MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3b1a836d09b16865760d07159e23737c8024f363a2d0022cf0328686a439b402. 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
| SHA256 hash: | 3b1a836d09b16865760d07159e23737c8024f363a2d0022cf0328686a439b402 |
|---|---|
| SHA3-384 hash: | 62944a189caca35e91300358c6fbe712c91d9bcd25555f1fc9adf677cc5be217d7a98d391dc3fe2fde1a1b58140711ac |
| SHA1 hash: | 8309b566131ce2581d08ab3e7eaa9d119f213a63 |
| MD5 hash: | 03ac737391f0ed0a63e80134a079c683 |
| humanhash: | lion-tennessee-item-utah |
| File name: | file |
| Download: | download sample |
| Signature | CryptBot |
| File size: | 6'660'450 bytes |
| First seen: | 2024-08-22 13:43:07 UTC |
| Last seen: | 2024-08-24 04:00:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 92a00f4d0a4448266e9c638fdb1341b9 (97 x CryptBot, 1 x NetSupport, 1 x LummaStealer) |
| ssdeep | 98304:4l8ALY+TaWA2FQkCPC5nk7padpx7xd+wEMJFMZ:4l8Jua0ikCatUadTxIwEMTMZ |
| TLSH | T13566073AAB4345C9C13FA67ADC937F7FF4186ADC4329492BAC0508BCA755751A8AD303 |
| 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) |
| Reporter |  Bitsight |
| Tags: | CryptBot exe |
Intelligence
File Origin
# of uploads :
18
# of downloads :
371
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-22 13:46:43 UTC
Tags:
stealer cryptbot lumma
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Encryption Network Stealth Agent
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
DNS request
Connection attempt
Sending an HTTP POST request
Creating a window
Reading critical registry keys
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
89%
Tags:
anti-debug anti-vm evasive explorer lolbin overlay shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
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.
Verdict:
Suspicious
Result
Threat name:
Cryptbot
Detection:
malicious
Classification:
troj.spyw
Score:
88 / 100
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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 Cryptbot
Behaviour
Behavior Graph:
Score:
97%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-08-22 13:46:11 UTC
File Type:
PE (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
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
Program crash
System Location Discovery: System Language Discovery
Checks installed software on the system
Reads user/profile data of web browsers
Credentials from Password Stores: Credentials from Web Browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3b1a836d09b16865760d07159e23737c8024f363a2d0022cf0328686a439b402
MD5 hash:
03ac737391f0ed0a63e80134a079c683
SHA1 hash:
8309b566131ce2581d08ab3e7eaa9d119f213a63
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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
Dropped by
Amadey
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteA |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::GetTempPathA |
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