MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a36735377d731d16330587a190a99acbd5a1d9556e066d771268f8b4b6cd3821. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a36735377d731d16330587a190a99acbd5a1d9556e066d771268f8b4b6cd3821
SHA3-384 hash: 129b8202711be3493fcf506e878929d344bf5d893201d47d378fc9b5328e117921222853cb076fae43593490aa7db369
SHA1 hash: 62ec70792894b003aa5ad208b576a2e182f0d3f0
MD5 hash: 920a84f8fce7b1b7bed3e1c7dfed6ace
humanhash: seventeen-leopard-mike-glucose
File name:bonifico.exe
Download: download sample
Signature XpertRAT
Create hunting rule
File size:953'344 bytes
First seen:2020-09-24 16:27:38 UTC
Last seen:2020-09-24 17:52:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:LR94nvMreRXa/yla6Uqm+o/kDrzlqGZQ+3ocujQNIqWiLpYruy5g1aj9/RdLIT5C:LR9eRXa/Sa6Uq0/kDrzRb26nnjqKoeK
Threatray 32 similar samples on MalwareBazaar
TLSH D9156CDE751071DECC6BC0B29B691C64B750A8BB830F4203A657229EDE8D997CF245B3
Reporter JAMESWT_WT
Tags:XpertRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/65507/
Detection(s):
SecuriteInfo.com.Variant.Strictor.173928.5877.27632.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Result
Threat name:
XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/474438
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Deletes itself after installation
Detected unpacking (changes PE section rights)
Disables user account control notifications
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
PE file contains section with special chars
PE file has nameless sections
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Generic Dropper
Yara detected XpertRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 289666 Sample: bonifico.exe Startdate: 24/09/2020 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 8 other signatures 2->55 8 bonifico.exe 1 4 2->8         started        process3 file4 43 C:\Users\user\AppData\...\bonifico.exe.log, ASCII 8->43 dropped 65 Detected unpacking (changes PE section rights) 8->65 67 Injects a PE file into a foreign processes 8->67 69 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->69 12 bonifico.exe 8->12         started        15 powershell.exe 25 8->15         started        17 powershell.exe 21 8->17         started        19 11 other processes 8->19 signatures5 process6 signatures7 71 Changes security center settings (notifications, updates, antivirus, firewall) 12->71 73 Disables user account control notifications 12->73 21 iexplore.exe 12->21         started        26 conhost.exe 15->26         started        28 conhost.exe 17->28         started        30 conhost.exe 19->30         started        32 conhost.exe 19->32         started        34 conhost.exe 19->34         started        36 8 other processes 19->36 process8 dnsIp9 45 79.134.225.97, 4726, 49721, 49722 FINK-TELECOM-SERVICESCH Switzerland 21->45 47 91.193.75.200, 4726, 49720 DAVID_CRAIGGG Serbia 21->47 41 P4U8N5X3-N0E7-P7T5-M113-K7R6K4S0G6G6.exe, PE32 21->41 dropped 59 Creates an undocumented autostart registry key 21->59 61 Creates autostart registry keys with suspicious names 21->61 63 Writes to foreign memory regions 21->63 38 notepad.exe 21->38         started        file10 signatures11 process12 signatures13 57 Deletes itself after installation 38->57
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a36735377d731d16330587a190a99acbd5a1d9556e066d771268f8b4b6cd3821/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-09-24 12:55:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=unttkn35omormmyfq6qzbkm2zpk2dwkvnydg25ysnd4ljnwnhaqq._file
Verdict:
malicious
Similar samples:
3816c271634e3a2861904c643e3f82fcc3e50ce185394dae41b69e13e0165a95
XpertRAT
4387ac7995e6dfd469ee49ddafe67654b6672545775ac30544e94dde4452bc6d
XpertRAT
54c9ce578a123b2abbcb00af7638f3d1c93041959ebccf3981a099a869c5a171
XpertRAT
55a96dd92207c640127fb5f7efd5bdc352eb740f134f22b37eb3292abf8c337a
XpertRAT
57aa81416cfdbd76df2a15cb14810f8529ecab0eea978210a4ef3047f35a225e
XpertRAT
a1ca46a8c41e45116351ecd3926bca9bc16b95a2aacecc100a7c62716e8f1274
XpertRAT
d87c321887e33a1f90a29b21be81459835a725d9a056916b1cafaaacc06169f5
XpertRAT
dc186623afc0375b9ebd176481a9f37268351cac07f2825b8221124ec7ac9edc
XpertRAT
dedad3d7a97da9f0103dd87d86a422e38f581879c41ab07594d141eb303d2de9
XpertRAT
eaab0de271ab0a0a59a3db2c79ec4e0b9c6f645d4c49bb0deadb3c3469fb19a8
XpertRAT
+ 22 additional samples on MalwareBazaar
Result
Malware family:
xpertrat
Create hunting rule
Score:
  10/10
Tags:
upx evasion trojan rat family:xpertrat persistence spyware
Link:
https://tria.ge/reports/200924-hnz7b7ms3e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Windows security modification
Adds policy Run key to start application
UPX packed file
Modifies Windows Defender Real-time Protection settings
UAC bypass
Windows security bypass
XpertRAT
XpertRAT Core Payload
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:win_xpertrat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/65507/

Comments