MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ed4997b7fc422a343672e1159ca3b4c96b318a63e5ee85dcd7ce1ae9ce7bcd1. 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 9 File information Comments

SHA256 hash: 3ed4997b7fc422a343672e1159ca3b4c96b318a63e5ee85dcd7ce1ae9ce7bcd1
SHA3-384 hash: 7268b80a8f6aa653f2a972615354ead1b474640343a33146f87f92a7ec4143cf41b136621a7aa065d543f0bda900dbcc
SHA1 hash: 49f5eea89fd1ee523dd6d5c1efb3b1bddee48764
MD5 hash: 65c2ae916c616382ed8d8df33aa50bbc
humanhash: delta-zulu-foxtrot-uranus
File name:file
Download: download sample
Signature RustyStealer
File size:6'301'696 bytes
First seen:2023-03-17 12:48:18 UTC
Last seen:2023-03-17 17:50:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 90930df37dc3798c0e5f7020bf134bc9 (1 x RustyStealer)
ssdeep 49152:lKgfSN6T+QgwZ20UEkoICscDrCq/olbBRNSHX83xs9wfETs7128vkVdDUj6zNs5k:hwZ2sqVRbNsCaSenC+nz1a
Threatray 10 similar samples on MalwareBazaar
TLSH T19B5629217F5AA9ADC19AC474C3468A725A7178CE1B35BAFF44C056343F29AF46F38318
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter andretavare5
Tags:exe RustyStealer


Avatar
andretavare5
Sample downloaded from http://179.43.175.11/chat-gpt.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-17 12:50:17 UTC
Tags:
loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Launching a process
Sending an HTTP GET request
Creating a file in the %AppData% directory
Running batch commands
Creating a process from a recently created file
DNS request
Using the Windows Management Instrumentation requests
Creating a file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
anti-debug greyware
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.
Result
Threat name:
RHADAMANTHYS
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes or reads registry keys via WMI
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 828712 Sample: file.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 89 xtryf4a1nl34pryc.u8gdoruabeashvgbv 2->89 99 Snort IDS alert for network traffic 2->99 101 Multi AV Scanner detection for dropped file 2->101 103 Multi AV Scanner detection for submitted file 2->103 105 5 other signatures 2->105 11 file.exe 1 2->11         started        15 putty.exe 2->15         started        17 putty.exe 2->17         started        signatures3 process4 dnsIp5 93 179.43.175.11, 49695, 80 PLI-ASCH Panama 11->93 85 C:\Users\user\AppData\Roaming\putty.exe, PE32 11->85 dropped 19 cmd.exe 1 11->19         started        21 powershell.exe 19 11->21         started        file6 process7 process8 23 putty.exe 7 19->23         started        28 conhost.exe 19->28         started        30 conhost.exe 21->30         started        dnsIp9 91 xtryf4a1nl34pryc.u8gdoruabeashvgbv 23->91 83 C:\Users\user\AppData\Local\...\5245281.dll, PE32 23->83 dropped 121 Machine Learning detection for dropped file 23->121 123 Writes to foreign memory regions 23->123 125 Allocates memory in foreign processes 23->125 127 Injects a PE file into a foreign processes 23->127 32 ngentask.exe 18 23->32         started        36 ngentask.exe 23->36         started        38 fontview.exe 28->38         started        file10 signatures11 process12 dnsIp13 87 185.246.220.89, 49700, 49701, 49706 LVLT-10753US Germany 32->87 71 C:\Users\user\AppData\Local\Temp\stil.exe, PE32 32->71 dropped 73 C:\Users\user\AppData\Roaming\...\bohx.exe, PE32 32->73 dropped 41 cmd.exe 1 32->41         started        43 cmd.exe 2 32->43         started        45 stil.exe 6 32->45         started        49 4 other processes 32->49 107 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 38->107 109 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 38->109 111 Queries memory information (via WMI often done to detect virtual machines) 38->111 113 2 other signatures 38->113 file14 signatures15 process16 dnsIp17 51 bohx.exe 8 41->51         started        54 conhost.exe 41->54         started        56 systeminfo.exe 1 1 43->56         started        59 conhost.exe 43->59         started        61 findstr.exe 1 43->61         started        95 ujgzqt1a2xx.exfakevdqll 45->95 129 Machine Learning detection for dropped file 45->129 63 ngentask.exe 45->63         started        97 ujgzqt1a2xx.exfakevdqll 49->97 131 Uses schtasks.exe or at.exe to add and modify task schedules 49->131 65 conhost.exe 49->65         started        67 conhost.exe 49->67         started        69 3 other processes 49->69 signatures18 process19 file20 75 C:\Users\user\AppData\...\PsInfo64.exe, PE32+ 51->75 dropped 77 C:\Users\user\AppData\Roaming\...\PsInfo.exe, PE32 51->77 dropped 79 C:\Users\user\AppData\Roaming\...\7zxa.dll, PE32 51->79 dropped 81 4 other files (2 malicious) 51->81 dropped 115 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 56->115 117 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 56->117 119 Writes or reads registry keys via WMI 56->119 signatures21
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2023-03-17 12:49:07 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
12 of 21 (57.14%)
Threat level:
  5/5
Result
Malware family:
rhadamanthys
Score:
  10/10
Tags:
family:rhadamanthys discovery stealer upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Gathers system information
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Drops startup file
Executes dropped EXE
Loads dropped DLL
UPX packed file
Downloads MZ/PE file
Nirsoft
Detect rhadamanthys stealer shellcode
Rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
3ed4997b7fc422a343672e1159ca3b4c96b318a63e5ee85dcd7ce1ae9ce7bcd1
MD5 hash:
65c2ae916c616382ed8d8df33aa50bbc
SHA1 hash:
49f5eea89fd1ee523dd6d5c1efb3b1bddee48764
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:dsc
Author:Aaron DeVera
Description:Discord domains
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Rustyloader_mem_loose
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:SUSP_OneNote
Author:spatronn
Description:Hard-Detect One
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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