MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa63cf25cfc47e6a53dc1b286e425faa8775ac0311c47ca6c59d1950cfa03251. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa63cf25cfc47e6a53dc1b286e425faa8775ac0311c47ca6c59d1950cfa03251
SHA3-384 hash: e1b42765a7c542ef7a99d16a52157f349ff49c83e2857789eecc92a042de6b120e38cd69cfa068008ecb7dcbb9e31bc0
SHA1 hash: 16481ab398ad77608131d6ef9dbccce2965a970f
MD5 hash: f3b99592f40e424a2fb51e8f60b98077
humanhash: eighteen-ink-gee-butter
File name:SecuriteInfo.com.Win64.Evo-gen.20212.7823
Download: download sample
Signature RustyStealer
Create hunting rule
File size:886'272 bytes
First seen:2025-02-11 09:52:59 UTC
Last seen:2025-02-15 16:35:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 184e98d1d9ae7bd5be8a15e7dcad9e4c (4 x RustyStealer, 1 x Rhadamanthys)
ssdeep 24576:862XyfQvJkX7gwS264/8i3a/Hc2VQsNVrlgKueni:862XJvJkX7gwW4/Rb2+shXdn
TLSH T1E515CFD6F5649CA8F0EBC078831686726A67B88FF120697F12D0463C2E67E631F1C759
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 :
3
# of downloads :
359
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.20212.7823.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ab1e6249f32dfb0d82f4f4
Tags:
asyncrat crysan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Creating a process from a recently created file
Searching for synchronization primitives
Moving a recently created file
Moving a file to the %AppData% directory
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug crypt expand krypt lolbin obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ab4e6cb14095ae85fb4786/reports/af300d16-e1d7-4a28-9d09-1a76b2879937/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/aa63cf25cfc47e6a53dc1b286e425faa8775ac0311c47ca6c59d1950cfa03251
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/d172e9c6-9956-4b81-8ab7-e2c7845dddd7
Result
Threat name:
Xmrig, PureCrypter, AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1611947
Signature
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Detected Stratum mining protocol
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Potentially Suspicious Child Process Of Regsvr32
Sigma detected: Powershell launch regsvr32
Sigma detected: Xmrig
Suricata IDS alerts for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal Bitcoin Wallet information
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1611947 Sample: SecuriteInfo.com.Win64.Evo-... Startdate: 11/02/2025 Architecture: WINDOWS Score: 100 88 rx-eu-lon.unminable.com 2->88 90 rx.unmineable.com 2->90 92 4 other IPs or domains 2->92 112 Sigma detected: Xmrig 2->112 114 Suricata IDS alerts for network traffic 2->114 116 Antivirus detection for dropped file 2->116 118 8 other signatures 2->118 15 SecuriteInfo.com.Win64.Evo-gen.20212.7823.exe 3 5 2->15         started        20 regsvr32.exe 2->20         started        signatures3 process4 dnsIp5 100 93.88.203.169, 39001, 49706, 56001 DRAVANET-ASHU Hungary 15->100 66 C:\Users\user\AppData\...\Stamp_Setup.exe, PE32 15->66 dropped 68 C:\Users\user\AppData\...\u9KSgzq29lys.bat, DOS 15->68 dropped 102 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 15->102 104 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 15->104 106 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 15->106 110 2 other signatures 15->110 22 cmd.exe 1 15->22         started        108 Suspicious powershell command line found 20->108 25 powershell.exe 20->25         started        file6 signatures7 process8 signatures9 128 Uses ping.exe to sleep 22->128 130 Uses ping.exe to check the status of other devices and networks 22->130 27 Stamp_Setup.exe 2 22->27         started        31 conhost.exe 22->31         started        33 PING.EXE 1 22->33         started        35 chcp.com 1 22->35         started        132 Loading BitLocker PowerShell Module 25->132 37 conhost.exe 25->37         started        process10 file11 78 C:\Users\user\AppData\...\Stamp_Setup.tmp, PE32 27->78 dropped 140 Multi AV Scanner detection for dropped file 27->140 39 Stamp_Setup.tmp 3 6 27->39         started        signatures12 process13 file14 70 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 39->70 dropped 72 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 39->72 dropped 74 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 39->74 dropped 42 Stamp_Setup.exe 2 39->42         started        process15 file16 76 C:\Users\user\AppData\...\Stamp_Setup.tmp, PE32 42->76 dropped 45 Stamp_Setup.tmp 19 8 42->45         started        process17 file18 80 C:\Users\user\AppData\Roaming\is-H1DAG.tmp, PE32+ 45->80 dropped 82 C:\Users\user\AppData\...\9mpr_8.ocx (copy), PE32+ 45->82 dropped 84 C:\Users\user\AppData\...\unins000.exe (copy), PE32 45->84 dropped 86 4 other malicious files 45->86 dropped 48 regsvr32.exe 45->48         started        process19 process20 50 regsvr32.exe 16 2 48->50         started        dnsIp21 94 github.com 140.82.121.4, 443, 65257 GITHUBUS United States 50->94 96 raw.githubusercontent.com 185.199.110.133, 443, 65259 FASTLYUS Netherlands 50->96 120 System process connects to network (likely due to code injection or exploit) 50->120 122 Suspicious powershell command line found 50->122 124 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 50->124 126 4 other signatures 50->126 54 AddInProcess.exe 50->54         started        58 powershell.exe 50->58         started        60 powershell.exe 50->60         started        62 3 other processes 50->62 signatures22 process23 dnsIp24 98 rx-eu-lon.unminable.com 161.35.34.195, 3333, 65269, 65270 DIGITALOCEAN-ASNUS United States 54->98 134 Query firmware table information (likely to detect VMs) 54->134 136 Loading BitLocker PowerShell Module 58->136 64 conhost.exe 58->64         started        signatures25 138 Detected Stratum mining protocol 98->138 process26
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aa63cf25cfc47e6a53dc1b286e425faa8775ac0311c47ca6c59d1950cfa03251
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa63cf25cfc47e6a53dc1b286e425faa8775ac0311c47ca6c59d1950cfa03251/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-02-09 19:05:38 UTC
File Type:
PE+ (Exe)
Extracted files:
8
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vjr46jopyr7guu64dmug4qs7vkdxlladchchzjwftumvbt5agjiq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution spyware stealer
Link:
https://tria.ge/reports/250211-lwx41stjbz/
Behaviour
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Command and Scripting Interpreter: PowerShell
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9934b5ce-cb27-4859-8f34-65eb9be04f4c
Unpacked files
SH256 hash:
aa63cf25cfc47e6a53dc1b286e425faa8775ac0311c47ca6c59d1950cfa03251
MD5 hash:
f3b99592f40e424a2fb51e8f60b98077
SHA1 hash:
16481ab398ad77608131d6ef9dbccce2965a970f
Link:
https://www.unpac.me/results/5ac5e216-7640-4ce0-ae6b-f7ab9945e5e4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa63cf25cfc4/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/aa63cf25cfc47e6a53dc1b286e425faa8775ac0311c47ca6c59d1950cfa03251

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:NET
Create hunting rule
Author:malware-lu
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 aa63cf25cfc47e6a53dc1b286e425faa8775ac0311c47ca6c59d1950cfa03251

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3435924/
  
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

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