MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcbf5165fba5a595db4bb0a4fbdc9b33a56259f03a5c2f78430d544e370d8e78. 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 2 YARA 8 File information Comments

SHA256 hash: fcbf5165fba5a595db4bb0a4fbdc9b33a56259f03a5c2f78430d544e370d8e78
SHA3-384 hash: 5f00938138f42aa122c83de8a4cba16d9adaaeed9a897a358e5bcc2d8b4c01c1a8b19cd3abcc9566efcc65eeb2cefbad
SHA1 hash: 429bb63e0e4de38eb67ddfe8b69feed19e61f576
MD5 hash: 965861edf5394255c901e6dd0a44ccef
humanhash: bluebird-asparagus-hotel-neptune
File name:index.exe
Download: download sample
Signature njrat
File size:3'360'792 bytes
First seen:2025-07-02 21:20:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (430 x NirCmd, 392 x DCRat, 52 x RedLineStealer)
ssdeep 98304:FPAGluT3Rjy6OMABIYuYN47TXqGyJB3bwDqGp:pAbxyrM6IjYw7qGwBLw1
TLSH T11CF53302FAC684B2D46314B35BA92311A97D7D116FB58EDFA7C1091EDA360C0D732BE6
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon cdabae6fe6e7eaec (20 x Amadey, 9 x AurotunStealer, 8 x CoinMiner)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
82.147.84.124:1987

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
82.147.84.124:1987 https://threatfox.abuse.ch/ioc/1552720/
204.77.232.110:7771 https://threatfox.abuse.ch/ioc/1552809/

