MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4960838a390adf1ea412850ca14f15ce7c201fa967c0089df97742ee517ed0fe. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash: 4960838a390adf1ea412850ca14f15ce7c201fa967c0089df97742ee517ed0fe
SHA3-384 hash: ecdc97b2f1d37ad3c4c1d3503513cce6f03df38c51cb4119434a635942e4cdd078b44aa3ecf144f35659f40f67d5666c
SHA1 hash: 6453d1f200f568b7964861c683a4f519431a9468
MD5 hash: e91f3ec430934cf29cda88d9b730d893
humanhash: spring-artist-table-cat
File name:4960838a390adf1ea412850ca14f15ce7c201fa967c0089df97742ee517ed0fe.exe
Download: download sample
Signature njrat
File size:815'440 bytes
First seen:2024-10-13 17:07:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1c5b1beabd90d9fdabd1df0779ea832 (11 x CoinMiner, 10 x QuasarRAT, 8 x AsyncRAT)
ssdeep 12288:wyveQB/fTHIGaPkKEYzURNAwbAg/KyEbx/j76eLaOfqPCm+3KP8ps1uZ:wuDXTIGaPhEYzUzA0kyE1jue+AvUG
Threatray 242 similar samples on MalwareBazaar
TLSH T12505D00EE79928F9E076D578C9538A42E37D7C4953B0478F22E54A3E2F672B0CE29750
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon f0d4820ccecef4f8 (7 x AsyncRAT, 6 x XWorm, 5 x CoinMiner)
Reporter Chainskilabs
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
401
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Solara.exe
Verdict:
Malicious activity
Analysis date:
2024-10-10 09:06:11 UTC
Tags:
pastebin loader xworm ims-api generic phishing telegram

