MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d. 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 4 File information Comments

SHA256 hash: 4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d
SHA3-384 hash: 688f652816ec728141beeddae3fb785212cc37311cd66ec885572a88ba0903d8b30e21218e947c34c4330624a19bc81f
SHA1 hash: 3f5c22c0f4968ea41941c2a24eea0e025da54b7f
MD5 hash: 075fa1c9ab37da504f2ebc0bdb1c5e8b
humanhash: potato-sixteen-fix-green
File name:075fa1c9ab37da504f2ebc0bdb1c5e8b.exe
Download: download sample
Signature CryptBot
File size:4'463'616 bytes
First seen:2024-12-23 06:52:41 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:NAW8GZM0knwmjQgl4jqA4BWtNBhZO6rfwv:Nr8HjQgl4GmhZOfv
TLSH T10726331E8E2E839DC48DF534B238A392BDF4F5D58DA04CE7558CF233249AC417929A96
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 :
359
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
075fa1c9ab37da504f2ebc0bdb1c5e8b.exe
Verdict:
Malicious activity
Analysis date:
2024-12-23 06:59:04 UTC
Tags:
cryptbot stealer themida antivm crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
vmdetect 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 POST request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Result
Verdict:
MALICIOUS
Result
Threat name:
Clipboard Hijacker, Cryptbot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 Clipboard Hijacker
Yara detected Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1579727 Sample: L07oVVY21C.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 9 other signatures 2->55 7 L07oVVY21C.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 service123.exe 2->16         started        process3 dnsIp4 41 fivetk5sb.top 185.121.15.192, 49702, 49708, 49768 REDSERVICIOES Spain 7->41 43 httpbin.org 34.226.108.155, 443, 49700 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 172.217.19.228, 443, 49793, 49794 GOOGLEUS United States 28->47
Threat name:
Win32.Infostealer.Multiverze
Status:
Malicious
First seen:
2024-12-23 06:06:49 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
30 of 37 (81.08%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
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
Unpacked files
SH256 hash:
9c1ba1f10bd3a2a1cb2a95b7c60b30ca1ade6379c0b8f5a1565ce0b7551c2c4c
MD5 hash:
f1e53f32cd30948cd7b38e641ec7df13
SHA1 hash:
95eba745652420cd48875232149547cd72aafe60
Detections:
CryptBot
SH256 hash:
4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d
MD5 hash:
075fa1c9ab37da504f2ebc0bdb1c5e8b
SHA1 hash:
3f5c22c0f4968ea41941c2a24eea0e025da54b7f
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

CryptBot

Executable exe 4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d

(this sample)

  
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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