MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c675725093fc52813ef776f4c04acb080bcc017691987fd2c8db555911f6ab13. 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 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c675725093fc52813ef776f4c04acb080bcc017691987fd2c8db555911f6ab13
SHA3-384 hash: 9fecd2d271115a978b32935ed15b25fa369cc894327e7dd3798a5da960a043feb8f5c1dc3dc495ce0a17b19a71fa6a89
SHA1 hash: 4b46fb7e3b25d33b40f5894b0894f62f61a288b7
MD5 hash: 672849391b8b92a05c59640f1765b3d0
humanhash: crazy-alanine-berlin-equal
File name:C202000000164556_pdf.exe
Download: download sample
Signature XpertRAT
Create hunting rule
File size:1'108'992 bytes
First seen:2020-10-23 11:38:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:zDkC4viAk7GFggxYojTwC/wy6nnjqKoe:/r4/k7GfDlwXjqKoe
Threatray 418 similar samples on MalwareBazaar
TLSH 1E35BE433184CB54DA7D57F2E21484F46BF9ACAAD528D24B5ED23ECA3AF2F411912B07
Reporter abuse_ch
Tags:exe RAT XpertRAT


Avatar
abuse_ch
Malspam distributing XpertRAT:

HELO: 32490AF.online-server.cloud
Sending IP: 82.223.103.239
From: Maria Grazia <g.seminario@las-srl.it>
Subject: RV: YOUR INVOICE REQUEST
Attachment: C202000000164556_pdf.gz (contains "C202000000164556_pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection:
XpertRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75031/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.22299.13918.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file
Launching a process
Launching the default Windows debugger (dwwin.exe)
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
Reading critical registry keys
Unauthorized injection to a recently created process
Blocking the User Account Control
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun
Deleting of the original file
Result
Threat name:
MailPassView XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/508069
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Deletes itself after installation
Detected unpacking (creates a PE file in dynamic memory)
Disables user account control notifications
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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 MailPassView
Yara detected WebBrowserPassView password recovery tool
Yara detected XpertRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303155 Sample: C202000000164556_pdf.exe Startdate: 23/10/2020 Architecture: WINDOWS Score: 100 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected MailPassView 2->63 65 6 other signatures 2->65 9 C202000000164556_pdf.exe 1 2->9         started        13 Y1E5W2H0-W6U4-R5S1-S8J1-I3T1C6W3P336.exe 1 2->13         started        15 Y1E5W2H0-W6U4-R5S1-S8J1-I3T1C6W3P336.exe 2->15         started        17 Y1E5W2H0-W6U4-R5S1-S8J1-I3T1C6W3P336.exe 2->17         started        process3 file4 47 C:\Users\...\C202000000164556_pdf.exe.log, ASCII 9->47 dropped 71 Detected unpacking (creates a PE file in dynamic memory) 9->71 19 C202000000164556_pdf.exe 1 1 9->19         started        73 Multi AV Scanner detection for dropped file 13->73 22 Y1E5W2H0-W6U4-R5S1-S8J1-I3T1C6W3P336.exe 1 13->22         started        75 Injects a PE file into a foreign processes 15->75 24 Y1E5W2H0-W6U4-R5S1-S8J1-I3T1C6W3P336.exe 15->24         started        26 Y1E5W2H0-W6U4-R5S1-S8J1-I3T1C6W3P336.exe 1 17->26         started        signatures5 process6 signatures7 67 Changes security center settings (notifications, updates, antivirus, firewall) 19->67 69 Disables user account control notifications 19->69 28 iexplore.exe 3 9 19->28         started        process8 dnsIp9 55 79.134.225.97, 4726, 49715, 49716 FINK-TELECOM-SERVICESCH Switzerland 28->55 49 Y1E5W2H0-W6U4-R5S1-S8J1-I3T1C6W3P336.exe, PE32 28->49 dropped 51 C:\...