MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47230c3bcf570bb50440eee83fb83bebe937489895a2b3fee9805ad675fb239f. 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: 47230c3bcf570bb50440eee83fb83bebe937489895a2b3fee9805ad675fb239f
SHA3-384 hash: db5986f9a4508e96782129556329ee1fe08a288925b032940a532a3853fe4bf44d7b1ba787f4801f7332c1aee87f94b6
SHA1 hash: c462561babf3f27d9afb5ebd1b07629f64baa4d3
MD5 hash: 7694cacbd4702388c664661eeff13bd4
humanhash: lake-beryllium-lactose-sweet
File name:WaybillDoc_9910812295.exe
Download: download sample
Signature XpertRAT
Create hunting rule
File size:392'192 bytes
First seen:2020-07-29 05:21:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:HGk33Z9ETjrGkp1z/o7AIBsW12kZi//+HG5O4bpa4gn0xDBezTdb0jg5aiDfM5RM:HGk3J9+uoZ/BIB5gkZk0eO4ta4g0ZBeB
Threatray 296 similar samples on MalwareBazaar
TLSH E784122D03C80B0BDD5DA4F485911E4567F4F2B635C2EAA97CC6A3ED68E33E3074169A
Reporter abuse_ch
Tags:exe nVpn RAT XpertRAT


Avatar
abuse_ch
Malspam distributing XpertRAT:

HELO: server.kibriswebtasarimi.com
Sending IP: 176.9.21.149
From: DHL EXPRESS <notice@dhl.com>
Subject: SHOWS Waybill
Attachment: WaybillDoc_9910812295.zip (contains "WaybillDoc_9910812295.exe")

XpertRAT C2:
194.5.99.136:3135
79.134.225.85:3135

Hosted on nVpn:

% Information related to '194.5.99.0 - 194.5.99.255'

% Abuse contact for '194.5.99.0 - 194.5.99.255' is 'abuse@privacyfirst.sh'

inetnum: 194.5.99.0 - 194.5.99.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU6
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-07-20T20:42:53Z
last-modified: 2020-07-28T21:06:37Z
source: RIPE


% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34118/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Deleting a recently created file
Replacing files
Unauthorized injection to a recently created process
Blocking the User Account Control
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Enabling autorun
Result
Threat name:
XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401181
Signature
Allocates memory in foreign processes
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Detected unpacking (creates a PE file in dynamic memory)
Disables UAC (registry)
Disables user account control notifications
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
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: 252803 Sample: WaybillDoc_9910812295.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Yara detected XpertRAT 2->51 53 Yara detected AntiVM_3 2->53 55 4 other signatures 2->55 7 WaybillDoc_9910812295.exe 3 2->7         started        11 G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe 3 2->11         started        13 G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe 2 2->13         started        15 2 other processes 2->15 process3 file4 33 C:\Users\...\WaybillDoc_9910812295.exe.log, ASCII 7->33 dropped 57 Detected unpacking (creates a PE file in dynamic memory) 7->57 17 WaybillDoc_9910812295.exe 1 1 7->17         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 20 G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe 1 11->20         started        22 G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe 11->22         started        24 G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe 1 13->24         started        26 G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe 1 15->26         started        signatures5 process6 signatures7 41 Changes security center settings (notifications, updates, antivirus, firewall) 17->41 43 Disables user account control notifications 17->43 45 Writes to foreign memory regions 17->45 47 3 other signatures 17->47 28 iexplore.exe 3 8 17->28         started        process8 dnsIp9 37 79.134.225.85, 3135, 49728, 49729 FINK-TELECOM-SERVICESCH Switzerland 28->37 39 194.5.99.136, 3135 DANILENKODE Netherlands 28->39 35 G2G228Q5-P8H1-G1U7-U4L6-D1K007E3Y0Y8.exe, PE32 28->35 dropped 63 Creates an undocumented autostart registry key 28->63 65 Creates autostart registry keys with suspicious names 28->65 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/47230c3bcf570bb50440eee83fb83bebe937489895a2b3fee9805ad675fb239f/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 05:23:05 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=i4rqyo6pk4f3kbca53ud7ob35putoseyswrlh7xjqbnnm5p3eopq._file
Verdict:
malicious
Similar samples:
03d096681e35f4e133a08a93c5bed400832d61367f150f65627bf4adf06cc455
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276963ec4efb403c18a96f94786c7b9f775a1bb22169636d8f594241288df9d3
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477cb5bab3165ce1ab6479c08937920b3b88ea3860fd69d74f8e6cdd644ce0b9
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55897dc537d308842906dbf8bffde6eb846cdd6b5e9584d7efcbe7c342d5e699
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71780838c65e2e41dcadb7ca2dcb77577e30288049f1d74dee5ede2e70ff4115
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79a7d90445609d24c5087019933e6d16ae3001d6503360d8020d1ffeb09fbeab
XpertRAT
a2afda47f4169023bca3c730a48e58d6c40e84236b959a871e883ded3304d5fb
XpertRAT
ada06fa53bcebf55db1efd74571846489efb56f71f3e8283e157e78c69da8ee4
XpertRAT
dc186623afc0375b9ebd176481a9f37268351cac07f2825b8221124ec7ac9edc
XpertRAT
f47d762b27ea2b15ebede9b47141d2a9ea759409849f4fb4799088193eedceb3
XpertRAT
+ 286 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200729-qbj5jrxana/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
System policy modification
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Windows security modification
Adds policy Run key to start application
UAC bypass
Windows security bypass
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/47230c3bcf570bb50440eee83fb83bebe937489895a2b3fee9805ad675fb239f

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.

Malspam

XpertRAT

zip 18919b2621fa34a4d1ba698fb8ec198f6fceb6fa904e0287574f5774a69d2ba2

XpertRAT

Executable exe 47230c3bcf570bb50440eee83fb83bebe937489895a2b3fee9805ad675fb239f

(this sample)

  
Dropped by
MD5 0726be5c1522de6e13e544e1aea0ec36
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34118/
  
Dropped by
SHA256 18919b2621fa34a4d1ba698fb8ec198f6fceb6fa904e0287574f5774a69d2ba2

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