MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a335b6dfadfcba436732f642a8051ecd6d92b5ed1f140a7204166318885d1977. 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 3 File information Comments

SHA256 hash: a335b6dfadfcba436732f642a8051ecd6d92b5ed1f140a7204166318885d1977
SHA3-384 hash: b51a38e08a10084ff2b71ab1ea205ebd12f0390e69656a5be69d56a554798dfdc766a96577c9995fb96011768112b40f
SHA1 hash: 7c57ca452f6cac2ac981a6d9a2f6dd6b3f1024cb
MD5 hash: 52fcb84b6a36a8e28a1b56f2603edf23
humanhash: grey-november-steak-spring
File name:file
Download: download sample
Signature CryptBot
File size:4'467'200 bytes
First seen:2024-11-30 01:23:26 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:Aw6d9osRZuyGN7I4dkerrBBu9iQVhNVvQsLS1vG5Qs1Wpz:f6nos/Gi4dkWu9dhTvdLS10Q
TLSH T14A26335F566B3CABD5AC4DF14C019F932E3AE3E50A088886669F0A18DB3F641DF72174
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 :
419
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-30 01:28:28 UTC
Tags:
antivm themida stealer cryptbot crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
phishing trojan virus zusy
Result
Verdict:
Malware
Maliciousness:
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
Drops large PE files
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: 1565500 Sample: file.exe Startdate: 30/11/2024 Architecture: WINDOWS Score: 100 49 Suricata IDS alerts for network traffic 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 7 other signatures 2->55 7 file.exe 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 service123.exe 2->16         started        process3 dnsIp4 41 home.twentykx20pt.top 34.118.84.150, 49709, 49710, 49765 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->41 43 httpbin.org 18.213.123.165, 443, 49707 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 22 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 172.217.21.36, 443, 49791, 49793 GOOGLEUS United States 28->47
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-11-30 01:24:13 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
13 of 24 (54.17%)
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:
54de0feee0da609dfe5e8abe5008b08d523e3ef03c8e7f7e01d105610c74cd01
MD5 hash:
e300bd317e561de93b3806c6e72d85e7
SHA1 hash:
d0b8f016a58e963baa07d2ed23d7173ff8ca61f8
SH256 hash:
a335b6dfadfcba436732f642a8051ecd6d92b5ed1f140a7204166318885d1977
MD5 hash:
52fcb84b6a36a8e28a1b56f2603edf23
SHA1 hash:
7c57ca452f6cac2ac981a6d9a2f6dd6b3f1024cb
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 a335b6dfadfcba436732f642a8051ecd6d92b5ed1f140a7204166318885d1977

(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