MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76d86e157a4fa1f1b3abf649b931cdc91af733e2b50a863cc9a1dcbb131148b4. 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 3 File information Comments

SHA256 hash: 76d86e157a4fa1f1b3abf649b931cdc91af733e2b50a863cc9a1dcbb131148b4
SHA3-384 hash: 2bae62a05659cd7213db60eb6cac9a5587e7927946b1863de1fb438d126bb97774cb6640542a6cc2f101a9aa8efa133d
SHA1 hash: 3587c298d27279b481f9efa0c02be575b6a06599
MD5 hash: 72950603b12d5d99f2ebcedeb3aed5d6
humanhash: pizza-comet-echo-washington
File name:file
Download: download sample
Signature CryptBot
File size:4'467'712 bytes
First seen:2024-12-05 12:36:23 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:f7GBXgWNPrFM6tSwBprLlYHt072IjqTSfvlheYEoMReoPDZhn/FRS:DwgWDMQBpPl1KIjzvXezosTDZv
TLSH T1122633429579C88CF26B2932CF7FFC0DE12917823E749E86295011BDBB935FAD4A8471
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 Bitsight
Tags:CryptBot exe


Avatar
Bitsight
url: http://31.41.244.11/files/martin/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
451
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RA1YW_file.exe
Verdict:
Malicious activity
Analysis date:
2024-12-05 12:40:20 UTC
Tags:
themida antivm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
phishing trojan hype sage
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 POST request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
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 dropped 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: 1569114 Sample: file.exe Startdate: 05/12/2024 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 file.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 home.fvtekx5vs.top 34.17.28.197, 49707, 49708, 49711 ATGS-MMD-ASUS United States 7->40 42 httpbin.org 34.224.200.202, 443, 49706 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\...\ZZmnHrfutuBRZqgRbrVC.dll, PE32 7->38 dropped 64 Attempt to bypass Chrome Application-Bound Encryption 7->64 66 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->68 70 8 other signatures 7->70 18 service123.exe 7->18         started        21 WerFault.exe 19 16 7->21         started        24 chrome.exe 7->24         started        27 schtasks.exe 1 7->27         started        file5 signatures6 process7 dnsIp8 58 Multi AV Scanner detection for dropped file 18->58 60 Found evasive API chain (may stop execution after checking mutex) 18->60 62 Found stalling execution ending in API Sleep call 18->62 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 142.250.181.100, 443, 49717, 49721 GOOGLEUS United States 29->48
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-12-05 12:37:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2dac85e4f8b3210290e5d1332df04dc3dd8f69bdef05fb742fb71f4f8f892c7d
MD5 hash:
21a7a8d51aee28ecebc28a100a344140
SHA1 hash:
2976ae263b4680cb23460104ceb7e569a9242e04
Detections:
CryptBot
SH256 hash:
76d86e157a4fa1f1b3abf649b931cdc91af733e2b50a863cc9a1dcbb131148b4
MD5 hash:
72950603b12d5d99f2ebcedeb3aed5d6
SHA1 hash:
3587c298d27279b481f9efa0c02be575b6a06599
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)

File information


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

Web download

CryptBot

Executable exe 76d86e157a4fa1f1b3abf649b931cdc91af733e2b50a863cc9a1dcbb131148b4

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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