MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f285822ef8c947a87e556858a8332ed26edda052e597c67a7831753c376e01b4. 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: 8
| SHA256 hash: | f285822ef8c947a87e556858a8332ed26edda052e597c67a7831753c376e01b4 |
|---|---|
| SHA3-384 hash: | bbbaee78d5ed68b51b8d789894a24223361a28007389a11025b2a0c9afd0e52c5372b04a449912332e140abed5044d96 |
| SHA1 hash: | 03005c0c1469b7dbe9eff095bfd3ecbc3a713811 |
| MD5 hash: | c34157e025416d3ddf0a8610fa2e8b98 |
| humanhash: | angel-london-mobile-vermont |
| File name: | c34157e025416d3ddf0a8610fa2e8b98 |
| Download: | download sample |
| Signature | RevCodeRAT |
| File size: | 527'760 bytes |
| First seen: | 2021-06-13 15:50:23 UTC |
| Last seen: | 2021-06-13 16:42:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6930eddef69ab61e6824340dff912310 (2 x AZORult, 2 x BitRAT, 1 x Amadey) |
| ssdeep | 12288:F3QbugX6FgNAgKHDDn6KGxQLfgdVUUyAHE:dJfmNlKHiKGM4dVUUG |
| TLSH | 9AB4F11E77A442F1F9029E701D9552A073BEFC76661A460FE741BAE83AF3B80C491637 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe RevCodeRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CF3E02420036747DF018012AB33DEC0A.exe
Verdict:
Malicious activity
Analysis date:
2021-06-13 13:52:52 UTC
Tags:
trojan rat azorult loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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.
Verdict:
Malicious
Result
Threat name:
WebMonitor RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
Installs a global keyboard hook
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 WebMonitor RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Chapak
Status:
Malicious
First seen:
2021-06-09 17:21:45 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
webmonitor
Score:
10/10
Tags:
family:webmonitor backdoor infostealer persistence rat upx
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
UPX packed file
RevcodeRat, WebMonitorRat
Unpacked files
SH256 hash:
f285822ef8c947a87e556858a8332ed26edda052e597c67a7831753c376e01b4
MD5 hash:
c34157e025416d3ddf0a8610fa2e8b98
SHA1 hash:
03005c0c1469b7dbe9eff095bfd3ecbc3a713811
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | MALWARE_Win_RevCodeRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects RevCode/WebMonitor RAT |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | suspicious_packer_section |
|---|---|
| Author: | @j0sm1 |
| Description: | The packer/protector section names/keywords |
| Reference: | http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/ |
| Rule name: | win_webmonitor_w0 |
|---|---|
| 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
Delivery method
Distributed via web download
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