MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 606df073790843307f1e2cd1455b947a933def47e8a57b7df62f4a0d5e52a26b. 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 11 File information Comments

SHA256 hash: 606df073790843307f1e2cd1455b947a933def47e8a57b7df62f4a0d5e52a26b
SHA3-384 hash: be554d4fabb2250da54683fe81e6fd4e334e158a91c8d056112551b66cad02adfff252d50375f2852a9e9ae67f1873f9
SHA1 hash: 9178b048a16cfa76d61f3c79b7d8dae07628a9ab
MD5 hash: 3a8a97746accf372f146b8445c99e752
humanhash: mirror-juliet-fourteen-hawaii
File name:3a8a97746accf372f146b8445c99e752.exe
Download: download sample
Signature CryptBot
File size:7'691'264 bytes
First seen:2024-10-27 11:58:38 UTC
Last seen:2024-10-27 13:45:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 75e9a96c170d19e8c4564ec5026224f5 (26 x CryptBot)
ssdeep 49152:eX52uE4UO01l483k2GdYmtgxomFPWbUVZ9q1NMKdBGFZ+ue0hwIbLhkYKKtblpOm:eX//01nkXGxlP3b9oFB4YYkYKKN
TLSH T1B6765AA5EE9785F5D68301315026B77F6E71AF009829CEB3CF80FB34C572A51AA5E21C
TrID 34.2% (.EXE) InstallShield setup (43053/19/16)
24.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
13.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.3% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
372
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
Powershell Phishing Autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug chacha crypto obfuscated rijndael whirlpool
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
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Drops large PE files
Found evasive API chain (may stop execution after checking mutex)
Found stalling execution ending in API Sleep call
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1543214 Sample: UfRKIdsNvD.exe Startdate: 27/10/2024 Architecture: WINDOWS Score: 100 54 Suricata IDS alerts for network traffic 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 3 other signatures 2->60 7 UfRKIdsNvD.exe 4 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        process3 dnsIp4 40 thirtji13ht.top 46.173.214.92, 49704, 49710, 49711 GARANT-PARK-INTERNETRU Russian Federation 7->40 42 home.thirtji13ht.top 7->42 44 127.0.0.1 unknown unknown 7->44 34 C:\Users\user\AppData\...\service123.exe, PE32 7->34 dropped 36 C:\Users\user\...\cKVHNxTLdXDmoFXuLNoh.dll, PE32 7->36 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 7->62 64 Tries to harvest and steal browser information (history, passwords, etc) 7->64 66 Drops large PE files 7->66 16 service123.exe 7->16         started        19 WerFault.exe 19 16 7->19         started        22 chrome.exe 7->22         started        25 schtasks.exe 1 7->25         started        file5 signatures6 process7 dnsIp8 48 Multi AV Scanner detection for dropped file 16->48 50 Found evasive API chain (may stop execution after checking mutex) 16->50 52 Found stalling execution ending in API Sleep call 16->52 32 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->32 dropped 38 239.255.255.250 unknown Reserved 22->38 27 chrome.exe 22->27         started        30 conhost.exe 25->30         started        file9 signatures10 process11 dnsIp12 46 www.google.com 142.250.185.100, 443, 49715, 49718 GOOGLEUS United States 27->46
Threat name:
Win32.Infostealer.Tinba
Status:
Malicious
First seen:
2024-10-26 13:46:30 UTC
File Type:
PE (Exe)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
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
Uses browser remote debugging
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
606df073790843307f1e2cd1455b947a933def47e8a57b7df62f4a0d5e52a26b
MD5 hash:
3a8a97746accf372f146b8445c99e752
SHA1 hash:
9178b048a16cfa76d61f3c79b7d8dae07628a9ab
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


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

Web download

CryptBot

Executable exe 606df073790843307f1e2cd1455b947a933def47e8a57b7df62f4a0d5e52a26b

(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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::CreateFiberEx
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::FindFirstFileW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertDuplicateCertificateContext
CRYPT32.dll::CertEnumCertificatesInStore
CRYPT32.dll::CertFindCertificateInStore
CRYPT32.dll::CertFreeCertificateContext
CRYPT32.dll::CertGetCertificateContextProperty
CRYPT32.dll::CertGetEnhancedKeyUsage
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegNotifyChangeKeyValue
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExA
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::accept
WS2_32.dll::bind
WS2_32.dll::closesocket
WS2_32.dll::connect
WS2_32.dll::gethostbyaddr
WS2_32.dll::gethostbyname
WIN_USER_APIPerforms GUI ActionsUSER32.dll::FindWindowA

Comments