MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f59b48307fc2ed62249e5a22b398fb7a042bf89289fb023639d768f2c3d8589a. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments

SHA256 hash: f59b48307fc2ed62249e5a22b398fb7a042bf89289fb023639d768f2c3d8589a
SHA3-384 hash: ea7c843d215901ba57d75e02ac2587a8e8e38bec778825a93316f26890acb480a3059c23fcf9bc437184cf74a1581b4b
SHA1 hash: fe8e93888d8e6e0abab8dd2c9e6afe7f5651b487
MD5 hash: 89a998ac1b911b81ed99f31c142120ea
humanhash: ceiling-item-alaska-pasta
File name:Set-up.exe
Download: download sample
Signature CryptBot
File size:6'651'042 bytes
First seen:2024-09-21 13:48:23 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 49152:5+NIeH48HXuYY1IQrzJiC4NrNqjow9VJdTlHgFGCOVz6+CTowvU/fXc/YQf2JIuY:dXiQjP9ndTlHgFGBVz6dswvUH9i7O2
TLSH T14A66F63A9B4345C9C13FB57ADC827F3FF5286AE84369491BAC0508BCA755391E8AD313
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 aachum
Tags:ClipboardHijacker CryptBot exe NetSupport


Avatar
iamaachum
https://rars-freeload.com/vers01.0011/ => https://mega.nz/file/VVRHHbbQ#wwRBTmPGnGouKw_SMb7YiCIDCZ3VPpjAlOmRrnowruE

CryptBot C2: http://elevenvf11pt.top/v1/upload.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
395
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Set-up.exe
Verdict:
Malicious activity
Analysis date:
2024-09-21 13:44:36 UTC
Tags:
stealer cryptbot crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Execution Network Stealth
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm evasive explorer lolbin overlay schtasks 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 submitted file
Sigma detected: Suspicious Scheduled Task Creation Involving Temp Folder
Suricata IDS alerts for network traffic
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:
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-09-21 13:49:06 UTC
File Type:
PE (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Scheduled Task/Job: Scheduled Task
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
CryptBot
Malware Config
C2 Extraction:
elevenvf11pt.top
analforeverlovyu.top
Unpacked files
SH256 hash:
f59b48307fc2ed62249e5a22b398fb7a042bf89289fb023639d768f2c3d8589a
MD5 hash:
89a998ac1b911b81ed99f31c142120ea
SHA1 hash:
fe8e93888d8e6e0abab8dd2c9e6afe7f5651b487
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
Rule name:RANSOMWARE
Author:ToroGuitar

File information


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

Web download

CryptBot

Executable exe f59b48307fc2ed62249e5a22b398fb7a042bf89289fb023639d768f2c3d8589a

(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