MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e71349ff091fa402e51aad05f77f65ee2eea8ec824e5b34f5284b7f11eba1f2. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 6e71349ff091fa402e51aad05f77f65ee2eea8ec824e5b34f5284b7f11eba1f2
SHA3-384 hash: 9b0cd5b16f805bbd1a7cf4c16177a32b9d4970c6e961c33a457e5fb6ab2f9f94084f96506974f990771fb51e9b3353c9
SHA1 hash: 22cc7cd7bd7a3d13e441e2eff21556267fd63108
MD5 hash: a02a1cb540d8658f640dba74a1ada983
humanhash: kansas-maryland-venus-equal
File name:file
Download: download sample
Signature CryptBot
File size:4'406'272 bytes
First seen:2024-11-21 11:51:18 UTC
Last seen:2024-11-21 11:51:28 UTC
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:h7stmnF4VhoqbUzE0lMaq3qTmXg9aegvqYt:1vafE1lMaT95gv5
TLSH T1D61633CBC9BAEC68E1619CFE7A6E2D861CF567D0153302F93B139233C99345AE427494
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 :
3
# of downloads :
393
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-21 11:10:39 UTC
Tags:
amadey botnet stealer loader themida lumma stealc cryptbot

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

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm 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
Found evasive API chain (may stop execution after checking mutex)
Found stalling execution ending in API Sleep call
Hides threads from debuggers
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 (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: 1560130 Sample: file.exe Startdate: 21/11/2024 Architecture: WINDOWS Score: 100 51 Suricata IDS alerts for network traffic 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 6 other signatures 2->57 7 file.exe 5 4 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        process3 dnsIp4 37 fvtekk5pn.top 34.116.198.130, 49704, 49732, 49738 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->37 39 127.0.0.1 unknown unknown 7->39 41 home.fvtekk5pn.top 7->41 31 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 7->31 dropped 33 C:\Users\user\AppData\...\service123.exe, PE32 7->33 dropped 59 Attempt to bypass Chrome Application-Bound Encryption 7->59 61 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 65 7 other signatures 7->65 16 service123.exe 7->16         started        19 chrome.exe 7->19         started        22 schtasks.exe 1 7->22         started        24 WerFault.exe 19 12 7->24         started        file5 signatures6 process7 dnsIp8 45 Multi AV Scanner detection for dropped file 16->45 47 Found evasive API chain (may stop execution after checking mutex) 16->47 49 Found stalling execution ending in API Sleep call 16->49 35 239.255.255.250 unknown Reserved 19->35 26 chrome.exe 19->26         started        29 conhost.exe 22->29         started        signatures9 process10 dnsIp11 43 www.google.com 142.250.185.196, 443, 49750, 49753 GOOGLEUS United States 26->43
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-11-21 11:25:41 UTC
File Type:
PE (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot credential_access discovery evasion spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Cryptbot family
Detects CryptBot payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d1467d4cb5fc88de09c6bbe05453fbd8f1cfceb69a68d78f955e8ae1e8b9250f
MD5 hash:
9b9d0082991fbe30fe2cf0b886459069
SHA1 hash:
c1c1cc5e16966e29ad3fe5c247b688498828b4dc
SH256 hash:
6e71349ff091fa402e51aad05f77f65ee2eea8ec824e5b34f5284b7f11eba1f2
MD5 hash:
a02a1cb540d8658f640dba74a1ada983
SHA1 hash:
22cc7cd7bd7a3d13e441e2eff21556267fd63108
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 6e71349ff091fa402e51aad05f77f65ee2eea8ec824e5b34f5284b7f11eba1f2

(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