MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535
SHA3-384 hash: 9c3abc28861d6066494d156ed2402131222992d8d51dfac76685b006aada778f8d77719642e627d13b0010216a8a9173
SHA1 hash: 0f68f676d76e3546d7d625cdb14f0947c59beff5
MD5 hash: cb12b24b0f69225693168e9c35761a1b
humanhash: zebra-alpha-eighteen-jig
File name:cb12b24b0f69225693168e9c35761a1b.exe
Download: download sample
Signature XpertRAT
Create hunting rule
File size:515'584 bytes
First seen:2021-09-30 06:04:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eFQl7WTk8h/3PmDPob6rbtwdkPcJujBPJa1Ymb6q+NPP1StOA:inKrh0TWFJa2zytOA
Threatray 5'017 similar samples on MalwareBazaar
TLSH T1D3B4AE723203BCDADABB4D79D10529004C5E3D679330CDDC768836AE90FB511DAAADE6
File icon (PE):PE icon
dhash icon 9ee5656565a5a585 (14 x NanoCore, 11 x XpertRAT, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe RAT XpertRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cb12b24b0f69225693168e9c35761a1b.exe
Verdict:
Malicious activity
Analysis date:
2021-09-30 06:07:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/188350a1-a387-4652-acb7-52dd0c6e061e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XpertRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/193344/
Detection(s):
SecuriteInfo.com.PWS-FCXSCB12B24B0F69.15654.10535.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/93f30d0d-0437-41fa-8976-7ae637c6111d
Result
Threat name:
XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/861564
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Detected unpacking (creates a PE file in dynamic memory)
Disables user account control notifications
Found malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes to foreign memory regions
Yara detected Generic Dropper
Yara detected XpertRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 493995 Sample: d0nW4rnFMi.exe Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 42 kapasky-antivirus.firewall-gateway.net 2->42 44 twitch.com 2->44 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 9 other signatures 2->60 9 d0nW4rnFMi.exe 5 2->9         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\d0nW4rnFMi.exe, PE32 9->36 dropped 38 C:\Users\...\d0nW4rnFMi.exe:Zone.Identifier, ASCII 9->38 dropped 40 C:\Users\user\AppData\...\d0nW4rnFMi.exe.log, ASCII 9->40 dropped 68 Writes to foreign memory regions 9->68 70 Allocates memory in foreign processes 9->70 72 Injects a PE file into a foreign processes 9->72 13 d0nW4rnFMi.exe 9->13         started        16 d0nW4rnFMi.exe 9->16         started        18 powershell.exe 74 9->18         started        21 4 other processes 9->21 signatures6 process7 dnsIp8 74 Changes security center settings (notifications, updates, antivirus, firewall) 13->74 76 Disables user account control notifications 13->76 23 iexplore.exe 13->23         started        78 Multi AV Scanner detection for dropped file 16->78 80 Detected unpacking (creates a PE file in dynamic memory) 16->80 82 Machine Learning detection for dropped file 16->82 46 twitch.com 52.26.156.186 AMAZON-02US United States 18->46 48 52.32.76.121 AMAZON-02US United States 18->48 50 54.203.125.101 AMAZON-02US United States 18->50 28 conhost.exe 18->28         started        30 conhost.exe 21->30         started        signatures9 process10 dnsIp11 52 kapasky-antivirus.firewall-gateway.net 91.121.250.249, 4000, 49779, 49780 OVHFR France 23->52 34 L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe, PE32 23->34 dropped 62 Creates an undocumented autostart registry key 23->62 64 Creates autostart registry keys with suspicious names 23->64 66 Writes to foreign memory regions 23->66 32 notepad.exe 23->32         started        file12 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-09-30 06:04:10 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zaygqp3qb4yr7y6vgpmettyelmol5vp7o3plvjwd3whxdqg2uu2q._file
