MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44e0cbb71f45ffa77eecd718ba1bba3362da2b7d1ef260474a39d143acd65260. 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


RevCodeRAT


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44e0cbb71f45ffa77eecd718ba1bba3362da2b7d1ef260474a39d143acd65260
SHA3-384 hash: 1c484d75b00909b89df1ddb9cb47a59720303986969d4e483798226f2befadad6477fabdc3248421ebff22e15aa5e1aa
SHA1 hash: aab27fdbafcda18443c8241f73aba2898b42f69d
MD5 hash: 1c5f0d726c5e3cc0011ecd3addc29259
humanhash: ten-lake-charlie-oven
File name:SecuriteInfo.com.Trojan.GenericKDZ.73162.30196.8196
Download: download sample
Signature RevCodeRAT
Create hunting rule
File size:1'242'624 bytes
First seen:2021-02-25 17:50:27 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 24576:2FpGFfwhmx9HehJfE9IQxjm+Hahpx9+Q4KRa8C6xmFOh6052lt:YGFA29HgFEIQ7aF4KRHmFOh6
Threatray 47 similar samples on MalwareBazaar
TLSH 3C45122732E58508D9A05AB3F8B911801233FE55F512D95CB8EE3A0B7BB27710615FAF
Reporter SecuriteInfoCom
Tags:RevCodeRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://bit.ly/2O0JylF
Verdict:
Malicious activity
Analysis date:
2021-02-25 12:42:16 UTC
Tags:
loader
Link:
https://app.any.run/tasks/192b9d49-a166-4569-a369-a83691193315

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
RevCodeRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119279/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.73162.30196.8196.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Creating a window
Sending a UDP request
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
WebMonitor RAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/619041
Signature
Bypasses PowerShell execution policy
Contain functionality to detect virtual machines
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Powershell drops PE file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected Beds Obfuscator
Yara detected MultiObfuscated
Yara detected WebMonitor RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 358517 Sample: SecuriteInfo.com.Trojan.Gen... Startdate: 25/02/2021 Architecture: WINDOWS Score: 100 50 Multi AV Scanner detection for dropped file 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected WebMonitor RAT 2->54 56 8 other signatures 2->56 7 SecuriteInfo.com.Trojan.GenericKDZ.73162.30196.exe 2 2->7         started        10 Drivers.exe 2 2->10         started        process3 signatures4 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->60 62 Contain functionality to detect virtual machines 7->62 64 4 other signatures 7->64 12 powershell.exe 15 7->12         started        16 SecuriteInfo.com.Trojan.GenericKDZ.73162.30196.exe 2 13 7->16         started        19 WerFault.exe 23 9 7->19         started        21 Drivers.exe 10->21         started        23 WerFault.exe 10->23         started        25 powershell.exe 19 10->25         started        27 Drivers.exe 10->27         started        process5 dnsIp6 36 C:\Users\user\AppData\Roaming\...\Drivers.exe, PE32 12->36 dropped 38 C:\Users\user\...\Drivers.exe:Zone.Identifier, ASCII 12->38 dropped 66 Drops PE files to the startup folder 12->66 68 Powershell drops PE file 12->68 29 conhost.exe 12->29         started        44 d49ee8f23df08101a7e28d7c8e2eb5cd.se 16->44 46 68b4fe64d79f29651d78cff58049a89b.se 16->46 48 3 other IPs or domains 16->48 70 Creates autostart registry keys with suspicious names 16->70 72 Installs a global keyboard hook 16->72 31 WerFault.exe 21->31         started        40 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 23->40 dropped 34 conhost.exe 25->34         started        file7 signatures8 process9 file10 42 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 31->42 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44e0cbb71f45ffa77eecd718ba1bba3362da2b7d1ef260474a39d143acd65260/
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Create hunting rule
Status:
Malicious
First seen:
2021-02-25 02:30:42 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
1167a7d5a6192107c841eee3d1292914e2ddbe6b661f2c2c41f1c1977ac97372
RevCodeRAT
25321bc3e274b62ff03c184cd1a058645d41f842ce0b368019912ada6b3f34df
RevCodeRAT
3c8d5a42b3b1e9ec4c489d8ec98ba60d6d107e62b2d1a2cc43570840374ff05f
RevCodeRAT
4a2d48d163b550561583e4e5811dc43cb67045e7a9816c30fb8fde4af8dd06d5
RevCodeRAT
4dec812952bd5e2e6ee08fec35c3d78887feaf0269cf4f624b965b5f8c481652
RevCodeRAT
78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee
RevCodeRAT
8246f2b18a1592cc2a37c001e2415412f5e63d14220324ae8356981e25a4ba76
RevCodeRAT
b426493d22cf9ad03bb8958bb2d994119dd6fb014c23855775dd7a9660bb51a9
RevCodeRAT
ea49f722d6874e9b0b754f8116edceee6cdf4b85aa893d1b86053bfc506e5602
RevCodeRAT
fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea
RevCodeRAT
+ 37 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
persistence
Link:
https://tria.ge/reports/210225-tx9fa6vwzs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Beds Protector Packer
Unpacked files
SH256 hash:
d2c2101d7c7fdea22bd1546bf553d65a38fde56754447bd07fd7c70c7f04a7b4
MD5 hash:
aa255c0f54c7d61d82a8ac37421e2ec8
SHA1 hash:
3aecfb6b1bcd97cae15cf7d9b466e2411342433e
Detections:
win_webmonitor_w0
Create hunting rule
Link:
https://www.unpac.me/results/b4e132ff-a68f-42ae-a3ef-cb5f4419240c/
SH256 hash:
44178fb6ca4a3cbc6f89f3ac210de55b3f85603d26b02065287faf6f60b4d482
MD5 hash:
f8eb62799518c3bc20677da3ab9e8983
SHA1 hash:
a85229af7a51097b0190ab96f68ab27c1d227e30
Link:
https://www.unpac.me/results/b4e132ff-a68f-42ae-a3ef-cb5f4419240c/
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/b4e132ff-a68f-42ae-a3ef-cb5f4419240c/
SH256 hash:
44e0cbb71f45ffa77eecd718ba1bba3362da2b7d1ef260474a39d143acd65260
MD5 hash:
1c5f0d726c5e3cc0011ecd3addc29259
SHA1 hash:
aab27fdbafcda18443c8241f73aba2898b42f69d
Link:
https://www.unpac.me/results/b4e132ff-a68f-42ae-a3ef-cb5f4419240c/
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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_RevCodeRAT
Create hunting rule
Author:ditekSHen
Description:Detects RevCode/WebMonitor RAT
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:win_webmonitor_w0
Create hunting rule
Author:James_inthe_box
Description:Revcode RAT
Reference:ee1b9659f2193896ce3469b5f90b82af3caffcba428e8524be5a9fdf391d8dd8

File information

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

Web download

RevCodeRAT

Executable exe 44e0cbb71f45ffa77eecd718ba1bba3362da2b7d1ef260474a39d143acd65260

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1029464/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/119279/

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