MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87266852f9547d55132118fd19ac7f419319f3f47470ca741c2556a61c6cdf66. 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


RustyStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87266852f9547d55132118fd19ac7f419319f3f47470ca741c2556a61c6cdf66
SHA3-384 hash: ffd4e34521c2422c21f21086265d9390fbefe2c1f7d98d00586187d1a2f5a6d026c8b4431dde162b50ecfaa1b6039707
SHA1 hash: e70f159b213bc7dfa40aeb39e2f29b94db48cf35
MD5 hash: 7509bb027024d8e7f0b9e95cb2d37f3e
humanhash: california-helium-earth-ack
File name:SecuriteInfo.com.Win64.Evo-gen.13578.12741
Download: download sample
Signature RustyStealer
Create hunting rule
File size:1'712'128 bytes
First seen:2025-02-07 09:35:09 UTC
Last seen:2025-02-07 10:26:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 184e98d1d9ae7bd5be8a15e7dcad9e4c (4 x RustyStealer, 1 x Rhadamanthys)
ssdeep 49152:Lp62xlds7gX9o8lqqXrWFoga7D0Vl4a/lu3nvrf1Xkl:dw7gX9D0WWVCGu3jCl
TLSH T1A1855DB528087F94EDB76273B0DA95F443F2BD8E7213C83122A0996EBD5B9139CCD950
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 52296868e833b20c (6 x RustyStealer, 2 x AsyncRAT, 2 x QuasarRAT)
Reporter SecuriteInfoCom
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
4
# of downloads :
505
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
joy.exe
Verdict:
Malicious activity
Analysis date:
2025-02-07 08:44:03 UTC
Tags:
rhadamanthys stealer shellcode
Link:
https://app.any.run/tasks/2c00b4a8-cf02-467e-bd59-c30824e1216a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.12227.23304.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a5d485ab8a2d1c6bcd700f
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a UDP request
Reading critical registry keys
Searching for the window
Unauthorized injection to a recently created process
Creating a window
Сreating synchronization primitives
Launching a process
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Unauthorized injection to a system process
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug cmd expand lolbin obfuscated packed packed packer_detected rhadamanthys
Link:
https://www.filescan.io/uploads/67a5d3d93c6f9c8f53eb0c29/reports/baf4c4f6-ec49-4387-8933-4d31d7e57b67/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/87266852f9547d55132118fd19ac7f419319f3f47470ca741c2556a61c6cdf66
Result
Verdict:
UNKNOWN
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/dd172a2e-e59a-4d9c-983a-5e15212b8b2e
Result
Threat name:
RHADAMANTHYS
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1609114
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609114 Sample: SecuriteInfo.com.Win64.Evo-... Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 44 x.ns.gin.ntt.net 2->44 46 ts1.aco.net 2->46 48 4 other IPs or domains 2->48 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 5 other signatures 2->74 9 SecuriteInfo.com.Win64.Evo-gen.13578.12741.exe 1 2->9         started        11 msedge.exe 16 80 2->11         started        signatures3 process4 process5 13 svchost.exe 6 9->13         started        17 WerFault.exe 2 9->17         started        19 msedge.exe 11->19         started        21 msedge.exe 8 11->21         started        23 msedge.exe 11->23         started        25 msedge.exe 11->25         started        dnsIp6 60 45.93.20.244, 49704, 49808, 49877 COGENT-174US Netherlands 13->60 62 ntp1.net.berkeley.edu 169.229.128.134, 123, 58242 UCBUS United States 13->62 66 5 other IPs or domains 13->66 78 Found evasive API chain (may stop execution after checking mutex) 13->78 80 Found many strings related to Crypto-Wallets (likely being stolen) 13->80 82 Tries to harvest and steal browser information (history, passwords, etc) 13->82 27 chrome.exe 13->27         started        31 msedge.exe 14 13->31         started        33 wmpshare.exe 13->33         started        35 msedge.exe 19->35         started        37 msedge.exe 19->37         started        64 ssl.bingadsedgeextension-prod-europe.azurewebsites.net 94.245.104.56, 443, 49782 MICROSOFT-CORP-MSN-AS-BLOCKUS United Kingdom 21->64 signatures7 process8 dnsIp9 52 239.255.255.250 unknown Reserved 27->52 76 Found many strings related to Crypto-Wallets (likely being stolen) 27->76 39 chrome.exe 27->39         started        42 msedge.exe 31->42         started        54 googlehosted.l.googleusercontent.com 216.58.212.129, 443, 49819 GOOGLEUS United States 35->54 56 chrome.cloudflare-dns.com 172.64.41.3, 443, 49840, 49841 CLOUDFLARENETUS United States 35->56 58 clients2.googleusercontent.com 35->58 signatures10 process11 dnsIp12 50 127.0.0.1 unknown unknown 39->50
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/87266852f9547d55132118fd19ac7f419319f3f47470ca741c2556a61c6cdf66
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87266852f9547d55132118fd19ac7f419319f3f47470ca741c2556a61c6cdf66/
Threat name:
Win64.Trojan.Rhadamanthys
Create hunting rule
Status:
Malicious
First seen:
2025-02-06 19:22:09 UTC
File Type:
PE+ (Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q4tgquxzkr6vkezbdd6rtld7igjrt47uorymu5a4evlkmhdm35ta._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/250207-lke43ayjbn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c22b240b-7fbd-4f39-b180-875366f05181
Unpacked files
SH256 hash:
87266852f9547d55132118fd19ac7f419319f3f47470ca741c2556a61c6cdf66
MD5 hash:
7509bb027024d8e7f0b9e95cb2d37f3e
SHA1 hash:
e70f159b213bc7dfa40aeb39e2f29b94db48cf35
Link:
https://www.unpac.me/results/7813dd6e-e861-4890-90e7-13e5d739a97f/
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87266852f954/report/overview.html
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/87266852f9547d55132118fd19ac7f419319f3f47470ca741c2556a61c6cdf66

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

File information

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

Web download

RustyStealer

Executable exe 87266852f9547d55132118fd19ac7f419319f3f47470ca741c2556a61c6cdf66

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3430809/
  
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 (GUARD_CF)high
CHECK_TRUST_INFORequires Elevated Execution (uiAccess:None)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileMappingA
kernel32.dll::CreateFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom

Comments