MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49
SHA3-384 hash: 065a0fc807db29cd8e06c6edde9098fd334498d50c9edb76e1067da9f2ea316c95c28bcd5a2f597e67b87044b6e7b485
SHA1 hash: 306546d9db5efa9c4f6f45cea6864470070ef1d2
MD5 hash: 9bf8ddd37402d4bc65fde73dd731efaf
humanhash: spaghetti-green-maryland-emma
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'386'816 bytes
First seen:2024-11-20 20:46:11 UTC
Last seen:2024-11-20 20:46:28 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 49152:FSDusCfRltpef5aYhrdGX9Q1kXf1YOmwNBI9tyugm9rMc50c0VsghHZ8zPrtK/C9:Og/gseePf9NB9uTGl3Z0JECHMsVQPrZ
TLSH T1401633BAFED5F51DDFAD9DBE51CE0F0A36B5A2003A036916C808876A67BB35C54CD408
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 :
2
# of downloads :
442
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-20 20:48:48 UTC
Tags:
themida stealer cryptbot crypto-regex
Link:
https://app.any.run/tasks/6153fca8-3c88-42e2-8be1-996ebaa42ffe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673e4bb31ff0153667476029
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
Link:
https://www.filescan.io/uploads/673e4acaa99242316c49768d/reports/3ca9dec9-b7ab-4a75-ae9c-008f75d8b189/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/032302c2-cdb3-408a-8176-62e971be4e1d
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1559744
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Drops large PE files
Found malware configuration
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1559744 Sample: file.exe Startdate: 20/11/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 8 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 2 other processes 2->16 process3 dnsIp4 40 fvtekk5pn.top 34.116.198.130, 49701, 49762, 49769 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->40 42 127.0.0.1 unknown unknown 7->42 44 home.fvtekk5pn.top 7->44 36 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 7->36 dropped 38 C:\Users\user\AppData\...\service123.exe, PE32 7->38 dropped 60 Attempt to bypass Chrome Application-Bound Encryption 7->60 62 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 7->64 66 7 other signatures 7->66 18 service123.exe 7->18         started        21 WerFault.exe 21 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 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 142.250.181.68, 443, 49785, 49787 GOOGLEUS United States 29->48
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-20 20:47:07 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e7l2osvdkotzvuhi32ipleiwkjemskurjv5hz5chez2zt6iydneq._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot credential_access discovery evasion spyware stealer
Link:
https://tria.ge/reports/241120-zkvfmsseqc/
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
Link:
https://app.threat.zone/submission/060d4e51-f222-4b19-a1cc-590af63f9765
Unpacked files
SH256 hash:
1dbba4971ca0e4ecf6af7fe2188c2e1fb626d2ff56caeae4825b9e2cac5a7952
MD5 hash:
1ba2656cb1add79f824405f11064eae9
SHA1 hash:
c9733027c00f12a91e984f3ca247f107d2911ec4
Link:
https://www.unpac.me/results/e4b1eba5-3e0e-44a4-b4fd-a6071b4cba70/
SH256 hash:
27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49
MD5 hash:
9bf8ddd37402d4bc65fde73dd731efaf
SHA1 hash:
306546d9db5efa9c4f6f45cea6864470070ef1d2
Link:
https://www.unpac.me/results/e4b1eba5-3e0e-44a4-b4fd-a6071b4cba70/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/27d7a74aa353/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49

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
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
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 27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3253370/

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