MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dc838d8895ef1b1248c11c8241504556492713dcbe583c11039c8077b13ba042. 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
njrat
Vendor detections: 12
| SHA256 hash: | dc838d8895ef1b1248c11c8241504556492713dcbe583c11039c8077b13ba042 |
|---|---|
| SHA3-384 hash: | c1b15f14d1db1f06e347db78460d3259a262234c65f4b31fdd159c69039a7ee75e7e7456cc3cb181f9a97cca24a355a7 |
| SHA1 hash: | 19e21bc22bbe8b5e4ab05df5f7bbb4af4e71771b |
| MD5 hash: | c4f3a352c74ac7bd1337ee9b6b35e288 |
| humanhash: | cold-beryllium-jig-ack |
| File name: | SecuriteInfo.com.Win32.SpywareX-gen.17987.20908 |
| Download: | download sample |
| Signature | njrat |
| File size: | 2'518'016 bytes |
| First seen: | 2024-03-20 23:36:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | baa93d47220682c04d92f7797d9224ce (139 x RiseProStealer, 26 x Xtrat, 18 x CoinMiner) |
| ssdeep | 49152:Nw/AT28iuRnnyg9jG75jwEm6frTjxl8THTzIy2w8j:W/428tnygteM6D3xKTzL |
| Threatray | 392 similar samples on MalwareBazaar |
| TLSH | T10AC5331236C565B2E73490BD3DBFCC89037879131F61F63AE809EA2E61A7D58844EB17 |
| TrID | 52.9% (.EXE) Win32 Executable (generic) (4504/4/1) 23.5% (.EXE) Generic Win/DOS Executable (2002/3) 23.5% (.EXE) DOS Executable Generic (2000/1) |
| File icon (PE): |  |
| dhash icon | 60c0c0c4e030e460 (1 x njrat) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
596
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dc838d8895ef1b1248c11c8241504556492713dcbe583c11039c8077b13ba042.exe
Verdict:
Malicious activity
Analysis date:
2024-03-20 23:40:46 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a window
Creating a file in the %temp% directory
Searching for synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Changing a file
Sending a TCP request to an infection source
Sending a custom TCP request
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm packed packed themidawinlicense
Verdict:
Malicious
Labled as:
Trojan.Generic
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:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.SpywareX
Status:
Malicious
First seen:
2024-03-11 09:59:17 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 382 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
9/10
Tags:
evasion
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
dc838d8895ef1b1248c11c8241504556492713dcbe583c11039c8077b13ba042
MD5 hash:
c4f3a352c74ac7bd1337ee9b6b35e288
SHA1 hash:
19e21bc22bbe8b5e4ab05df5f7bbb4af4e71771b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
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