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
quarantine.7z
Verdict:
Malicious activity
Analysis date:
2025-07-02 21:00:59 UTC
Tags:
auto arkeistealer arch-exec amadey botnet stealer purehvnc netreactor rdp delphi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
Creating a file in the %temp% directory
Launching a service
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm autoit evasive fingerprint fingerprint installer keylogger microsoft_visual_cc overlay overlay packed sfx
Result
Threat name:
Amadey, LummaC Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to start a terminal service
Creates multiple autostart registry keys
Drops password protected ZIP file
Found API chain indicative of sandbox detection
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: PUA - NSudo Execution
Suricata IDS alerts for network traffic
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the nircmd tool (NirSoft)
Yara detected Amadey
Yara detected Amadeys Clipper DLL
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1727620 Sample: index.exe Startdate: 02/07/2025 Architecture: WINDOWS Score: 100 141 Suricata IDS alerts for network traffic 2->141 143 Found malware configuration 2->143 145 Antivirus detection for dropped file 2->145 147 18 other signatures 2->147 10 index.exe 6 2->10         started        13 4faC2KSH.exe 2->13         started        process3 file4 107 C:\Temper\wOB488py.exe, PE32 10->107 dropped 109 C:\Temper\4faC2KSH.exe, PE32 10->109 dropped 16 4faC2KSH.exe 10->16         started        161 Binary is likely a compiled AutoIt script file 13->161 19 o3aHJrjF.exe 13->19         started        21 9lOJy9IH.exe 13->21         started        23 cmd.exe 13->23         started        25 cmd.exe 13->25         started        signatures5 process6 signatures7 127 Multi AV Scanner detection for dropped file 16->127 129 Binary is likely a compiled AutoIt script file 16->129 131 Found API chain indicative of sandbox detection 16->131 27 9lOJy9IH.exe 4 16->27         started        31 o3aHJrjF.exe 15 16->31         started        33 cmd.exe 1 16->33         started        35 cmd.exe 1 16->35         started        37 cmd.exe 19->37         started        133 Contains functionality to start a terminal service 21->133 39 wOB488py.exe 23->39         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 schtasks.exe 25->45         started        process8 file9 111 C:\Users\user\AppData\Local\...\dumer.exe, PE32 27->111 dropped 151 Multi AV Scanner detection for dropped file 27->151 153 Contains functionality to start a terminal service 27->153 47 dumer.exe 3 58 27->47         started        113 C:\Users\user\AppData\Local\...\nircmd.exe, PE32+ 31->113 dropped 115 C:\Users\user\AppData\Local\...\cecho.exe, PE32 31->115 dropped 117 C:\Users\user\AppData\Local\...117SudoLG.exe, PE32+ 31->117 dropped 119 2 other malicious files 31->119 dropped 52 cmd.exe 1 31->52         started        155 Uses cmd line tools excessively to alter registry or file data 33->155 157 Uses schtasks.exe or at.exe to add and modify task schedules 33->157 159 Uses the nircmd tool (NirSoft) 33->159 54 wOB488py.exe 3 33->54         started        56 conhost.exe 33->56         started        64 2 other processes 35->64 58 nircmd.exe 37->58         started        60 nircmd.exe 37->60         started        66 3 other processes 37->66 62 Conhost.exe 39->62         started        signatures10 process11 dnsIp12 121 31.43.185.30, 49691, 49692, 49697 KRASNET-UADonetskaoblastPokrovskUA Ukraine 47->121 123 176.46.157.32, 49698, 49700, 49708 ESTPAKEE Iran (ISLAMIC Republic Of) 47->123 125 185.156.72.61, 80 ITDELUXE-ASRU Russian Federation 47->125 95 C:\Users\user\AppData\...\1d3876bad2.exe, PE32 47->95 dropped 97 C:\Users\user\AppData\Local\...\Bw5ZAOe.exe, PE32 47->97 dropped 99 C:\Users\user\AppData\...\78d8526c26.exe, PE32+ 47->99 dropped 105 23 other malicious files 47->105 dropped 135 Contains functionality to start a terminal service 47->135 137 Uses cmd line tools excessively to alter registry or file data 47->137 139 Creates multiple autostart registry keys 47->139 68 conhost.exe 52->68         started        70 reg.exe 52->70         started        72 cmd.exe 52->72         started        79 15 other processes 52->79 101 C:\Temper\o3aHJrjF.exe, PE32 54->101 dropped 103 C:\Temper\9lOJy9IH.exe, PE32 54->103 dropped 74 cmd.exe 58->74         started        77 Conhost.exe 60->77         started        file13 signatures14 process15 signatures16 81 Conhost.exe 68->81         started        83 Conhost.exe 70->83         started        85 tasklist.exe 72->85         started        149 Uses cmd line tools excessively to alter registry or file data 74->149 87 conhost.exe 74->87         started        89 nircmd.exe 74->89         started        91 chcp.com 74->91         started        93 3 other processes 74->93 process17
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-07-02 21:00:59 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:lumma family:njrat family:xworm botnet:30b25e botnet:test3 bootkit collection credential_access defense_evasion discovery execution persistence rat spyware stealer trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Modifies registry key
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
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
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Launches sc.exe
AutoIT Executable
Enumerates processes with tasklist
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
Writes to the Master Boot Record (MBR)
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads local data of messenger clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Contacts a large (1327) amount of remote hosts
Downloads MZ/PE file
Sets service image path in registry
Stops running service(s)
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Amadey
Amadey family
Detect Xworm Payload
Lumma Stealer, LummaC
Lumma family
Njrat family
Suspicious use of NtCreateUserProcessOtherParentProcess
Xworm
Xworm family
njRAT/Bladabindi
Malware Config
C2 Extraction:
http://31.43.185.30
kardan35.zapto.org:1987
https://rbmlh.xyz/lakd
https://ycvduc.xyz/trie
https://nbcsfar.xyz/tpxz
https://unurew.xyz/anhd
https://trsuv.xyz/gait
https://sqgzl.xyz/taoa
https://cexpxg.xyz/airq
https://urarfx.xyz/twox
https://liaxn.xyz/nbzh
66.63.187.164:8594
Dropper Extraction:
http://176.46.157.32/testmine/random.exe
Unpacked files
SH256 hash:
fcbf5165fba5a595db4bb0a4fbdc9b33a56259f03a5c2f78430d544e370d8e78
MD5 hash:
965861edf5394255c901e6dd0a44ccef
SHA1 hash:
429bb63e0e4de38eb67ddfe8b69feed19e61f576
SH256 hash:
10550102d78d2f3624fa649d6df9cb468f489abd76e8466007de4f251eda5153
MD5 hash:
e3e5db2e7dae0c0f517b88b3f9f33002
SHA1 hash:
c397f87934a04119f568573735887ee6c83f1c13
SH256 hash:
14910906ef53c124b210c1355a41a3e4154f7b1cc2468254b32e85097aa35032
MD5 hash:
150f30fc7d525f7241dd7d041e897606
SHA1 hash:
e564c78fa8302dd00662851f76d7ad9dd525bfe9
SH256 hash:
e14da7c76cb8054de380d955d2b3bae6429420b05110d12e049e4ccedb5ec873
MD5 hash:
0c3623ad62ff429226fffe03d2fd85bb
SHA1 hash:
bfcaa614efa8cd7bb1b604f36755e5afc8e7df3a
Detections:
AutoIT_Compiled
SH256 hash:
3272fb41f564a5c34d5847bbed2b60981de3c4bb573f796246cb609e647a9603
MD5 hash:
93cdd5d85f2a3e6d6052501a87ed5c11
SHA1 hash:
71572926feb35be689116f8d63727ea646a77a9c
Detections:
Amadey
SH256 hash:
bd1f4c1b3d7bb873accf04236da2848fb093c3457a3d1d4eb05986aeeebc420a
MD5 hash:
d23dbe0f8cbafb87033b9a7f01472ce3
SHA1 hash:
1c621b91969feead4e4531a93167d9d559030998
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:dcrat_
Author:Michelle Khalil
Description:This rule detects unpacked dcrat malware samples.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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 (HIGH_ENTROPY_VA)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

Comments