Verdict:

Malicious activity

Analysis date:

2025-02-15 15:49:09 UTC

Tags:

amadey botnet stealer stealc loader cryptbot lumma exfiltration povertystealer lumar gcleaner tas17 xenorat rat tofsee auto generic arch-exec github smtp miner asyncrat remote ransomware telegram pastebin themida pythonstealer systembc proxyware qrcode python credentialflusher antivm ahk screenconnect

Link:

https://app.any.run/tasks/ffb27cdf-61cc-4864-8f47-904f1ebcfa4d

Note:

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

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67b0bffa28ab76d43a5b0cb0

Tags:

shellcode virus

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

DNS request

Connection attempt

Sending a custom TCP request

Creating a window

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac

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/d4016aea-b572-49bc-9fde-e485d757b554

Result

Threat name:

Cryptbot

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1615895

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Found malware configuration

Hides threads from debuggers

Infostealer behavior detected

Joe Sandbox ML detected suspicious sample

Leaks process information

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Suricata IDS alerts for network traffic

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)

Yara detected Cryptbot

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac/

Threat name:

Win32.Trojan.Amadey

Status:

Malicious

First seen:

2025-02-15 16:22:48 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 37 (64.86%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=hp2f3hq2jfeeoxmhodyu2uh46it6wycij6es7kyerfxjlqlp5cwa._file

Verdict:

malicious

Label(s):

cryptbot

Result

Malware family:

cryptbot

Score:

10/10

Tags:

family:cryptbot defense_evasion discovery spyware stealer

Link:

https://tria.ge/reports/250215-tvmwnatmb1/

Behaviour

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks installed software on the system

Checks BIOS information in registry

Identifies Wine through registry keys

Downloads MZ/PE file

Enumerates VirtualBox registry keys

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

CryptBot

Cryptbot family

Malware Config

C2 Extraction:

http://home.fivejj5sr.top/fWukggcxTlVTnBnJjsCp17

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/f0f851a0-2314-4a34-8ceb-42231ae25e95

Unpacked files

SH256 hash:

3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac

MD5 hash:

368e676306818d9266f0d4948e0eb541

SHA1 hash:

4d67aef52ca4ff56130990bd789ba99887e8094f

Link:

https://www.unpac.me/results/fbee15d6-9288-434c-8ceb-95ee5afba2d5/

SH256 hash:

e403b305c7d18629190f2cf6b8760c81ac8246c77b2fc0ef63a2578a8b3d0fed

MD5 hash:

4892cdfb82ffbc098a7efb7a1cc5286f

SHA1 hash:

02354643b88613accc1d5e2cb848cb448b2bd97c

Detections:

CryptBot

Link:

https://www.unpac.me/results/fbee15d6-9288-434c-8ceb-95ee5afba2d5/

Malware family:

CryptBot.v4

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3bf45d9e1a49/report/overview.html

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/3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	reverse_http Create hunting rule
Author:	CD_R0M_
Description:	Identify strings with http reversed (ptth)

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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:	test_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

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

Rule name:	WHIRLPOOL_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for WhirlPool constants

File information

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

Web download

CryptBot

exe 3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac

(this sample)

Link

https://tria.ge/250215-tnb6kstley/

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3434381/

URLhaus

https://urlhaus.abuse.ch/url/3435925/

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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