MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f4bc881830db866b1d2e73e178766d85fb3928afd6071e5fb8173effffcdf7a. 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



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 18 File information Comments

SHA256 hash: 3f4bc881830db866b1d2e73e178766d85fb3928afd6071e5fb8173effffcdf7a
SHA3-384 hash: f974366d22a8d8695411613ec7d6dfea0577a345f3e861ac8398f2fff973d42ef504f4874221b6236541c084d2667add
SHA1 hash: 69c9fe15c5a1a2c59866741fad3441832e65f80d
MD5 hash: b44e9c6d408446565dcfb6277e4c0f70
humanhash: july-mountain-yellow-equal
File name:Crypto.dll
Download: download sample
File size:7'278'592 bytes
First seen:2026-07-18 08:25:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d34a3588fe549567d7998bbdf979d13a
ssdeep 49152:PBRbE7AGblRFIe7R/ERZbYg9KnABfwn/w3wzqQit0bfOSiWEVuiyAoAX0dcqAiBI:rlEKJcwAmQk4zVcqjuXmoqRZ6Uo
TLSH T1F076AD14A3E804A1E56BDB34CA66C733CAB0BC925635D10F0959F6461F73EA28B7F721
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter smica83
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
179
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
3f4bc881830db866b1d2e73e178766d85fb3928afd6071e5fb8173effffcdf7a.exe
Verdict:
Malicious activity
Analysis date:
2026-07-18 09:06:06 UTC
Tags:
discord ip-check github

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto fingerprint masquerade microsoft_visual_cc packed reconnaissance
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-18T11:23:00Z UTC
Last seen:
2026-07-20T02:05:00Z UTC
Hits:
~100
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
56 / 100
Signature
Attempt to bypass Chrome Application-Bound Encryption
Joe Sandbox ML detected suspicious sample
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944571 Sample: Crypto.dll.exe Startdate: 18/07/2026 Architecture: WINDOWS Score: 56 26 stun1.l.google.com 2->26 28 stun.l.google.com 2->28 30 stun.cloudflare.com 2->30 40 Joe Sandbox ML detected suspicious sample 2->40 42 Sigma detected: Potential Data Stealing Via Chromium Headless Debugging 2->42 9 Crypto.dll.exe 1 2->9         started        signatures3 process4 dnsIp5 38 127.0.0.1 unknown unknown 9->38 44 Attempt to bypass Chrome Application-Bound Encryption 9->44 13 chrome.exe 1 9->13         started        15 conhost.exe 9->15         started        signatures6 process7 process8 17 chrome.exe 2 13->17         started        process9 19 chrome.exe 17->19         started        22 chrome.exe 17->22         started        24 chrome.exe 6 17->24         started        dnsIp10 32 135.125.170.28 OVHFR Germany 19->32 34 150.171.27.10 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 19->34 36 133 other IPs or domains 19->36
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Miner
Status:
Suspicious
First seen:
2026-07-18 08:27:02 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access discovery spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
System Time Discovery
Probable phishing domain
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Reads user/profile data of web browsers
Uses browser remote debugging
Unpacked files
SH256 hash:
3f4bc881830db866b1d2e73e178766d85fb3928afd6071e5fb8173effffcdf7a
MD5 hash:
b44e9c6d408446565dcfb6277e4c0f70
SHA1 hash:
69c9fe15c5a1a2c59866741fad3441832e65f80d
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MAL_Trigon_Dropper
Author:jaszzz
Description:Trigon multi-stage malicious dropper - process injection, keylogging, screenshot capture
Reference:URL|trigon
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments