MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c73f243b6866c04921ce7849a391cb62326908f6f894550a6ea8234e5776703c. 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 7 File information Comments

SHA256 hash: c73f243b6866c04921ce7849a391cb62326908f6f894550a6ea8234e5776703c
SHA3-384 hash: 6ce753f715e3e7cb0b04a6b894bba7798e44c11eec831c4694ea488f9795be8807364527bb14dd21e2fd543d19b48ef4
SHA1 hash: ddf2e207fff8a46d38da26231086203e546bb866
MD5 hash: 243fc7bd91c9718a35f0d32303055695
humanhash: hydrogen-finch-music-single
File name:243fc7bd91c9718a35f0d32303055695.exe
Download: download sample
Signature CryptBot
File size:6'658'150 bytes
First seen:2024-08-31 13:46:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 92a00f4d0a4448266e9c638fdb1341b9 (97 x CryptBot, 1 x NetSupport, 1 x LummaStealer)
ssdeep 98304:4qE04R3Feh9fKKWJ8tuhGr5QPg0f9KbQfD64aKCfI2L/nI:odFevKuGIfz/nI
TLSH T1C266173A9B4345C8C13F657ADC927F3FF4286AE84369892B6C0508FCA755795E8AD303
TrID 32.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
20.5% (.EXE) Win64 Executable (generic) (10523/12/4)
12.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
9.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
384
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
09c9f5dd4b42e1d5ba09d436c60afd9385a2972eb37cee2e9f74f3e82cbbb7e7
Verdict:
Malicious activity
Analysis date:
2024-08-30 22:31:54 UTC
Tags:
amadey botnet stealer loader metastealer redline stealc themida cryptbot lumma deerstealer opendir crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Network Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending an HTTP POST request
Creating a window
Reading critical registry keys
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug evasive explorer lolbin overlay shell32
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:
Clipboard Hijacker, Cryptbot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Drops large PE files
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Clipboard Hijacker
Yara detected Cryptbot
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-08-30 21:05:20 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Unpacked files
SH256 hash:
c73f243b6866c04921ce7849a391cb62326908f6f894550a6ea8234e5776703c
MD5 hash:
243fc7bd91c9718a35f0d32303055695
SHA1 hash:
ddf2e207fff8a46d38da26231086203e546bb866
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:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks

File information


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

Web download

CryptBot

Executable exe c73f243b6866c04921ce7849a391cb62326908f6f894550a6ea8234e5776703c

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::GetTempPathA

Comments