MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a48f2665596595800e9adb10f4e8a6cdb59872b9f037bc5f86872e67f6c4bee. 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 4 File information Comments

SHA256 hash: 3a48f2665596595800e9adb10f4e8a6cdb59872b9f037bc5f86872e67f6c4bee
SHA3-384 hash: c4cde97ca6eca7e754aea742f279d69a6d2ac5e2c54dfc5cedf58949a232089fc38c0f61ac9a5f22e310c7370d978a57
SHA1 hash: da78cccfbc5694c631824e429b2530c59cd3a5c7
MD5 hash: 971e13a8e8f1ce9cd7d021617d7ac352
humanhash: ceiling-gee-aspen-potato
File name:971e13a8e8f1ce9cd7d021617d7ac352.exe
Download: download sample
Signature CryptBot
File size:4'448'256 bytes
First seen:2024-12-20 15:14:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 98304:uV6dtCCtDWlaWC4GcFiGwjk1/AF1ngeSbBiMGaFsR/:uV6dtCCRWlmEEGL/AjnUBGtR/
TLSH T187263311EB6DF6B7CB10CBB70891D74B5730C6B7A21D7AE731081D3AD4E6BE5424A02A
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.5% (.EXE) Win32 Executable (generic) (4504/4/1)
8.4% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
379
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-19 17:08:26 UTC
Tags:
amadey botnet stealer loader lumma themida cryptbot stealc credentialflusher auto coinminer arch-exec github telegram phishing vidar rhadamanthys

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
vmdetect stealer virus zusy
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Sending an HTTP GET request
Sending an HTTP POST request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm packed packed packer_detected
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
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
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 stalling execution ending in API Sleep call
Hides threads from debuggers
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sigma detected: Suspicious Scheduled Task Creation Involving Temp Folder
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1578951 Sample: HHFgVU1HGu.exe Startdate: 20/12/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 9 other signatures 2->56 7 HHFgVU1HGu.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 40 fivetk5vt.top 185.121.15.192, 49731, 49732, 49739 REDSERVICIOES Spain 7->40 42 httpbin.org 34.226.108.155, 443, 49730 AMAZON-AESUS United States 7->42 44 2 other IPs or domains 7->44 36 C:\Users\user\AppData\...\service123.exe, PE32 7->36 dropped 38 C:\Users\user\...\kORTOAUQQzuSSqFaWFbN.dll, PE32 7->38 dropped 62 Attempt to bypass Chrome Application-Bound Encryption 7->62 64 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->66 68 8 other signatures 7->68 18 service123.exe 7->18         started        21 WerFault.exe 21 16 7->21         started        24 chrome.exe 7->24         started        27 schtasks.exe 1 7->27         started        file5 signatures6 process7 dnsIp8 58 Found evasive API chain (may stop execution after checking mutex) 18->58 60 Found stalling execution ending in API Sleep call 18->60 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->34 dropped 46 239.255.255.250 unknown Reserved 24->46 29 chrome.exe 24->29         started        32 conhost.exe 27->32         started        file9 signatures10 process11 dnsIp12 48 www.google.com 172.217.19.228, 443, 49750 GOOGLEUS United States 29->48
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-12-19 20:03:32 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Cryptbot family
Malware Config
C2 Extraction:
http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734
Unpacked files
SH256 hash:
8b7c2f8ade1ef041bf15acc60a4ee996e7f0574e9a011fae1a856be28f4c9080
MD5 hash:
135f8b6894502a0968f3713f4f7891f1
SHA1 hash:
3deeb5944d871e7afb5f026ac2013fd53bec4968
Detections:
CryptBot
SH256 hash:
3a48f2665596595800e9adb10f4e8a6cdb59872b9f037bc5f86872e67f6c4bee
MD5 hash:
971e13a8e8f1ce9cd7d021617d7ac352
SHA1 hash:
da78cccfbc5694c631824e429b2530c59cd3a5c7
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:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

CryptBot

Executable exe 3a48f2665596595800e9adb10f4e8a6cdb59872b9f037bc5f86872e67f6c4bee

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments