MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fa1e891bd97119caaaba3f4de500d6e6828b6030d4f6b2a56f5ac998beb4fb1. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 5fa1e891bd97119caaaba3f4de500d6e6828b6030d4f6b2a56f5ac998beb4fb1
SHA3-384 hash: 3b2b1715c736347e2d809ddcf6b9bb4367abbb9374476876d449f1c40f4664162924469e7eb211d23b3917888167b6a5
SHA1 hash: 9bbd1d04b75635bb02acb77675a192de56bcb752
MD5 hash: 748842603d32e03ecddf19f9dd75eb1d
humanhash: cardinal-robin-winner-arizona
File name:file
Download: download sample
Signature CryptBot
File size:4'424'704 bytes
First seen:2024-11-27 14:07:15 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:SGVgRaP3ejlAv/aKTtK3DmGIfoJRZKucxifWU:8RaOs/aKT4ydAJRwhw3
TLSH T1872633693C6F14DCC30819F632B7E165379E670F8996ACAD4141AB3A398FD904983ED3
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 :
1
# of downloads :
431
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-27 14:12:20 UTC
Tags:
themida antivm stealer cryptbot crypto-regex

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

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Query of malicious DNS domain
Sending an HTTP POST request to an infection source
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
Leaks process information
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 (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 Clipboard Hijacker
Yara detected Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1563837 Sample: file.exe Startdate: 27/11/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 7 other signatures 2->56 7 file.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 service123.exe 2->16         started        process3 dnsIp4 40 twentykm20sr.top 34.118.84.150, 49723, 49734, 49789 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->40 42 httpbin.org 18.213.123.165, 443, 49712 AMAZON-AESUS United States 7->42 44 2 other IPs or domains 7->44 36 C:\Users\user\AppData\...\service123.exe, PE32 7->36 dropped 38 C:\Users\user\...\hZCNySjZlYfWBEqFJwFF.dll, PE32 7->38 dropped 64 Attempt to bypass Chrome Application-Bound Encryption 7->64 66 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->68 70 8 other signatures 7->70 18 service123.exe 7->18         started        21 WerFault.exe 19 16 7->21         started        24 chrome.exe 7->24         started        27 schtasks.exe 1 7->27         started        file5 signatures6 process7 dnsIp8 58 Multi AV Scanner detection for dropped file 18->58 60 Found evasive API chain (may stop execution after checking mutex) 18->60 62 Found stalling execution ending in API Sleep call 18->62 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->34 dropped 46 239.255.255.250 unknown Reserved 24->46 29 chrome.exe 24->29         started        32 conhost.exe 27->32         started        file9 signatures10 process11 dnsIp12 48 www.google.com 142.250.181.100, 443, 49814, 49816 GOOGLEUS United States 29->48
Threat name:
Win32.Trojan.Multiverze
Status:
Malicious
First seen:
2024-11-27 14:08:14 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
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)
Verdict:
Suspicious
Tags:
Suspicious_POST_body Cryptbot
YARA:
n/a
Unpacked files
SH256 hash:
4e2fc5b34e4e14d411952a37c51f5c0f21f663f7d820e599c09dc328b17021fb
MD5 hash:
48b29714f832c99f3266ea71b866debc
SHA1 hash:
9ddbe81e6c91835098853016da0d1034dd08f486
SH256 hash:
5fa1e891bd97119caaaba3f4de500d6e6828b6030d4f6b2a56f5ac998beb4fb1
MD5 hash:
748842603d32e03ecddf19f9dd75eb1d
SHA1 hash:
9bbd1d04b75635bb02acb77675a192de56bcb752
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 5fa1e891bd97119caaaba3f4de500d6e6828b6030d4f6b2a56f5ac998beb4fb1

(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