MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c57fb95b67660646d6e37a04eb78e010c6a629e1fd8590aaeb4093dea0fad1f. 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: 4c57fb95b67660646d6e37a04eb78e010c6a629e1fd8590aaeb4093dea0fad1f
SHA3-384 hash: 9965e4a640b9bac1e36a911a70bea05fa040555c53aaa7db69abde7b20d98cf770a91c1e2ae8d42001ba327de2781188
SHA1 hash: f97cc4ecc429d57d44674511d518f9e6b428e7b3
MD5 hash: 7236e64dc6eb9e21ae4c16239820713f
humanhash: pluto-twelve-autumn-lima
File name:orden pendiente #3422.exe
Download: download sample
Signature XpertRAT
Create hunting rule
File size:391'680 bytes
First seen:2022-01-20 07:28:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:kwADTLF3wGGtaEzMjvnkRUcb/YZqGJHyx7txcfez7bEfS8zprR/zGS7B:ArW9taEzIndcb8qGJ4gfenKScrRG2B
Threatray 6'504 similar samples on MalwareBazaar
TLSH T15A8402107BFE2769EBEA87F876319050937539573163D62C4D4960DE28B2F828782B37
Reporter lowmal3
Tags:exe XpertRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Detection:
XpertRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/220923/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed print.exe update.exe
Link:
https://www.filescan.io/uploads/61e90f40d32385db630d770c/reports/4950513b-d9e1-4192-9d2f-4035e0409d89/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc3fc0cf-6276-4a27-80d1-1f1bc16256c3
Result
Threat name:
MailPassView XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/924073
Signature
.NET source code contains potential unpacker
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 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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
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: 556551 Sample: orden pendiente #3422.exe Startdate: 20/01/2022 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Detected unpacking (creates a PE file in dynamic memory) 2->72 74 9 other signatures 2->74 9 orden pendiente #3422.exe 3 2->9         started        13 I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe 3 2->13         started        15 I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe 2 2->15         started        17 I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe 2->17         started        process3 file4 62 C:\Users\...\orden pendiente #3422.exe.log, ASCII 9->62 dropped 84 Injects a PE file into a foreign processes 9->84 19 orden pendiente #3422.exe 1 1 9->19         started        22 orden pendiente #3422.exe 9->22         started        86 Multi AV Scanner detection for dropped file 13->86 88 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 13->88 90 Machine Learning detection for dropped file 13->90 24 I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe 1 13->24         started        26 I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe 13->26         started        28 I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe 15->28         started        30 I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe 17->30         started        signatures5 process6 signatures7 80 Changes security center settings (notifications, updates, antivirus, firewall) 19->80 82 Disables user account control notifications 19->82 32 iexplore.exe 3 8 19->32         started        37 iexplore.exe 19->37         started        39 iexplore.exe 19->39         started        process8 dnsIp9 64 hgtrading.ydns.eu 62.197.136.115, 49751, 49752, 49753 SPRINTLINKUS Netherlands 32->64 58 I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7.exe, PE32 32->58 dropped 60 C:\...