MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39915a2e90308e2369b8ba89e5b6bb9fd77a8501d5d1120576192976da544e52. 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 9 File information Comments

SHA256 hash: 39915a2e90308e2369b8ba89e5b6bb9fd77a8501d5d1120576192976da544e52
SHA3-384 hash: dae24ddb49b05be8947434e24b3a005e5d0f45e5d620dce5221874ae3a256c96def9309bff642a69a963faf64b906039
SHA1 hash: 7e76de8b6327bc30674f238d58a0ff10b2bbc407
MD5 hash: eebe576682c06edd80c85ebbb233137a
humanhash: speaker-muppet-edward-ohio
File name:Sеtup.exe
Download: download sample
Signature CryptBot
File size:6'599'105 bytes
First seen:2024-09-27 15:09:19 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:SS5ztgGV9O6DDcAMeyZQZl4weZCK/IrY+/cTlwWdSfU/Mt4jDJ9aRxqn+J0L:SS5zbOmcAMrO4qeIk+qwWdWMdYyc0L
Threatray 126 similar samples on MalwareBazaar
TLSH T11A66187B9D4355C8D03AA57A9C82BF3FF8286AD443E98D2B5C0508FDA755380E96E313
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 4k95m
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
425
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sеtup.exe
Verdict:
Malicious activity
Analysis date:
2024-09-27 15:12:06 UTC
Tags:
stealer cryptbot

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 Phishing Autorun
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
Creating a file in the %temp% directory
Stealing user critical data
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)
Found stalling execution ending in API Sleep call
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:
2024-09-27 15:10:07 UTC
File Type:
PE (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:cryptbot family:lumma 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
CryptBot
Malware Config
C2 Extraction:
twelvevh12pt.top
analforeverlovyu.top
Unpacked files
SH256 hash:
39915a2e90308e2369b8ba89e5b6bb9fd77a8501d5d1120576192976da544e52
MD5 hash:
eebe576682c06edd80c85ebbb233137a
SHA1 hash:
7e76de8b6327bc30674f238d58a0ff10b2bbc407
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:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
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 39915a2e90308e2369b8ba89e5b6bb9fd77a8501d5d1120576192976da544e52

(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