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Powershell Autorun Gumen
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat backdoor cmd explorer fingerprint installer lockscreen lolbin lolbin macros-on-open microsoft_visual_cc msiexec nanocore njrat overlay packed rat rijndael schtasks setupapi sfx shdocvw shell32 xworm
Result
Verdict:
SUSPICIOUS
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:
NoCry, XWorm
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to capture screen (.Net source)
Drops PE files with benign system names
Found malware configuration
Infects the VBR (Volume Boot Record) of the hard disk
Loading BitLocker PowerShell Module
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
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes directly to the primary disk partition (DR0)
Yara detected Generic Downloader
Yara detected NoCry Ransomware
Yara detected Powershell download and execute
Yara detected Telegram RAT
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1532623 Sample: 8svMXMXNRn.exe Startdate: 13/10/2024 Architecture: WINDOWS Score: 100 88 pastebin.com 2->88 90 api.telegram.org 2->90 92 10 other IPs or domains 2->92 108 Multi AV Scanner detection for domain / URL 2->108 110 Suricata IDS alerts for network traffic 2->110 112 Found malware configuration 2->112 118 20 other signatures 2->118 11 8svMXMXNRn.exe 9 2->11         started        14 explorer.exe 2->14         started        17 explorer.exe 2->17         started        19 6 other processes 2->19 signatures3 114 Connects to a pastebin service (likely for C&C) 88->114 116 Uses the Telegram API (likely for C&C communication) 90->116 process4 file5 78 C:\Users\user\AppData\...\BootstrapperV21.exe, PE32 11->78 dropped 80 C:\Users\user\AppData\...\Bootstrapper.exe, PE32+ 11->80 dropped 21 BootstrapperV21.exe 18 193 11->21         started        26 Bootstrapper.exe 14 7 11->26         started        148 Antivirus detection for dropped file 14->148 150 Multi AV Scanner detection for dropped file 14->150 152 Machine Learning detection for dropped file 14->152 signatures6 process7 dnsIp8 98 api.telegram.org 149.154.167.220, 443, 49999 TELEGRAMRU United Kingdom 21->98 100 cash-hispanic.gl.at.ply.gg 147.185.221.23, 1764, 50002, 50003 SALSGIVERUS United States 21->100 72 C:\Users\user\AppData\Roaming\explorer.exe, PE32 21->72 dropped 74 C:\Users\user\AppData\Local\Temp\voosiq.exe, PE32+ 21->74 dropped 120 Antivirus detection for dropped file 21->120 122 Multi AV Scanner detection for dropped file 21->122 124 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->124 128 5 other signatures 21->128 28 voosiq.exe 21->28         started        32 powershell.exe 21->32         started        34 powershell.exe 21->34         started        41 4 other processes 21->41 102 pastebin.com 172.67.19.24, 443, 49706 CLOUDFLARENETUS United States 26->102 104 127.0.0.1 unknown unknown 26->104 106 2 other IPs or domains 26->106 76 C:\Users\user\...\BootstrapperV1.22.exe, PE32+ 26->76 dropped 126 Machine Learning detection for dropped file 26->126 36 BootstrapperV1.22.exe 26->36         started        39 conhost.exe 26->39         started        file9 signatures10 process11 dnsIp12 82 C:\Users\user\AppData\Local\...\TrojanXD.exe, PE32 28->82 dropped 84 C:\Users\user\AppData\Local\Temp\script.vbs, Unicode 28->84 dropped 142 Multi AV Scanner detection for dropped file 28->142 43 TrojanXD.exe 28->43         started        46 wscript.exe 28->46         started        144 Loading BitLocker PowerShell Module 32->144 48 conhost.exe 32->48         started        50 conhost.exe 34->50         started        94 edge-term4-fra4.roblox.com 128.116.44.3, 443, 49711 ROBLOX-PRODUCTIONUS United States 36->94 96 www.nodejs.org 104.20.23.46, 443, 49712 CLOUDFLARENETUS United States 36->96 86 \Device\ConDrv, ISO-8859 36->86 dropped 146 Machine Learning detection for dropped file 36->146 52 cmd.exe 36->52         started        54 conhost.exe 36->54         started        56 WerFault.exe 36->56         started        58 conhost.exe 41->58         started        60 2 other processes 41->60 file13 signatures14 process15 signatures16 130 Antivirus detection for dropped file 43->130 132 Multi AV Scanner detection for dropped file 43->132 134 Protects its processes via BreakOnTermination flag 43->134 140 3 other signatures 43->140 62 cmd.exe 43->62         started        136 Windows Scripting host queries suspicious COM object (likely to drop second stage) 46->136 138 Uses ipconfig to lookup or modify the Windows network settings 52->138 64 conhost.exe 52->64         started        66 ipconfig.exe 52->66         started        process17 process18 68 conhost.exe 62->68         started        70 reg.exe 62->70         started       
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-10-08 21:32:34 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution persistence ransomware rat trojan
Behaviour
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Sets desktop wallpaper using registry
Adds Run key to start application
Blocklisted process makes network request
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
127.0.0.1:1764
cash-hispanic.gl.at.ply.gg:1764
Unpacked files
SH256 hash:
7c4283f5e620b2506bcb273f947def4435d95e143ae3067a783fd3adc873a659
MD5 hash:
4b94b989b0fe7bec6311153b309dfe81
SHA1 hash:
bb50a4bb8a66f0105c5b74f32cd114c672010b22
Detections:
INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
SH256 hash:
5cb0406be361324ecaeaa54238d82b24dffdfff8ae35dd2a59301e83e71d9d79
MD5 hash:
b3a1a7ef45c3a920f515adc541ee75f4
SHA1 hash:
fa69e1c57709dfa076e792509e6c77d297e47664
Detections:
XWorm win_xworm_w0 INDICATOR_SUSPICIOUS_EXE_TelegramChatBot MALWARE_Win_XWorm win_xworm_simple_strings win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA win_xworm_bytestring MALWARE_Win_AsyncRAT
SH256 hash:
4960838a390adf1ea412850ca14f15ce7c201fa967c0089df97742ee517ed0fe
MD5 hash:
e91f3ec430934cf29cda88d9b730d893
SHA1 hash:
6453d1f200f568b7964861c683a4f519431a9468
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information


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

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (FORCE_INTEGRITY)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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