MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bff2b1dd2b8b6b4e09d448eecca556b368db5ea69581d64f7a8201e974d90ef. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 8bff2b1dd2b8b6b4e09d448eecca556b368db5ea69581d64f7a8201e974d90ef
SHA3-384 hash: b18561e990a99f7c2db8fef6cbe16f85f6e38741c4a1f5251e0702ec22335f065c189b94a01919ff712e2125d4062960
SHA1 hash: d150e613032919a2a4da84c26f17bdbe5112f847
MD5 hash: d460614a38afe39ba7ca3fe331c0de53
humanhash: colorado-pip-paris-shade
File name:d460614a38afe39ba7ca3fe331c0de53.exe
Download: download sample
Signature CryptBot
File size:4'459'008 bytes
First seen:2024-12-20 15:07:57 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:Qyre9rGvmZCOyFeiaEaR04Hmmzodu6wFsnjQRMRLQs/Ktv:HqZZC18mcmm6qmmltv
TLSH T16F263371AC88A296C85C63F12D2ACF58F7F31497C3A3F40C3432A15BD561D64A69F86E
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 :
369
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d460614a38afe39ba7ca3fe331c0de53.exe
Verdict:
Malicious activity
Analysis date:
2024-12-20 15:40:52 UTC
Tags:
cryptbot stealer themida antivm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
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
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.
Result
Threat name:
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 Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1578917 Sample: h9CywWZk71.exe Startdate: 20/12/2024 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 h9CywWZk71.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 5 other processes 2->16 process3 dnsIp4 41 httpbin.org 98.85.100.80, 443, 49704 TWC-11351-NORTHEASTUS United States 7->41 43 fivetk5ht.top 185.121.15.192, 49705, 49706, 49709 REDSERVICIOES Spain 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\...\UKzjyWlrjRLOjKNNlNHI.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 19 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 142.250.181.132, 443, 49715 GOOGLEUS United States 28->47
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-12-20 09:18:22 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
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)
Unpacked files
SH256 hash:
e60c4c24d0aa60fc154e30bcd8c1775ed33db7c08620d2a919b84841c2a3e8e8
MD5 hash:
b028a9e4869e03c91608340dcb719f49
SHA1 hash:
3b9992b85a0ae96b449875db660c91f5cad91a58
Detections:
CryptBot
SH256 hash:
8bff2b1dd2b8b6b4e09d448eecca556b368db5ea69581d64f7a8201e974d90ef
MD5 hash:
d460614a38afe39ba7ca3fe331c0de53
SHA1 hash:
d150e613032919a2a4da84c26f17bdbe5112f847
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)

File information


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

Web download

CryptBot

Executable exe 8bff2b1dd2b8b6b4e09d448eecca556b368db5ea69581d64f7a8201e974d90ef

(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

Comments