\I4G3L113-M7Y0-X0M5-M3D5-U8C7U551Q8Q7, data 32->60 dropped 76 Creates an undocumented autostart registry key 32->76 78 Creates autostart registry keys with suspicious names 32->78 41 iexplore.exe 2 32->41         started        44 iexplore.exe 32->44         started        46 iexplore.exe 32->46         started        52 4 other processes 32->52 48 WerFault.exe 37->48         started        50 WerFault.exe 39->50         started        file10 signatures11 process12 dnsIp13 66 192.168.2.1 unknown unknown 41->66 54 WerFault.exe 44->54         started        56 WerFault.exe 46->56         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c57fb95b67660646d6e37a04eb78e010c6a629e1fd8590aaeb4093dea0fad1f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-20 07:29:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrl7xfnwozqgi3log6qe5n4oaegguyu6d7mfscvowqet32qpvupq._file
Verdict:
malicious
Similar samples:
29a4c9380a91012be5a2b3659f9a4c46d0eca15c689a95707f78ccde9cd11f02
XpertRAT
49b1f7e34f74b3ea4b97852292dfd6e856a58f74a181f5a3aadd6356503ae617
XpertRAT
53174a644680154786d09b66cc8c4a1aa83c625bd10137600bf191573fa5c602
XpertRAT
57a3bde46b00d57d8a57fb821f22843f608ecad6e643a3e8b58d1a3902bb3c0d
XpertRAT
5c32fd3de4bce60a2529cebc5f47b8a1562ea9bd22549f829b22b0533b32f79b
XpertRAT
6d05c6f5356b5d1a4802d1b110dd5e6b9136f0b61081130f02404a9312fcd5fe
XpertRAT
a6c456dcee9a9c53aeb0360bdb52a682137745ad9ec607fce1199e24cd348ee5
XpertRAT
ae83f208925ec791bd10f37e0cd1bfc98473ea586c4814288a243c7d579c2e55
XpertRAT
bd6cf98ff23cdad2f5bb43bb60e61275d8ad1ad7baeb609aa0a812fc048fede0
XpertRAT
d6390558e6f860877f95e6cf83ebc2fa028da6f469d75f73b27afe92900fbc7f
XpertRAT
+ 6'494 additional samples on MalwareBazaar
Result
Malware family:
xpertrat
Create hunting rule
Score:
  10/10
Tags:
family:xpertrat collection evasion persistence rat trojan
Link:
https://tria.ge/reports/220120-ja882sgfhr/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Windows security modification
Adds policy Run key to start application
Looks for VMWare Tools registry key
Sets service image path in registry
Looks for VirtualBox Guest Additions in registry
UAC bypass
Windows security bypass
XpertRAT
Unpacked files
SH256 hash:
06520a69538d70af2ec1cb5ab02a7c45cdca0f10d31d153f19abad98fad63762
MD5 hash:
08248dfed05745a417ba00e9967d4718
SHA1 hash:
1b0a7122d71db352d11a81729aba0fcfae4df834
Detections:
win_xpertrat_a0
Create hunting rule
win_xpertrat_auto
Create hunting rule
Link:
https://www.unpac.me/results/cb20096b-abaa-43e5-a21f-771c3a898ac5/
Parent samples :
4c57fb95b67660646d6e37a04eb78e010c6a629e1fd8590aaeb4093dea0fad1f
857e88abbcf84ed98d208749da6457a7858176656f7ed4916adf355794e67fec
71cd3e3afcd5a2df4cc2092f8724b24c6a8cc7e6f44f77cc8174dac0a565f98b
149e45d691c1504ee820a8e8473be7d2eeb6eb840cb372052b2187b7dd4d34d2
SH256 hash:
41e3aee5f37fa00cd78f6c061b2444956762af6c1926b5698e5d599bf2c62dd3
MD5 hash:
476bd9275ab8d6226adcb825db9f428f
SHA1 hash:
8c068f9bf9c7bc73332c176b2e9e629eed2c8852
Link:
https://www.unpac.me/results/cb20096b-abaa-43e5-a21f-771c3a898ac5/
SH256 hash:
6f5048dfde8fd8af8e93d8b7cb5b2ddeb90fae6cd05b481948dc15c4853a7679
MD5 hash:
e0ff519612279ae22db0761ff14f2c51
SHA1 hash:
7b19c46e4a4f1e3968a8b4e9c6aa171beabf6482
Link:
https://www.unpac.me/results/cb20096b-abaa-43e5-a21f-771c3a898ac5/
SH256 hash:
8b25188a1581753b0faa89a7e371d2cc852fd95635b8503b6b20a4263af486e8
MD5 hash:
384cab014157440d3c462a97689e40ff
SHA1 hash:
4b91e7dfd574e04db14d2e3223df9327a5b95ba2
Link:
https://www.unpac.me/results/cb20096b-abaa-43e5-a21f-771c3a898ac5/
SH256 hash:
4c57fb95b67660646d6e37a04eb78e010c6a629e1fd8590aaeb4093dea0fad1f
MD5 hash:
7236e64dc6eb9e21ae4c16239820713f
SHA1 hash:
f97cc4ecc429d57d44674511d518f9e6b428e7b3
Link:
https://www.unpac.me/results/cb20096b-abaa-43e5-a21f-771c3a898ac5/
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/4c57fb95b67660646d6e37a04eb78e010c6a629e1fd8590aaeb4093dea0fad1f

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

XpertRAT

Executable exe 4c57fb95b67660646d6e37a04eb78e010c6a629e1fd8590aaeb4093dea0fad1f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/220923/

Comments