\Y1E5W2H0-W6U4-R5S1-S8J1-I3T1C6W3P336, data 28->51 dropped 77 Creates an undocumented autostart registry key 28->77 79 Creates autostart registry keys with suspicious names 28->79 81 Writes to foreign memory regions 28->81 33 notepad.exe 28->33         started        36 iexplore.exe 13 28->36         started        39 iexplore.exe 28->39         started        41 5 other processes 28->41 file10 signatures11 process12 dnsIp13 57 Deletes itself after installation 33->57 53 192.168.2.1 unknown unknown 36->53 43 WerFault.exe 39->43         started        45 WerFault.exe 41->45         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c675725093fc52813ef776f4c04acb080bcc017691987fd2c8db555911f6ab13/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-23 09:47:30 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yz2xeuet7rjicpxxo32maswlbaf4yalwsgmh7uwi3nkvsepwvmjq._file
Verdict:
malicious
Similar samples:
031d0715451f6fda42db9d687361dbf4e516c5b78d59baea74d7c16395115a1b
XpertRAT
08927d7955b1be7fd05d81a73057242117540094dda7cca1c162f3aea18c2854
XpertRAT
28b2e9be250b41e1f4ec167dff3620f09597b7292ad23f0c48a8d6cdcc388959
XpertRAT
47230c3bcf570bb50440eee83fb83bebe937489895a2b3fee9805ad675fb239f
XpertRAT
5183105aacaf926e7358ff33a1503e58d712a9fc97800bbe8e26132284acb414
XpertRAT
59b88d9a9cc0b316b6cb94cae1e639933685da63bbbfe6c384acfbc11d430aae
XpertRAT
8963180e8b2e7e51c5abd716e7a562ad010f663c41a38015ad2566231a7da9af
XpertRAT
a36735377d731d16330587a190a99acbd5a1d9556e066d771268f8b4b6cd3821
XpertRAT
b8d430b1bdab27f5308b0f3817a50718dc72c01f0a126c44c15e0959efd3f588
XpertRAT
ff9d837e464eb07ad603c0b2ac0a35029117123c31570baeb61fca9a0242b493
XpertRAT
+ 408 additional samples on MalwareBazaar
Result
Malware family:
xpertrat
Create hunting rule
Score:
  10/10
Tags:
upx evasion trojan spyware persistence rat family:xpertrat
Link:
https://tria.ge/reports/201023-kytbb3bkb6/
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
UAC bypass
Windows security bypass
XpertRAT
XpertRAT Core Payload
Unpacked files
SH256 hash:
5ab6f37f66d756dade1fa24e54fda18944576d0bbe8ef8455882be83b26fb8ad
MD5 hash:
81d4dd074c426dd5431eb1fc79c04f02
SHA1 hash:
053e9d8fb50c8ae25e67f8683c87793069315d5a
Detections:
win_xpertrat_a0
Create hunting rule
win_xpertrat_auto
Create hunting rule
Link:
https://www.unpac.me/results/36f6e9e0-762e-4e85-a103-8879d2183247/
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
Link:
https://www.unpac.me/results/36f6e9e0-762e-4e85-a103-8879d2183247/
SH256 hash:
dce76c4cce290cca1bb90991323f7618262c3bb9fd4a29449448c921eaae47e5
MD5 hash:
81c26af1569d7425030699323ff69118
SHA1 hash:
f31674f0640a6b11609dd88e4209557ed57a87da
Link:
https://www.unpac.me/results/36f6e9e0-762e-4e85-a103-8879d2183247/
SH256 hash:
e90cf92b58e31104207cee53e25fa09d04fc47ddf1cb48066ce74f42106d37fd
MD5 hash:
5b68468867298b7c5a59290d5ea6c8aa
SHA1 hash:
c669e02a4d34180447278ead4bddbe46a68237db
Link:
https://www.unpac.me/results/36f6e9e0-762e-4e85-a103-8879d2183247/
SH256 hash:
7d0fb6c0135f6c4f2c0f2f774ea640459478eb0f086ef5bb2cbde2676c04c506
MD5 hash:
e5c44aac80bc38d4c948478ba2b1a766
SHA1 hash:
fd3f895803bdcdb675cb22546c04a5bbd0628b76
Detections:
win_xpertrat_a0
Create hunting rule
win_xpertrat_auto
Create hunting rule
Link:
https://www.unpac.me/results/36f6e9e0-762e-4e85-a103-8879d2183247/
Parent samples :
b8d430b1bdab27f5308b0f3817a50718dc72c01f0a126c44c15e0959efd3f588
c675725093fc52813ef776f4c04acb080bcc017691987fd2c8db555911f6ab13
SH256 hash:
c675725093fc52813ef776f4c04acb080bcc017691987fd2c8db555911f6ab13
MD5 hash:
672849391b8b92a05c59640f1765b3d0
SHA1 hash:
4b46fb7e3b25d33b40f5894b0894f62f61a288b7
Link:
https://www.unpac.me/results/36f6e9e0-762e-4e85-a103-8879d2183247/
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/c675725093fc52813ef776f4c04acb080bcc017691987fd2c8db555911f6ab13

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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

gz e5123b24fb0504e77f75f40f00478fad5e339a937c482080a3d733962312d400

XpertRAT

Executable exe c675725093fc52813ef776f4c04acb080bcc017691987fd2c8db555911f6ab13

(this sample)

  
Dropped by
MD5 1c4d2f2a314eb5f9465e6ff58e6d6bfa
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/75031/
  
Dropped by
SHA256 e5123b24fb0504e77f75f40f00478fad5e339a937c482080a3d733962312d400

Comments