MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467. 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: 936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467
SHA3-384 hash: a43b07aea1bb59f33db46cecd8229435cd89bba1bb8544874d50d12c4afd5dbc57975aa27f0f06f5088c78cf2f5dde47
SHA1 hash: c6dd9e40470f8b402ea7971bb813f10311a3eea4
MD5 hash: f891ab6b632c63aaaee33ebb7f852cd1
humanhash: aspen-delta-freddie-sad
File name:f891ab6b632c63aaaee33ebb7f852cd1.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'463'104 bytes
First seen:2024-12-17 08:40:08 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:yBqLvMiRdNAv+T3J9CusDzZneOQ+zGe8m2slvOiZa:0+vNnq+T3JlYzZenaF8mXlB
TLSH T1D726331D0E64633BDEB93E3A5640ADEB93D5493DC07BCB10236B4A0A937FD62B270594
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 :
383
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f891ab6b632c63aaaee33ebb7f852cd1.exe
Verdict:
Malicious activity
Analysis date:
2024-12-17 09:02:24 UTC
Tags:
stealer cryptbot antivm themida crypto-regex
Link:
https://app.any.run/tasks/9bed2417-699f-4cd2-87c2-977a0bb64e6e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.1889.14578.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67613adf8fb73f13afd041ef
Tags:
vmdetect autorun
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Sending an HTTP POST request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/67613921336b67ce9a2fefb9/reports/01c68bcd-3a10-4fb3-b302-4c5aad30f947/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467
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/7aec9af8-cc1a-4964-867b-7dd6a25fd01d
Result
Threat name:
Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1576594
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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: 1576594 Sample: nxpmj0Yu40.exe Startdate: 17/12/2024 Architecture: WINDOWS Score: 100 49 Suricata IDS alerts for network traffic 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 7 nxpmj0Yu40.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 5 other processes 2->16 process3 dnsIp4 41 home.fivetk5pn.top 104.154.220.71, 49701, 49707, 49767 GOOGLEUS United States 7->41 43 httpbin.org 34.226.108.155, 443, 49699 AMAZON-AESUS 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 21 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, 49794, 49796 GOOGLEUS United States 28->47
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-12-16 21:47:42 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=snvqboplbqllzzlt5puwe7ywvwy5my2tdlfw3jchh3xlhxxx2rtq._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Link:
https://tria.ge/reports/241217-klfljsvph1/
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/9b60b23a-faab-4788-9a3f-720793aac027
Unpacked files
SH256 hash:
73b243c3127096dfef1c9462125cfbf5c0b61a6c450bbad0e34969c40480bbbf
MD5 hash:
4c39134e12c4ebfdcf813c354d319958
SHA1 hash:
380245daab9489f2bfc317b16e335efd72fd8600
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/63675447-26ee-4454-8175-19c780446818/
SH256 hash:
936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467
MD5 hash:
f891ab6b632c63aaaee33ebb7f852cd1
SHA1 hash:
c6dd9e40470f8b402ea7971bb813f10311a3eea4
Link:
https://www.unpac.me/results/63675447-26ee-4454-8175-19c780446818/
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 936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3331763/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3331753/
  
URLhaus
https://urlhaus.abuse.ch/url/3310377/

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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