MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7756efa9a5914c3141479ab8de889d6aa48f25fed3997cc165fafd4b7ab54ff9. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash: 7756efa9a5914c3141479ab8de889d6aa48f25fed3997cc165fafd4b7ab54ff9
SHA3-384 hash: 87c350d9a470ae6998b2e8d590cf5ff4cfb95b527be151430bab6d5309b9e17982aeba6590c5b1a235778389ffe09ed2
SHA1 hash: b0c47152746861607720ec0b185dcd4a597926a5
MD5 hash: fe00d6961e0dc7002c7c86bed9495c79
humanhash: cup-maryland-april-friend
File name:file
Download: download sample
Signature CryptBot
File size:6'669'118 bytes
First seen:2024-09-23 01:01:05 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:/cFVUyzLW9OiI+Iy5/djZQ5I8DMrq4d96dETCtOLZcWhNuRbyQ4:03U2C9K+IOFAI8Dyu01cWyRb74
TLSH T1C766283A9B4345CAC13FB57ADC927F3FF4286ADC4329592B6C0508BCA755791A8AD303
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 jstrosch
Tags:CryptBot exe


Avatar
jstrosch
Found at hxxp://103.130.147[.]211/Files/channel3.exe by #subcrawl

Intelligence


File Origin
# of uploads :
1
# of downloads :
362
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-23 01:02:57 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:
99.1%
Tags:
Encryption Execution Network Stealth Agent Phishing Autorun
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
89%
Tags:
anti-debug 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 dropped file
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:
2024-09-22 23:38:24 UTC
File Type:
PE (Exe)
AV detection:
24 of 38 (63.16%)
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
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Credentials from Password Stores: Credentials from Web Browsers
CryptBot
Malware Config
C2 Extraction:
thirtvf13vs.top
analforeverlovyu.top
Unpacked files
SH256 hash:
7756efa9a5914c3141479ab8de889d6aa48f25fed3997cc165fafd4b7ab54ff9
MD5 hash:
fe00d6961e0dc7002c7c86bed9495c79
SHA1 hash:
b0c47152746861607720ec0b185dcd4a597926a5
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 7756efa9a5914c3141479ab8de889d6aa48f25fed3997cc165fafd4b7ab54ff9

(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