MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d. 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 13 File information Comments

SHA256 hash:	3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d
SHA3-384 hash:	af20c04e83e5a8ca3957a18d1ec74424b5891f14e40c703487bd664dd291af53890c656ee49875127e373c933f3a240f
SHA1 hash:	83df12db33d73c193a1df1056bbde38cc4f6d210
MD5 hash:	2149b9148cb557c34c21d866b501ac98
humanhash:	alanine-mexico-nitrogen-six
File name:	SecuriteInfo.com.Variant.Zusy.579171.12261.17240
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	6'593'536 bytes
First seen:	2025-02-11 11:10:11 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:Kxa1T8awJOxxbdOC3j1trIy9TI967Xtlkxp33GHG7bW0smSL:Ks1A5UxxBbj1trH9TI9n36WbW0
TLSH	T10066CF92B486F6CFD4CB12749023CF4A691D47BA87254CCBA82D74BBBD63CC119B5C29
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	SecuriteInfoCom
Tags:	CryptBot exe

Intelligence

File Origin

# of uploads :

# of downloads :

450

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

http://185.215.113.16/luma/random.exe

Verdict:

Malicious activity

Analysis date:

2025-02-11 10:45:39 UTC

Tags:

lumma stealer loader stealc amadey botnet cryptbot gcleaner auto generic credentialflusher autoit telegram vidar arch-exec tofsee redline lefthook smoke github themida phoenixstealer alfonsostealer hunterstealer evasion rat quasar remote asyncrat websocket opendir antivm ahk

Link:

https://app.any.run/tasks/8a4118cf-6d87-4839-91ea-2e8c3a9a5f78

Note:

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

Detection(s):

SecuriteInfo.com.Variant.Zusy.579171.12261.17240.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67ab3065f667f46cd182ff5b

Tags:

shellcode vmdetect virus zusy

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 POST request

Sending an HTTP GET request

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm anti-vm crypt crypto evasive fingerprint obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/67ab4d542a6db36be2357381/reports/3605c5c5-ee9c-456b-a892-8b0d4e4bd078/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d

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/ba60e44f-0026-4e3b-8e67-a12a4badd303

Result

Threat name:

Cryptbot

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1611989

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

Machine Learning detection for sample

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/3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d/

Threat name:

Win32.Infostealer.Tinba

Status:

Malicious

First seen:

2025-02-11 10:09:57 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ho3yu2id3gpsrw63bhn3imt2uyfb42l526nhjjftkdqjqts7z6gq._file

Verdict:

malicious

Label(s):

cryptbot

Similar samples:

error

CryptBot

Result

Malware family:

cryptbot

Score:

10/10

Tags:

family:cryptbot defense_evasion discovery spyware stealer

Link:

https://tria.ge/reports/250211-m9wc1svqgj/

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

Malware Config

C2 Extraction:

http://home.fivepp5sb.top/joLepLgSzIBRhlkJbQYx17

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/bbe6a0a6-4f3e-4f95-b028-42bf8e8b8cca

Unpacked files

SH256 hash:

3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d

MD5 hash:

2149b9148cb557c34c21d866b501ac98

SHA1 hash:

83df12db33d73c193a1df1056bbde38cc4f6d210

Link:

https://www.unpac.me/results/764de462-9c89-4620-967d-f70ff392abde/

SH256 hash:

6d297b37579cdba55a4b61c41f269d120a3851bb79085d52282de566cf54ac85

MD5 hash:

949d653d8131c45f313441452d35d125

SHA1 hash:

73276830f7eb3e0c85b79a01609b0279177036c3

Detections:

CryptBot

Link:

https://www.unpac.me/results/764de462-9c89-4620-967d-f70ff392abde/

Malware family:

CryptBot.v4

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3bb78a6903d9/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/3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d

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 3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d

(this sample)

URLhaus

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

Delivery method

Distributed via web download

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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