MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4420b07cff76b9f623b1e9ed3957d708769a744f245e27fb3b1e44cdc67eb35. 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:	e4420b07cff76b9f623b1e9ed3957d708769a744f245e27fb3b1e44cdc67eb35
SHA3-384 hash:	26dd5f6e00b51e16138008984c0b5d408bf15086680fe6dfce9d58d9f5b0df1260e2ca61b733f75e1b0cd19ec2db1bd2
SHA1 hash:	3bbc68098e4080f656c7f92147a54d05d18e1277
MD5 hash:	1d057672840921889505863b33e87671
humanhash:	iowa-montana-coffee-south
File name:	1d057672840921889505863b33e87671.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	4'436'480 bytes
First seen:	2024-12-20 15:07:43 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:B4PLy6XyZ1/zueq6LPtQ+IJU/Wxafa8Q8dTrVaLgZqyf+aCGxqGqE31y:2umi7ueq1HiqafFQmVBkG4O
TLSH	T1952633E5AA2FD26DC4FB1B74C2EBAA181D89107539C009B58E8B7059C82FE70D7B1974
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 :

361

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1d057672840921889505863b33e87671.exe

Verdict:

Malicious activity

Analysis date:

2024-12-20 15:48:22 UTC

Tags:

cryptbot stealer themida antivm

Link:

https://app.any.run/tasks/8ac07f61-eaba-4ab7-9def-cc9c23094b5e

Note:

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

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.23319.98.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6765886575bf3268d2fd3a3a

Tags:

autorun virus sage zusy

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

Sending an HTTP POST request

Sending an HTTP GET request

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed packed packer_detected

Link:

https://www.filescan.io/uploads/676588598134167603962bc4/reports/9c7155e8-3de2-41d6-8ad0-1bceb4bd96b3/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/e4420b07cff76b9f623b1e9ed3957d708769a744f245e27fb3b1e44cdc67eb35

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/2ca02491-0dff-4c24-8fb1-54401cfa6b0c

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1578919

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/e4420b07cff76b9f623b1e9ed3957d708769a744f245e27fb3b1e44cdc67eb35

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e4420b07cff76b9f623b1e9ed3957d708769a744f245e27fb3b1e44cdc67eb35/

Threat name:

Win32.Trojan.Amadey

Status:

Malicious

First seen:

2024-12-20 07:53:35 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=4rbawb6p65vz6yr3d2pnhfl5ocdwtj2e6jc6e75twhsezxdh5m2q._file

Result

Malware family:

cryptbot

Score:

10/10

Tags:

family:cryptbot discovery evasion spyware stealer

Link:

https://tria.ge/reports/241220-shx1esypek/

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:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/249d1ea3-78fe-4acd-8cd6-d615020cece8

Unpacked files

SH256 hash:

ac60a829ca4fba8d4e92c41b544598d6ef7899e4cb44b29695d92f97970adc36

MD5 hash:

94a7f8dc93ba48f589568ff7cb5a1420

SHA1 hash:

1e075539889ff7ec7d9c89b49cfb56cb54548162

Detections:

CryptBot

Link:

https://www.unpac.me/results/6ec0b7db-92e0-4093-8754-f992144972c0/

SH256 hash:

e4420b07cff76b9f623b1e9ed3957d708769a744f245e27fb3b1e44cdc67eb35

MD5 hash:

1d057672840921889505863b33e87671

SHA1 hash:

3bbc68098e4080f656c7f92147a54d05d18e1277

Link:

https://www.unpac.me/results/6ec0b7db-92e0-4093-8754-f992144972c0/

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 e4420b07cff76b9f623b1e9ed3957d708769a744f245e27fb3b1e44cdc67eb35

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3331766/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3346450/

URLhaus

https://urlhaus.abuse.ch/url/3308639/

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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