Verdict:
malicious
Similar samples:
08927d7955b1be7fd05d81a73057242117540094dda7cca1c162f3aea18c2854
XpertRAT
59b88d9a9cc0b316b6cb94cae1e639933685da63bbbfe6c384acfbc11d430aae
XpertRAT
5c32fd3de4bce60a2529cebc5f47b8a1562ea9bd22549f829b22b0533b32f79b
XpertRAT
a36735377d731d16330587a190a99acbd5a1d9556e066d771268f8b4b6cd3821
XpertRAT
bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b
XpertRAT
daf3291e47f8659d58a505b5ed585987018001e08827f3aff1ab0bb860bd5c80
XpertRAT
ddde7cd1d82b5dee479ac17413690cedd04ad04ee14ae271d590da80e5a2a8bd
XpertRAT
e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242
XpertRAT
f8e52fa75724eb08c0ec68db6799740ad36c7178b8f0dd7c8b0ee755ff60c653
XpertRAT
+ 5'007 additional samples on MalwareBazaar
Result
Malware family:
xpertrat
Create hunting rule
Score:
  10/10
Tags:
family:xpertrat botnet:test evasion persistence rat trojan
Link:
https://tria.ge/reports/210930-gsm3esgfgl/
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
Adds Run key to start application
Checks whether UAC is enabled
Deletes itself
Windows security modification
Adds policy Run key to start application
UAC bypass
Windows security bypass
XpertRAT
XpertRAT Core Payload
Malware Config
C2 Extraction:
kapasky-antivirus.firewall-gateway.net:4000
Unpacked files
SH256 hash:
4dad2df926ed4fe925713eb9b8fdfdade5bd93a587e9fb4e457df784099d510a
MD5 hash:
8bce22a2be10d7426acd3ee15eb8b95e
SHA1 hash:
07da2335f664e16b4c2b66ec3f143f1a278ce074
Detections:
win_xpertrat_a0
Create hunting rule
win_xpertrat_auto
Create hunting rule
Link:
https://www.unpac.me/results/3f78148c-240c-420a-82e8-22f57f130c7d/
Parent samples :
85f0af15d708b6a2ea67a30f2a858efc9f32af678a5633289c297f588443cd7a
e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242
c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535
3e77ec2e0bbc394a1841bfb8f9b004f93fcbc35b401580abd01c92c41b6635aa
f2926aaea4603961e15c9ac92eb599ddd51bd6e19bd7fded285a1db16753db87
18bea0cb94e7c9213588f2e8b500d66f4716c0e6ae1b68ec62ba28c64c627ca5
c5a9b54887316170a328f0c1c1adab1db83debfe3b9f922c752c6f090c9abe9b
SH256 hash:
39563eb5e3f92df8aaf794cd0b32839279e4575b1787de9e34318a0c4dd901c2
MD5 hash:
3535cac73afbaa0405c988e392d075b5
SHA1 hash:
c9f8ab7df1c81f1406ded20d8f35b63469e85419
Link:
https://www.unpac.me/results/3f78148c-240c-420a-82e8-22f57f130c7d/
SH256 hash:
4a5deab4575d73a0b5f1ab820ec2653f6ce30fb57e341db76285f19485c1e7cd
MD5 hash:
7629f5d2c20ade0751a6a1766fbc6a3f
SHA1 hash:
a1c9e19b4365ac02cfdaf3a57b5e9d8bb5447199
Link:
https://www.unpac.me/results/3f78148c-240c-420a-82e8-22f57f130c7d/
SH256 hash:
c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535
MD5 hash:
cb12b24b0f69225693168e9c35761a1b
SHA1 hash:
0f68f676d76e3546d7d625cdb14f0947c59beff5
Link:
https://www.unpac.me/results/3f78148c-240c-420a-82e8-22f57f130c7d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c830683f700f/report/overview.html
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/c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535

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
Create hunting rule
Author:ditekSHen
Description:XpertRAT payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_xpertrat_auto
Create hunting rule
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.

Web download

XpertRAT

Executable exe c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/193344/
  
URLhaus
https://urlhaus.abuse.ch/url/1635950/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1649284/

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