MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2243a0c992a4824b08a5bf4e2dc9b5f2cebd8855519c781279e9f8daf3653ae1. 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: 2243a0c992a4824b08a5bf4e2dc9b5f2cebd8855519c781279e9f8daf3653ae1
SHA3-384 hash: eab48f21b8de327e269e9e5d213415297ecaeb0737f39f9c854d9932ed881ed07ca8ac5e90f474d3a483ef650b8b3a6c
SHA1 hash: 7fda0231dadc17501bf6a9ed114b13f1e6a73d1c
MD5 hash: 73a70909117df65b63b1d4af675f7bc2
humanhash: winter-zulu-arkansas-zulu
File name:file
Download: download sample
Signature CryptBot
File size:4'421'120 bytes
First seen:2024-11-27 11:06:30 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:Gy6xk5IP5P7+/J5suxaFmZg41/ORZB+j2EKvK:G+4Ng3aFmO41mN+RKy
TLSH T1F62633851FC1925EE0ACEB7066466E032A67338505DCD9884B6FA3F11863DBC3FE574A
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/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
428
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-27 11:07:39 UTC
Tags:
themida antivm stealer cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
phishing trojan hype sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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
Drops large PE files
Hides threads from debuggers
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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: 1563736 Sample: file.exe Startdate: 27/11/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 7 other signatures 2->56 7 file.exe 5 2 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 40 twentykm20sr.top 213.171.8.162, 49731, 49733, 49739 NETCOMLINK-ASRU Russian Federation 7->40 42 httpbin.org 18.213.123.165, 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\...\hZCNySjZlYfWBEqFJwFF.dll, PE32 7->38 dropped 60 Attempt to bypass Chrome Application-Bound Encryption 7->60 62 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->62 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->64 66 8 other signatures 7->66 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 Multi AV Scanner detection for dropped file 18->58 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 142.250.181.68, 443, 49749 GOOGLEUS United States 29->48
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2024-11-27 11:07:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
11 of 38 (28.95%)
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:
8b34d2d79f088bffb85b4178dff4456a229a38738d704c8774a3c44e72fa4c10
MD5 hash:
bbf6231aeb7f7470bbac8e3e7912faf3
SHA1 hash:
27f68535a282c99dc1f7c9ef012fa14593ded565
SH256 hash:
2243a0c992a4824b08a5bf4e2dc9b5f2cebd8855519c781279e9f8daf3653ae1
MD5 hash:
73a70909117df65b63b1d4af675f7bc2
SHA1 hash:
7fda0231dadc17501bf6a9ed114b13f1e6a73d1c
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 2243a0c992a4824b08a5bf4e2dc9b5f2cebd8855519c781279e9f8daf3653ae1

(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