MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579
SHA3-384 hash: 5585ceae2cec17a4af7bfab1e4419647dc104d6d0899bcd03bbc88d0a9af6693acfc485707fe3d59cc003ee4dbda8bf9
SHA1 hash: 2fc5f42c5bb44566198a2069eb11327043216689
MD5 hash: 4b7a502ea349a1138dabc95986ae5f01
humanhash: fix-leopard-pluto-bulldog
File name:4b7a502ea349a1138dabc95986ae5f01.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'460'032 bytes
First seen:2024-12-23 16:14:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 98304:VsA3f3OQ4tskTO2+947Yxgm9cHW6WwCOTHG3p1k2:H3OD3Zr7Ugm9cgom
TLSH T11026335A63258FF2D6527A346700760254CCF54A17C9AC33AB682F38E4FBA473A3DD52
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 :
1
# of downloads :
397
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4b7a502ea349a1138dabc95986ae5f01.exe
Verdict:
Malicious activity
Analysis date:
2024-12-23 16:35:47 UTC
Tags:
cryptbot stealer antivm themida
Link:
https://app.any.run/tasks/f426097a-5afe-48f8-a9d3-deffe1b32c72

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Zusy.568294.14264.30068.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67698c9975bf3268d2fde986
Tags:
autorun spawn shell sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Sending an HTTP POST request
Sending an HTTP GET request
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/67698c910d9e75e272897d32/reports/750cb79a-d0bc-41f4-a71a-1841c0a2428f/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579
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/58333b46-a74d-4b41-9dbe-26d6f2ef1a40
Result
Threat name:
Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1579971
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Drops large PE files
Found malware configuration
Hides threads from debuggers
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sigma detected: Suspicious Scheduled Task Creation Involving Temp Folder
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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Cryptbot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1579971 Sample: LAgA8hypaN.exe Startdate: 23/12/2024 Architecture: WINDOWS Score: 100 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 8 other signatures 2->55 7 LAgA8hypaN.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 4 other processes 2->16 process3 dnsIp4 41 fivetk5sb.top 185.121.15.192, 49731, 49732, 49739 REDSERVICIOES Spain 7->41 43 httpbin.org 34.226.108.155, 443, 49730 AMAZON-AESUS United States 7->43 45 2 other IPs or domains 7->45 35 C:\Users\user\AppData\...\service123.exe, PE32 7->35 dropped 37 C:\Users\user\...\CaHNbeclRGcBxNSvHjFX.dll, PE32 7->37 dropped 57 Attempt to bypass Chrome Application-Bound Encryption 7->57 59 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->59 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->61 63 8 other signatures 7->63 18 WerFault.exe 21 16 7->18         started        21 chrome.exe 7->21         started        24 schtasks.exe 1 7->24         started        26 service123.exe 7->26         started        file5 signatures6 process7 dnsIp8 33 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->33 dropped 39 239.255.255.250 unknown Reserved 21->39 28 chrome.exe 21->28         started        31 conhost.exe 24->31         started        file9 process10 dnsIp11 47 www.google.com 142.250.181.68, 443, 49749 GOOGLEUS United States 28->47
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579/
Threat name:
Win32.Infostealer.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2024-12-23 14:34:43 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ibjxvjrkjfe22e32as6pvlyv5fddjlx7w7ee5i2nyqb7r6m4ov4q._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Link:
https://tria.ge/reports/241223-tp87psvjhj/
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:
suspicious_post_body
YARA:
n/a
Link:
https://app.threat.zone/submission/e8d986b7-76ab-49ef-a82b-9fbc19834140
Unpacked files
SH256 hash:
cc382fae14b572f20afb96cbb2bf64d45f389115af90f6bb7e790952c6bbc83f
MD5 hash:
cd1faf9e85a82502a1be7a2723498644
SHA1 hash:
a2e85293b4b34a25f9468044a0bc2258c5e17bc7
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/0ca68331-b3c6-4fc2-abb1-226448379112/
SH256 hash:
40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579
MD5 hash:
4b7a502ea349a1138dabc95986ae5f01
SHA1 hash:
2fc5f42c5bb44566198a2069eb11327043216689
Link:
https://www.unpac.me/results/0ca68331-b3c6-4fc2-abb1-226448379112/
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/40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579

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

Executable exe 40537aa62a4949ad137a04bcfaaf15e94634aeffb7c84ea34dc403f8f99c7579

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3331763/
  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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