MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f938e11a28c63ca465cec4151a02add7ff1f534d31eb8ad1e4e765620da43762. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: f938e11a28c63ca465cec4151a02add7ff1f534d31eb8ad1e4e765620da43762
SHA3-384 hash: d224c41ffd9b1ac6b1b51716f701b73009dc3cbb6b6048261bd2a07c61b59f1c8d4cf42983e122e5f290ebe9c1105259
SHA1 hash: f06803c1321e1b613f494e337a3e7b6c11f2e880
MD5 hash: 764767d6adf6fa8a9c0b437d79a7a973
humanhash: four-blue-magazine-wisconsin
File name:764767d6adf6fa8a9c0b437d79a7a973.exe
Download: download sample
Signature CryptBot
File size:4'450'816 bytes
First seen:2024-12-27 07:38:05 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:x9GpNaOCU/IL0l0xW0Qs/Sy2rETtfzX13+BYoL2:x9GpN55UW0QIAriJ8Yo
TLSH T1C0263348BD143DA6E4EE84B080B3601DF3F527825A6AE1EC0DC6674D7967384FEE5836
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 :
371
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
d2a41394da3c958eeecd0c43a72e5c401fd5209e462b0035bd1ba5dd9b4a6b46
Verdict:
Malicious activity
Analysis date:
2024-12-26 22:38:27 UTC
Tags:
amadey botnet stealer loader lumma themida stormkitty stealc evasion credentialflusher telegram ims-api generic cryptbot phishing arch-doc pastebin gcleaner asyncrat rat github auto remcos remote antivm vidar coinminer arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
vmdetect virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Connection attempt to an infection source
Creating a window
DNS request
Connection attempt
Sending an HTTP POST request
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Infostealer behavior detected
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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)
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-12-26 21:55:27 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
27 of 38 (71.05%)
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:
db99e3a922983d61683040061883743ddd5cfede60d1b299e6fa606389566958
MD5 hash:
a157232705bd7e69aef905dbf810e6ce
SHA1 hash:
b091cca150acd8676d0ccdbb108178fd7a02e1e5
Detections:
CryptBot
SH256 hash:
f938e11a28c63ca465cec4151a02add7ff1f534d31eb8ad1e4e765620da43762
MD5 hash:
764767d6adf6fa8a9c0b437d79a7a973
SHA1 hash:
f06803c1321e1b613f494e337a3e7b6c11f2e880
Malware family:
CryptBot.v3
Verdict:
Malicious
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 f938e11a28c63ca465cec4151a02add7ff1f534d31eb8ad1e4e765620da43762

(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

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