MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9efc2d4a5f40a0bf856d84858ba422d4c504a276f03fa87aec827f266726ce09. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 9efc2d4a5f40a0bf856d84858ba422d4c504a276f03fa87aec827f266726ce09
SHA3-384 hash: ff77b36b6dbfcc6f2fb615a7c5d6417f6e8e83a0e31158303c512f5145338e72f2335f96862c10d638d6883d928281f7
SHA1 hash: ef8dbb841cf66cb66eeefcd282baaa0544dd1fbd
MD5 hash: 0ac83051d42c812a3deb74e093c48f9e
humanhash: angel-december-arizona-pluto
File name:0ac83051d42c812a3deb74e093c48f9e.exe
Download: download sample
Signature CryptBot
File size:4'453'888 bytes
First seen:2024-12-19 07:18:11 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:gzUjg5FqNPOmOaa+KFi90WNEZsx2VeUsGkXM9Aby5fgkaZdX:25FqN0aKFoXMKgXsGHAu5fAd
TLSH T11C26338109620CAFC68C66F743A2D4CF0276754D0AA5AF79412D23B7E14FA84FF54AF6
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 :
381
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-18 13:39:39 UTC
Tags:
amadey botnet stealer loader lumma stealc credentialflusher cryptbot auto coinminer rhadamanthys themida antivm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Antivirus detection for URL or domain
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.Amadey
Status:
Malicious
First seen:
2024-12-18 17:08:52 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:
316dd971df66969eafaeb89de8a44d8e6753dfefbca5ed7b9d8c3509a419582f
MD5 hash:
03ac27f289b1d70c7070d17d28dede1b
SHA1 hash:
8d49a959a9968eb967f8f9f800e50f1ba4d092ce
Detections:
CryptBot
SH256 hash:
9efc2d4a5f40a0bf856d84858ba422d4c504a276f03fa87aec827f266726ce09
MD5 hash:
0ac83051d42c812a3deb74e093c48f9e
SHA1 hash:
ef8dbb841cf66cb66eeefcd282baaa0544dd1fbd
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 9efc2d4a5f40a0bf856d84858ba422d4c504a276f03fa87aec827f266726ce09

(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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