MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 524881f1bcc00d0a27ab7829b776e32844b3e9f19cea0bfae32b95a6a8006ffc. 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



XpertRAT


Vendor detections: 10


Intelligence 10 IOCs 1 YARA 2 File information Comments

SHA256 hash: 524881f1bcc00d0a27ab7829b776e32844b3e9f19cea0bfae32b95a6a8006ffc
SHA3-384 hash: b284e7ed8f9efaf1abf8a4da15a4a6466e7a50f7576ab44c6fe0ee35c7a4540daa052264c3bab2166bec17de3da1bdce
SHA1 hash: d4b531649a46e252dbaa6bdb279b9dc18d8b3bd4
MD5 hash: 2c9e55d24d5853836195834ea08d31ba
humanhash: bakerloo-sweet-item-saturn
File name:RT 009435 PO-20220207.pdf(78KB).exe
Download: download sample
Signature XpertRAT
File size:352'590 bytes
First seen:2022-02-07 08:06:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:nwKSBMikHMiOjjlmuirUFAWytu9TPdbuEqZ:kBMiknOjviAA3yTPZuE2
Threatray 912 similar samples on MalwareBazaar
TLSH T1D474DFD63684A45ED0BD74752F9AC3AE766B7F3E5A12252333B43B6ED8360C2F501281
File icon (PE):PE icon
dhash icon ce8cccd4e8e0d48a (4 x XpertRAT)
Reporter lowmal3
Tags:exe XpertRAT

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
62.197.136.112:8494 https://threatfox.abuse.ch/ioc/382079/

Intelligence


File Origin
# of uploads :
1
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a window
Changing a file
Launching a process
Enabling the 'hidden' option for recently created files
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Blocking the User Account Control
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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:
MailPassView XpertRAT
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
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Disables user account control notifications
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected Generic Dropper
Yara detected MailPassView
Yara detected WebBrowserPassView password recovery tool
Yara detected XpertRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 567429 Sample: RT 009435 PO-20220207.pdf(7... Startdate: 07/02/2022 Architecture: WINDOWS Score: 100 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 75 10 other signatures 2->75 9 RT 009435 PO-20220207.pdf(78KB).exe 1 21 2->9         started        13 bhpr.exe 17 2->13         started        15 W550U6F4-U1L8-W8B6-B6S5-A8Y7R551N7N7.exe 17 2->15         started        17 3 other processes 2->17 process3 file4 51 C:\Users\user\AppData\Roaming\...\bhpr.exe, PE32 9->51 dropped 53 C:\Users\user\AppData\Local\...\vrhlgxyny.dll, PE32 9->53 dropped 91 Creates multiple autostart registry keys 9->91 93 Injects a PE file into a foreign processes 9->93 19 RT 009435 PO-20220207.pdf(78KB).exe 1 1 9->19         started        55 C:\Users\user\AppData\Local\...\vrhlgxyny.dll, PE32 13->55 dropped 95 Multi AV Scanner detection for dropped file 13->95 97 Machine Learning detection for dropped file 13->97 99 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->99 22 bhpr.exe 1 13->22         started        57 C:\Users\user\AppData\Local\...\vrhlgxyny.dll, PE32 15->57 dropped 24 W550U6F4-U1L8-W8B6-B6S5-A8Y7R551N7N7.exe 1 15->24         started        59 C:\Users\user\AppData\Local\...\vrhlgxyny.dll, PE32 17->59 dropped 61 C:\Users\user\AppData\Local\...\vrhlgxyny.dll, PE32 17->61 dropped 63 C:\Users\user\AppData\Local\...\vrhlgxyny.dll, PE32 17->63 dropped 26 W550U6F4-U1L8-W8B6-B6S5-A8Y7R551N7N7.exe 1 17->26         started        28 bhpr.exe 17->28         started        30 W550U6F4-U1L8-W8B6-B6S5-A8Y7R551N7N7.exe 17->30         started        signatures5 process6 signatures7 83 Changes security center settings (notifications, updates, antivirus, firewall) 19->83 85 Disables user account control notifications 19->85 87 Writes to foreign memory regions 19->87 89 3 other signatures 19->89 32 iexplore.exe 3 8 19->32         started        process8 dnsIp9 65 vvcc.ydns.eu 62.197.136.112, 49759, 49760, 49761 SPRINTLINKUS Netherlands 32->65 67 tydxd.soon.it 127.0.0.2 unknown unknown 32->67 47 W550U6F4-U1L8-W8B6-B6S5-A8Y7R551N7N7.exe, PE32 32->47 dropped 49 C:\...\W550U6F4-U1L8-W8B6-B6S5-A8Y7R551N7N7, data 32->49 dropped 77 Creates an undocumented autostart registry key 32->77 79 Creates autostart registry keys with suspicious names 32->79 81 Creates multiple autostart registry keys 32->81 37 iexplore.exe 32->37         started        39 iexplore.exe 2 32->39         started        41 iexplore.exe 1 32->41         started        43 3 other processes 32->43 file10 signatures11 process12 process13 45 WerFault.exe 37->45         started       
Threat name:
Win32.Trojan.SpyNoon
Status:
Malicious
First seen:
2022-02-07 08:07:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
xpertrat
Score:
  10/10
Tags:
family:xpertrat collection evasion persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Windows security modification
Adds policy Run key to start application
UAC bypass
Windows security bypass
XpertRAT
Unpacked files
SH256 hash:
18cc02c2c6cb2fee75e422163bbafbfc42cce7a191d5364f8b34767b833649ae
MD5 hash:
b9754bd6784133e70c5fbc565ba101f4
SHA1 hash:
2340f706dd48dabd1144f454c301bc5e87e63cc3
SH256 hash:
524881f1bcc00d0a27ab7829b776e32844b3e9f19cea0bfae32b95a6a8006ffc
MD5 hash:
2c9e55d24d5853836195834ea08d31ba
SHA1 hash:
d4b531649a46e252dbaa6bdb279b9dc18d8b3bd4
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:MALWARE_Win_XpertRAT
Author:ditekSHen
Description:XpertRAT payload
Rule name:win_xpertrat_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xpertrat.

File information


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

Malspam

XpertRAT

Executable exe 524881f1bcc00d0a27ab7829b776e32844b3e9f19cea0bfae32b95a6a8006ffc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments