MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecf57840f39dc209ba36c0fee2377f88c1adb9d93cc5fb5482755d755e53b209. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecf57840f39dc209ba36c0fee2377f88c1adb9d93cc5fb5482755d755e53b209
SHA3-384 hash: 6861ec0da88235523cb7d52b1e6769fa8d4a5c6b4d03088b11781c2fb000805f519aec17f131267b80fc2e12b8050c75
SHA1 hash: c1d553bb9333ffad12d31152d3d261b0d72e4f63
MD5 hash: 2a4012f6ccfdfee080d90a179787cf7f
humanhash: mars-mockingbird-harry-jersey
File name:2a4012f6ccfdfee080d90a179787cf7f.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'452'352 bytes
First seen:2024-12-17 08:33:30 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:Gf5IPaBXUqfEnwdm0gkbpgM+/J8Uko7zYQ3C9Q+cpXUC7WFhyBP:GfGPaBEjJkbKx/WGzYQ3C3cpEC7oA
TLSH T168263329653513CEDA6E0E764962483481FB50D239FBFAE159039A39097F172EDCCE38
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 :
374
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2a4012f6ccfdfee080d90a179787cf7f.exe
Verdict:
Malicious activity
Analysis date:
2024-12-17 08:43:36 UTC
Tags:
themida antivm stealer cryptbot
Link:
https://app.any.run/tasks/c4f8d916-7657-45b0-ae7c-8e68b24a5f55

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.12614.556.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676139618fb73f13afd03a5b
Tags:
vmdetect autorun
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
Sending an HTTP POST request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/6761377ccdd82ec5291abbf3/reports/f31a171a-65f6-4b98-a35a-3b71b488b064/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/ecf57840f39dc209ba36c0fee2377f88c1adb9d93cc5fb5482755d755e53b209
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a62b4692-e740-44cf-89ac-66615d3e8866
Result
Threat name:
Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1576567
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Drops large PE files
Hides threads from debuggers
Leaks process information
Machine Learning detection for sample
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 Cryptbot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1576567 Sample: 3fX4NR35LH.exe Startdate: 17/12/2024 Architecture: WINDOWS Score: 100 49 Suricata IDS alerts for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 7 other signatures 2->55 7 3fX4NR35LH.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 4 other processes 2->16 process3 dnsIp4 41 httpbin.org 98.85.100.80, 443, 49714 TWC-11351-NORTHEASTUS United States 7->41 43 home.fivetk5pn.top 104.154.220.71, 49719, 49725, 49793 GOOGLEUS United States 7->43 45 2 other IPs or domains 7->45 35 C:\Users\user\AppData\...\service123.exe, PE32 7->35 dropped 37 C:\Users\user\...\dlEmjynrOeqkpoHZKKOr.dll, PE32 7->37 dropped 57 Attempt to bypass Chrome Application-Bound Encryption 7->57 59 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->59 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->61 63 8 other signatures 7->63 18 WerFault.exe 22 16 7->18         started        21 chrome.exe 7->21         started        24 schtasks.exe 1 7->24         started        26 service123.exe 7->26         started        file5 signatures6 process7 dnsIp8 33 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->33 dropped 39 239.255.255.250 unknown Reserved 21->39 28 chrome.exe 21->28         started        31 conhost.exe 24->31         started        file9 process10 dnsIp11 47 www.google.com 172.217.19.228, 443, 49826 GOOGLEUS United States 28->47
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ecf57840f39dc209ba36c0fee2377f88c1adb9d93cc5fb5482755d755e53b209
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ecf57840f39dc209ba36c0fee2377f88c1adb9d93cc5fb5482755d755e53b209/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-12-17 08:34:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5t2xqqhttxbatorwyd7oen37rda23oozhtc7wvecovoxkxstwieq._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Link:
https://tria.ge/reports/241217-kgetfswmep/
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
Link:
https://app.threat.zone/submission/a761b611-50c2-468c-9615-b3ac3970e3ae
Unpacked files
SH256 hash:
cfdb01987898e517c3aa3b87865c19475e56d30dc72efd728ea8e66ec339ad24
MD5 hash:
922e8b8ccd62f05eb39cad6ab243ed11
SHA1 hash:
4f138f920f3ef7494ad39f636c2b02f3f6c3dcae
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/f04c60b0-ca9b-4735-a3ff-59665263b9d0/
SH256 hash:
ecf57840f39dc209ba36c0fee2377f88c1adb9d93cc5fb5482755d755e53b209
MD5 hash:
2a4012f6ccfdfee080d90a179787cf7f
SHA1 hash:
c1d553bb9333ffad12d31152d3d261b0d72e4f63
Link:
https://www.unpac.me/results/f04c60b0-ca9b-4735-a3ff-59665263b9d0/
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
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 ecf57840f39dc209ba36c0fee2377f88c1adb9d93cc5fb5482755d755e53b209

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3331763/
  
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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