MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b493e279c1d18ac53caeca4e865c658c25f256fda1be8a5d9ef33184e67497e0. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b493e279c1d18ac53caeca4e865c658c25f256fda1be8a5d9ef33184e67497e0
SHA3-384 hash: 1bdc041956b0c46cc055b5d621437606e74aca2ad08ce5c47e397faae6524ba23bc05c55e58c314dffe3fcea2d210a65
SHA1 hash: dc7b1a7b530dc7c8a22e50836ad747483b06bf3e
MD5 hash: 629763eb39d91bb69848475c90ad1e63
humanhash: twenty-charlie-purple-eleven
File name:629763eb39d91bb69848475c90ad1e63.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'476'416 bytes
First seen:2024-12-26 13:12:38 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:Iz59801nKEwOdv/4QHqYX/osqMZX2E7EHgk:Oe01nKKHNosdZmIEf
TLSH T1C5263302A63A6C78CD9715B09D95E24DB1E00D365DBCAA2159237A3FAF0B1CC5ED0ECD
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 :
429
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
33d7b3e0fc92855243b68eb3124e2c916b69db55a8201a4bf79aa483fc4185e6
Verdict:
Malicious activity
Analysis date:
2024-12-26 13:15:14 UTC
Tags:
amadey botnet stealer loader themida lumma cryptbot stealc credentialflusher purecrypter netreactor auto coinminer arch-exec github rat remcos remote antivm
Link:
https://app.any.run/tasks/6f7b5c9b-ab26-4465-85b0-dbc5dd586959

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Zusy-10040713-0
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676d566c75bf3268d2fea2c5
Tags:
vmdetect
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/676d5665b227d2dfb4106506/reports/9d337ce7-25a8-4be4-91e6-d5576efd3199/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b493e279c1d18ac53caeca4e865c658c25f256fda1be8a5d9ef33184e67497e0
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/7a67ad56-7c7c-41db-82a0-f0bb9a462f8d
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1580954
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Infostealer behavior detected
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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)
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b493e279c1d18ac53caeca4e865c658c25f256fda1be8a5d9ef33184e67497e0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b493e279c1d18ac53caeca4e865c658c25f256fda1be8a5d9ef33184e67497e0/
Threat name:
Win32.Trojan.CryptBot
Create hunting rule
Status:
Malicious
First seen:
2024-12-26 13:13:09 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsj6e6ob2gfmkpfozjhimxdfrqs7evx5ug7iuxm66myyjztus7qa._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Link:
https://tria.ge/reports/241226-qf3rsawphq/
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/c93ba098-0f12-40a5-9604-a3213f7c1bab
Unpacked files
SH256 hash:
6444fb1c176b1791f2d9274714d223d6d5d556d9f4b79206e043b7a55d1bcde5
MD5 hash:
1803b309deba26a6d3916518920d431c
SHA1 hash:
7275a36ec1a7027ed07838a8394e71c9fe429d9b
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/b0f23b4e-2010-470b-860c-5727febb89e4/
SH256 hash:
b493e279c1d18ac53caeca4e865c658c25f256fda1be8a5d9ef33184e67497e0
MD5 hash:
629763eb39d91bb69848475c90ad1e63
SHA1 hash:
dc7b1a7b530dc7c8a22e50836ad747483b06bf3e
Link:
https://www.unpac.me/results/b0f23b4e-2010-470b-860c-5727febb89e4/
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/b493e279c1d18ac53caeca4e865c658c25f256fda1be8a5d9ef33184e67497e0

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 b493e279c1d18ac53caeca4e865c658c25f256fda1be8a5d9ef33184e67497e0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3331753/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3346525/
  
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

Comments