MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c87e8c4b46af6850934553b22a5bd2d0d1b648938fec52cd2f3b664b1dceb68. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 3c87e8c4b46af6850934553b22a5bd2d0d1b648938fec52cd2f3b664b1dceb68
SHA3-384 hash: 8e184876ef6032cbc133f8e64b4e703263e7bf984b8e918bbaf3516d7cb7f8491a0ba9a5f93b21bb011c476fd840718f
SHA1 hash: 08d738cc1c80c55c2835b23e24e8e211b4fb437c
MD5 hash: 08f54694fcdf9433d8f3aa581903c4ca
humanhash: edward-fillet-steak-butter
File name:file
Download: download sample
Signature CryptBot
File size:4'482'048 bytes
First seen:2024-11-30 03:58:16 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:AHIAyqMizZRk5UCZcVd97K5mJeg/HcEG9XcEasYcrcoYvwopIusCPl0Y2Va:8N7k5UvXHPyVasYcovrxN0BVa
TLSH T141263340285E4296F8D10B30D1E7C15B9FA757D7814BEF348F58C86ABA3B725A97BC20
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/unique1/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
408
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
deb8b42416072a6be8c2a0d957db28f5c4a67ac707c4f5f20da46efe23d85d90
Verdict:
Malicious activity
Analysis date:
2024-11-30 04:50:59 UTC
Tags:
amadey botnet stealer loader themida antivm gcleaner stealc lumma cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
vmdetect phishing
Result
Verdict:
Malware
Maliciousness:
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 malware configuration
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: 1565526 Sample: file.exe Startdate: 30/11/2024 Architecture: WINDOWS Score: 100 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 9 other signatures 2->55 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 41 home.twentykx20pt.top 34.118.84.150, 49705, 49706, 49744 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->41 43 httpbin.org 18.208.8.205, 443, 49704 AMAZON-AESUS United States 7->43 45 2 other IPs or domains 7->45 35 C:\Users\user\AppData\...\service123.exe, PE32 7->35 dropped 37 C:\Users\user\...\HFInUAYNqgsnDSwNdDpz.dll, PE32 7->37 dropped 57 Attempt to bypass Chrome Application-Bound Encryption 7->57 59 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->59 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->61 63 8 other signatures 7->63 18 WerFault.exe 19 16 7->18         started        21 chrome.exe 7->21         started        24 schtasks.exe 1 7->24         started        26 service123.exe 7->26         started        file5 signatures6 process7 dnsIp8 33 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->33 dropped 39 239.255.255.250 unknown Reserved 21->39 28 chrome.exe 21->28         started        31 conhost.exe 24->31         started        file9 process10 dnsIp11 47 www.google.com 142.250.181.100, 443, 49774 GOOGLEUS United States 28->47
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-11-30 03:59:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
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)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b103cdff7bb136d3688410f887723af85995e3a80095e78a7bb17e9f78a02833
MD5 hash:
7ba30229638c637954590626ff7ce4df
SHA1 hash:
360433e20bbb2802c95093f17748979a42d26775
SH256 hash:
3c87e8c4b46af6850934553b22a5bd2d0d1b648938fec52cd2f3b664b1dceb68
MD5 hash:
08f54694fcdf9433d8f3aa581903c4ca
SHA1 hash:
08d738cc1c80c55c2835b23e24e8e211b4fb437c
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 3c87e8c4b46af6850934553b22a5bd2d0d1b648938fec52cd2f3b664b1dceb68

(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

Comments