MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 640e544c960828067a6cedb824bd601e94ff11c3aa09d8077ba6c93972467b19. 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 4 File information Comments

SHA256 hash: 640e544c960828067a6cedb824bd601e94ff11c3aa09d8077ba6c93972467b19
SHA3-384 hash: 2ad942a87ba3c8ca1d7bceb9222512bda71bd742a26a9996d8e8ff5ad96cb99612e05137504aa594c88852a32b7619ef
SHA1 hash: ee2f50603ab07f5f2f2a10aaaed88a69c696ce32
MD5 hash: f12995bb7df7dff1e9e017fbcfd982eb
humanhash: seven-one-sierra-lithium
File name:file.exe
Download: download sample
Signature CryptBot
File size:538'152 bytes
First seen:2023-04-21 15:27:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:fqNjNoqNh3pdmR5wLciCkFFQx2EAjOBbbZ5xFdt7lbCb2OXkhU+ghYw1IOq:fqNjNYRAFFJhO5xCb2OXk6t14
Threatray 1 similar samples on MalwareBazaar
TLSH T1AAB4F372B64995C1CD89617091820EE54AF21C073443D789A8E5FB026CE6BFEED1E1FE
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon a8e8b596e6cadaf2 (2 x Vidar, 2 x RedLineStealer, 1 x CryptBot)
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
303
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-04-21 15:29:44 UTC
Tags:
stealer cryptbot opendir

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Connecting to a non-recommended domain
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %temp% directory
DNS request
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process from a recently created file
Searching for analyzing tools
Searching for the window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer overlay packed
Result
Verdict:
UNKNOWN
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:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Uses known network protocols on non-standard ports
Very long command line found
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-21 13:26:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot evasion spyware stealer themida trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Themida packer
Blocklisted process makes network request
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Malware Config
C2 Extraction:
http://fygqwg52.top/gate.php
Unpacked files
SH256 hash:
640e544c960828067a6cedb824bd601e94ff11c3aa09d8077ba6c93972467b19
MD5 hash:
f12995bb7df7dff1e9e017fbcfd982eb
SHA1 hash:
ee2f50603ab07f5f2f2a10aaaed88a69c696ce32
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_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments