MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7a83ddae3eec8ce624fc138e1dddb7f3ff5c5c9f20db11f60e22f489bdcc947. 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 4 File information Comments

SHA256 hash: e7a83ddae3eec8ce624fc138e1dddb7f3ff5c5c9f20db11f60e22f489bdcc947
SHA3-384 hash: 53f832e672147fb5dc86ddcd38c416f0e04a260f8d243c5b8e6ad1af4eb0d1a34692281a61b8a3056049b8234087ecab
SHA1 hash: 688d9fbf419423ec29c4037dc04a975475936c33
MD5 hash: 4500ada3f3ca96c5a4c012d41ecb92e6
humanhash: oklahoma-four-nebraska-connecticut
File name:file
Download: download sample
Signature CryptBot
File size:4'483'584 bytes
First seen:2024-12-06 20:53:33 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:pJJUaXAY2JwKhR14eM+rNKNhuVEpTebunratQe7FOxz:fXn2JwreM71TebGra
TLSH T1D1263350A907D64ACB309C3FAFE32DF77721A881D9E78D6AD8483E583556C909D2F432
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/martin/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
437
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-12-06 20:54:21 UTC
Tags:
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:
vmdetect phishing
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:
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:
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
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
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:
2024-12-06 20:54:11 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
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:
28554769355b95a22aa3c8035cc6075a6ec0848cac96d4ebd08a22c8db4b62e1
MD5 hash:
aa4f3bc6692cb53874293ec737603de3
SHA1 hash:
6f5638c3760dc2950eb649dc4aca4b7a8606bb42
Detections:
CryptBot
SH256 hash:
e7a83ddae3eec8ce624fc138e1dddb7f3ff5c5c9f20db11f60e22f489bdcc947
MD5 hash:
4500ada3f3ca96c5a4c012d41ecb92e6
SHA1 hash:
688d9fbf419423ec29c4037dc04a975475936c33
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 e7a83ddae3eec8ce624fc138e1dddb7f3ff5c5c9f20db11f60e22f489bdcc947

(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