MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ca9b7e7740770ca5f710193adcc9db9f7c3a1b5b5b188cfb21b8c1d1c1acb85. 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



DonutLoader


Vendor detections: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 1ca9b7e7740770ca5f710193adcc9db9f7c3a1b5b5b188cfb21b8c1d1c1acb85
SHA3-384 hash: 57a4117c6a6806eb655848c56b6f02436e6a497d28fa146cf8a82c636e2039d08b4dc84873c9a3cf11f32e9eebe7a72a
SHA1 hash: cc4b8dc50a43707d9f43bafad473a8ab0a15b49c
MD5 hash: 55b6efd1986ba93ba64b6f5222a5e0f9
humanhash: connecticut-wolfram-india-kentucky
File name:Crystal.exe.exe
Download: download sample
Signature DonutLoader
File size:166'400 bytes
First seen:2025-11-23 14:50:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash efeb5d2e785b956a774e5a38aa6509fd (3 x DonutLoader)
ssdeep 3072:wDNnXHDSLs+FF+gXWrzDwFakFIixQO/nH7H/1JSA:wDNXHD+zdAqaYTHL
TLSH T188F36C5773A820F9E077C17989920A06E372B87657619BEF03A0477A1F376D09D3EB21
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter burger
Tags:donutloader exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Crystal.exe.exe
Verdict:
No threats detected
Analysis date:
2025-11-23 14:50:02 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
dropper cobalt trojan virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Reading critical registry keys
Connection attempt
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
Sending an HTTP POST request
Launching a file downloaded from the Internet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint microsoft_visual_cc mikey
Verdict:
Malicious
Labled as:
Win64/TrojanDownloader.Agent_AGen
Result
Gathering data
Result
Threat name:
DonutLoader, Stealc v2
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Early bird code injection technique detected
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Unusual module load detection (module proxying)
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Yara detected DonutLoader
Yara detected Stealc v2
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1819535 Sample: Crystal.exe.exe Startdate: 23/11/2025 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 8 other signatures 2->44 7 Crystal.exe.exe 15 2->7         started        12 elevation_service.exe 2->12         started        14 elevation_service.exe 2->14         started        16 elevation_service.exe 2->16         started        process3 dnsIp4 36 196.251.107.94, 49681, 49682, 49683 ANGANI-ASKE Seychelles 7->36 30 C:\Users\user\AppData\...\bgtyabgdfp.exe, PE32+ 7->30 dropped 32 999880fb2f23445aa4...rypted_build[1].exe, PE32+ 7->32 dropped 54 Found API chain indicative of debugger detection 7->54 18 bgtyabgdfp.exe 20 7->18         started        file5 signatures6 process7 dnsIp8 34 149.102.156.62, 49684, 80 COGENT-174US United States 18->34 46 Early bird code injection technique detected 18->46 48 Found many strings related to Crypto-Wallets (likely being stolen) 18->48 50 Tries to harvest and steal browser information (history, passwords, etc) 18->50 52 6 other signatures 18->52 22 msedge.exe 18->22         started        24 msedge.exe 18->24         started        26 msedge.exe 18->26         started        28 3 other processes 18->28 signatures9 process10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.DonutLoader
Status:
Malicious
First seen:
2025-11-23 14:50:08 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_071
Similar samples:
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:donutloader discovery loader spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Badlisted process makes network request
Downloads MZ/PE file
Detects DonutLoader
DonutLoader
Donutloader family
Unpacked files
SH256 hash:
1ca9b7e7740770ca5f710193adcc9db9f7c3a1b5b5b188cfb21b8c1d1c1acb85
MD5 hash:
55b6efd1986ba93ba64b6f5222a5e0f9
SHA1 hash:
cc4b8dc50a43707d9f43bafad473a8ab0a15b49c
Malware family:
DonutLoader
Verdict:
Malicious
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset

File information


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

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