MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38882fc16840014780f2186955fe0305b190824204db1ac6cc44e0be84fbf33c. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 38882fc16840014780f2186955fe0305b190824204db1ac6cc44e0be84fbf33c
SHA3-384 hash: bfc7a3189dc46479dc301c45ddff5f4e2b9562fc8f6177e10871b17df341f0c23f232b5780b329b887f302c31d4c03bd
SHA1 hash: 7014bc8b36f162fa42e0de2b8f67f7ac6a4b197a
MD5 hash: 3196bde966d070a54658abbfd66a0f4e
humanhash: december-pennsylvania-twelve-iowa
File name:3196bde966d070a54658abbfd66a0f4e.exe
Download: download sample
Signature CryptBot
File size:4'518'912 bytes
First seen:2024-12-23 06:55:24 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:g5qLiX/Oa5ORhqLxodCQgn083+sHIhgHfLFjws/L2oLkb:6qLiX/B22zdF3+sHVl/L
TLSH T12B2633DE80170C28CB4F19B029067B1363BCBB5A75F9C8E364DA1379CD18763EA63956
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 :
373
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
tight.exe
Verdict:
Malicious activity
Analysis date:
2024-12-23 07:48:17 UTC
Tags:
telegram lumma stealer evasion floxif agenttesla exfiltration loader stealc cryptbot dcrat rat arch-exec smtp golang backdoor spyware autoit blackmoon xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun virus sage 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 POST request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Result
Verdict:
MALICIOUS
Result
Threat name:
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 Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1579753 Sample: NT3kfq4eeE.exe Startdate: 23/12/2024 Architecture: WINDOWS Score: 100 46 Suricata IDS alerts for network traffic 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 6 other signatures 2->52 7 NT3kfq4eeE.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 4 other processes 2->16 process3 dnsIp4 40 fivetk5sb.top 185.121.15.192, 49732, 49733, 49740 REDSERVICIOES Spain 7->40 42 httpbin.org 34.226.108.155, 443, 49731 AMAZON-AESUS United States 7->42 44 2 other IPs or domains 7->44 34 C:\Users\user\AppData\...\service123.exe, PE32 7->34 dropped 36 C:\Users\user\...\CaHNbeclRGcBxNSvHjFX.dll, PE32 7->36 dropped 54 Attempt to bypass Chrome Application-Bound Encryption 7->54 56 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->56 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->58 60 8 other signatures 7->60 18 WerFault.exe 21 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 32 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->32 dropped 38 239.255.255.250 unknown Reserved 21->38 28 chrome.exe 21->28         started        30 conhost.exe 24->30         started        file9 process10
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-12-22 20:54:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
31 of 38 (81.58%)
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:
Malicious
Tags:
Win.Packed.Zusy-10040003-0
YARA:
n/a
Unpacked files
SH256 hash:
57b140ea4a114f60ece6c914f06d4a1a8000a64809fabdfa0791e484715c6da7
MD5 hash:
0d022d05c462fdcc62dc1c7b958452f9
SHA1 hash:
0a7b929ae2f24c8f69df17bafad2b8f4aac38f48
Detections:
CryptBot
SH256 hash:
38882fc16840014780f2186955fe0305b190824204db1ac6cc44e0be84fbf33c
MD5 hash:
3196bde966d070a54658abbfd66a0f4e
SHA1 hash:
7014bc8b36f162fa42e0de2b8f67f7ac6a4b197a
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 38882fc16840014780f2186955fe0305b190824204db1ac6cc44e0be84fbf33c

(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